component
CY8C5667AXI-LP040
Public Made by Adomby adom
Cypress Semicon Pre-ordered Products, LQFP-100(14x14). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
Generated by kicad-footprint-generator · KiCad file format 20260206
CY8C5667AXI-LP040
Cypress Semicon · Pre-ordered Products · LQFP-100(14x14)
CY8C5667AXI-LP040 from Cypress Semicon, in a LQFP-100(14x14). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | P2[5] | bidirectional | General-purpose I/O on the VDDIO2 supply, also usable as Cortex-M3 TRACEDATA[1] output. |
| 2 | P2[6] | bidirectional | General-purpose I/O on the VDDIO2 supply, also usable as Cortex-M3 TRACEDATA[2] output. |
| 3 | P2[7] | bidirectional | General-purpose I/O on the VDDIO2 supply, also usable as Cortex-M3 TRACEDATA[3] output. |
| 4 | P12[4] | bidirectional | SIO pin used for I2C0 SCL, which provides wake from sleep on an address match; SIO has programmable high threshold and up to 25 mA current sink. |
| 5 | P12[5] | bidirectional | SIO pin used for I2C0 SDA, which provides wake from sleep on an address match; SIO has programmable high threshold and up to 25 mA current sink. |
| 6 | P6[4] | bidirectional | General-purpose I/O on the VDDIO2 supply; pin P6[4] is also the delta-sigma ADC input route noted in the analog globals section. |
| 7 | P6[5] | bidirectional | General-purpose I/O on the VDDIO2 supply with analog, CapSense and LCD drive capability. |
| 8 | P6[6] | bidirectional | General-purpose I/O on the VDDIO2 supply with analog, CapSense and LCD drive capability. |
| 9 | P6[7] | bidirectional | General-purpose I/O on the VDDIO2 supply with analog, CapSense and LCD drive capability. |
| 10 | VSSB | power_in | Ground connection for the boost pump. |
| 11 | IND | passive | Inductor connection to the boost pump. |
| 12 | VBOOST | power_in | Power sense connection to the boost pump; the boost output is available on this pin. |
| 13 | VBAT | power_in | Battery supply to the boost pump; the boost converter can operate from supply voltages as low as 0.5 V. |
| 14 | VSSD | power_in | Ground for all digital logic and I/O pins. |
| 15 | XRES | input | External reset pin, active low with internal pull-up. |
| 16 | P5[0] | bidirectional | General-purpose I/O on the VDDIO1 supply with analog, CapSense and LCD drive capability. |
| 17 | P5[1] | bidirectional | General-purpose I/O on the VDDIO1 supply with analog, CapSense and LCD drive capability. |
| 18 | P5[2] | bidirectional | General-purpose I/O on the VDDIO1 supply with analog, CapSense and LCD drive capability. |
| 19 | P5[3] | bidirectional | General-purpose I/O on the VDDIO1 supply with analog, CapSense and LCD drive capability. |
| 20 | P1[0] | bidirectional | JTAG TMS / Serial Wire Debug SWDIO programming and debug port connection; also a GPIO. |
| 21 | P1[1] | input | JTAG TCK / Serial Wire Debug SWDCK programming and debug clock connection; also a GPIO. |
| 22 | P1[2] | bidirectional | General-purpose I/O on the VDDIO1 supply. |
| 23 | P1[3] | output | JTAG TDO / Single Wire Viewer SWV output for programming and debug; also a GPIO. |
| 24 | P1[4] | input | JTAG Test Data In programming and debug port connection; also a GPIO. |
| 25 | P1[5] | input | Optional JTAG Test Reset programming and debug port connection; also a GPIO. |
| 26 | VDDIO1 | power_in | Supply for the VDDIO1 I/O pins; must be 1.71 V to 5.5 V and less than or equal to VDDA. |
| 27 | P1[6] | bidirectional | General-purpose I/O on the VDDIO1 supply. |
| 28 | P1[7] | bidirectional | General-purpose I/O on the VDDIO1 supply. |
| 29 | P12[6] | bidirectional | SIO pin on the VDDIO1 domain with programmable input threshold, comparator capability, and high-impedance when unpowered. |
| 30 | P12[7] | bidirectional | SIO pin on the VDDIO1 domain with programmable input threshold, comparator capability, and high-impedance when unpowered. |
| 31 | P5[4] | bidirectional | General-purpose I/O on the VDDIO1 supply with analog, CapSense and LCD drive capability. |
| 32 | P5[5] | bidirectional | General-purpose I/O on the VDDIO1 supply with analog, CapSense and LCD drive capability. |
| 33 | P5[6] | bidirectional | General-purpose I/O on the VDDIO1 supply with analog, CapSense and LCD drive capability. |
| 34 | P5[7] | bidirectional | General-purpose I/O on the VDDIO1 supply with analog, CapSense and LCD drive capability. |
| 35 | P15[6] | bidirectional | Provides D+ connection directly to a USB 2.0 bus; may be used as digital I/O powered from VDDD instead of VDDIO. |
| 36 | P15[7] | bidirectional | Provides D- connection directly to a USB 2.0 bus; may be used as digital I/O powered from VDDD instead of VDDIO. |
| 37 | VDDD | power_in | Supply for all digital peripherals and the digital core regulator; must be less than or equal to VDDA. |
| 38 | VSSD | power_in | Ground for all digital logic and I/O pins. |
| 39 | VCCD | passive | Output of the digital core regulator or input to the digital core; must be shorted to the other VCCD pin with a 1 µF capacitor to VSSD. |
| 40 | NC | unconnected | Not connected per the 100-pin TQFP pinout. |
| 41 | NC | unconnected | Not connected per the 100-pin TQFP pinout. |
| 42 | P15[0] | passive | 4 to 25 MHz crystal oscillator pin (XO); also a GPIO. |
| 43 | P15[1] | passive | 4 to 25 MHz crystal oscillator pin (XI); also a GPIO. |
| 44 | P3[0] | output | Low resistance output pin for high current DAC (IDAC1); also a GPIO. |
| 45 | P3[1] | output | Low resistance output pin for high current DAC (IDAC3); also a GPIO. |
| 46 | P3[2] | input | Inverting input to uncommitted opamp 3 and external reference 1 input to the analog system; also a GPIO. |
| 47 | P3[3] | input | Noninverting input to uncommitted opamp 3; also a GPIO. |
| 48 | P3[4] | input | Inverting input to uncommitted opamp 1; also a GPIO. |
| 49 | P3[5] | input | Noninverting input to uncommitted opamp 1; also a GPIO. |
| 50 | VDDIO3 | power_in | Supply for the VDDIO3 I/O pins; must be 1.71 V to 5.5 V and less than or equal to VDDA. |
| 51 | P3[6] | output | High current output of uncommitted opamp 1; also a GPIO. |
| 52 | P3[7] | output | High current output of uncommitted opamp 3; also a GPIO. |
| 53 | P12[0] | bidirectional | SIO pin used for I2C1 SCL, which provides wake from sleep on an address match. |
| 54 | P12[1] | bidirectional | SIO pin used for I2C1 SDA, which provides wake from sleep on an address match. |
| 55 | P15[2] | passive | 32.768-kHz crystal oscillator pin (XO); also a GPIO. |
| 56 | P15[3] | passive | 32.768-kHz crystal oscillator pin (XI); also a GPIO. |
| 57 | NC | unconnected | Not connected per the 100-pin TQFP pinout. |
| 58 | NC | unconnected | Not connected per the 100-pin TQFP pinout. |
| 59 | NC | unconnected | Not connected per the 100-pin TQFP pinout. |
| 60 | NC | unconnected | Not connected per the 100-pin TQFP pinout. |
| 61 | NC | unconnected | Not connected per the 100-pin TQFP pinout. |
| 62 | NC | unconnected | Not connected per the 100-pin TQFP pinout. |
| 63 | VCCA | power_in | Output of the analog core regulator or input to the analog core; requires a 1 µF capacitor to VSSA and is not designed to drive external circuits. |
| 64 | VSSA | power_in | Ground for all analog peripherals. |
| 65 | VDDA | power_in | Supply for all analog peripherals and the analog core regulator; must be the highest voltage present on the device. |
| 66 | VSSD | power_in | Ground for all digital logic and I/O pins. |
| 67 | P12[2] (SIO) | bidirectional | SIO pin on the VDDIO0 domain with programmable input threshold, comparator capability, and high-impedance when unpowered. |
| 68 | P12[3] (SIO) | bidirectional | SIO pin on the VDDIO0 domain with programmable input threshold, comparator capability, and high-impedance when unpowered. |
| 69 | P4[0] | bidirectional | General-purpose I/O on the VDDIO0 supply with analog, CapSense and LCD drive capability. |
| 70 | P4[1] | bidirectional | General-purpose I/O on the VDDIO0 supply with analog, CapSense and LCD drive capability. |
| 71 | P0[0] | output | High current output of uncommitted opamp 2; also a GPIO on the VDDIO0 supply. |
| 72 | P0[1] | output | High current output of uncommitted opamp 0; also a GPIO on the VDDIO0 supply. |
| 73 | P0[2] | input | Noninverting input to uncommitted opamp 0 and external reference for SAR1 ADC; also a GPIO. |
| 74 | P0[3] | input | Inverting input to uncommitted opamp 0 and external reference 0 input; also a GPIO. |
| 75 | VDDIO0 | power_in | Supply for the VDDIO0 I/O pins; must be 1.71 V to 5.5 V and less than or equal to VDDA. |
| 76 | P0[4] | input | Noninverting input to uncommitted opamp 2 and external reference for SAR0 ADC; also a GPIO. |
| 77 | P0[5] | input | Inverting input to uncommitted opamp 2; also a GPIO. |
| 78 | P0[6] | output | Low resistance output pin for high current DAC (IDAC0); also a GPIO. |
| 79 | P0[7] | output | Low resistance output pin for high current DAC (IDAC2); also a GPIO. |
| 80 | P4[2] | bidirectional | General-purpose I/O on the VDDIO0 supply with analog, CapSense and LCD drive capability. |
| 81 | P4[3] | bidirectional | General-purpose I/O on the VDDIO0 supply with analog, CapSense and LCD drive capability. |
| 82 | P4[4] | bidirectional | General-purpose I/O on the VDDIO0 supply with analog, CapSense and LCD drive capability. |
| 83 | P4[5] | bidirectional | General-purpose I/O on the VDDIO0 supply with analog, CapSense and LCD drive capability. |
| 84 | P4[6] | bidirectional | General-purpose I/O on the VDDIO0 supply with analog, CapSense and LCD drive capability. |
| 85 | P4[7] | bidirectional | General-purpose I/O on the VDDIO0 supply with analog, CapSense and LCD drive capability. |
| 86 | VCCD | passive | Output of the digital core regulator or input to the digital core; must be shorted to pin 39 with a 1 µF capacitor to VSSD. |
| 87 | VSSD | power_in | Ground for all digital logic and I/O pins. |
| 88 | VDDD | power_in | Supply for all digital peripherals and the digital core regulator; must be less than or equal to VDDA. |
| 89 | P6[0] | bidirectional | General-purpose I/O on the VDDIO2 supply with analog, CapSense and LCD drive capability. |
| 90 | P6[1] | bidirectional | General-purpose I/O on the VDDIO2 supply with analog, CapSense and LCD drive capability. |
| 91 | P6[2] | bidirectional | General-purpose I/O on the VDDIO2 supply with analog, CapSense and LCD drive capability. |
| 92 | P6[3] | bidirectional | General-purpose I/O on the VDDIO2 supply with analog, CapSense and LCD drive capability. |
| 93 | P15[4] | bidirectional | General-purpose I/O on the VDDIO2 supply with analog, CapSense and LCD drive capability. |
| 94 | P15[5] | bidirectional | General-purpose I/O on the VDDIO2 supply with analog, CapSense and LCD drive capability. |
| 95 | P2[0] | bidirectional | General-purpose I/O on the VDDIO2 supply with analog, CapSense and LCD drive capability. |
| 96 | P2[1] | bidirectional | General-purpose I/O on the VDDIO2 supply with analog, CapSense and LCD drive capability. |
| 97 | P2[2] | bidirectional | General-purpose I/O on the VDDIO2 supply with analog, CapSense and LCD drive capability. |
| 98 | P2[3] | bidirectional | General-purpose I/O on the VDDIO2 supply; also Cortex-M3 TRACECLK output clocking the TRACEDATA pins. |
| 99 | P2[4] | bidirectional | General-purpose I/O on the VDDIO2 supply; also Cortex-M3 TRACEPORT TRACEDATA[0] output. |
| 100 | VDDIO2 | power_in | Supply for the VDDIO2 I/O pins; must be 1.71 V to 5.5 V and less than or equal to VDDA. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Cypress Semicon |
| Package | LQFP-100(14x14) |
| Category | Electronic Tools/Instruments/Consumables |
| Pins | 100 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Analog supply voltage relative to VSSA | VDDA | -0.5 | 6 | V | 68 | ||
| Digital supply voltage relative to VSSD | VDDD | -0.5 | 6 | V | 68 | ||
| I/O supply voltage relative to VSSD | VDDIO | -0.5 | 6 | V | 68 | ||
| Direct analog core voltage input | VCCA | -0.5 | 1.95 | V | 68 | ||
| Direct digital core voltage input | VCCD | -0.5 | 1.95 | V | 68 | ||
| DC input voltage on SIO | VSIO | 7 | V | Output disabled | 68 | ||
| DC input voltage on SIO | VSIO | 6 | V | Output enabled | 68 | ||
| Voltage at boost converter input | VIND | 0.5 | 5.5 | V | 68 | ||
| Boost converter supply | VBAT | 5.5 | V | 68 | |||
| Current per VDDIO supply pin | IVDDIO | 100 | mA | 68 | |||
| GPIO current | IGPIO | -30 | 41 | mA | 68 | ||
| SIO current | ISIO | -49 | 28 | mA | 68 | ||
| USBIO current | IUSBIO | -56 | 59 | mA | 68 | ||
| Latch up current | LU | -100 | 100 | mA | 68 | ||
| Electrostatic discharge voltage | ESDHBM | 1000 | V | Human Body Model | 68 | ||
| Electrostatic discharge voltage | ESDCDM | 500 | V | Charge Device Model | 68 | ||
| Maximum storage temperature | 150 | °C | JEDEC JESD22-A103 high temperature storage life (stated in Table 11-1 note 14) | 68 | |||
| Analog supply voltage and input to analog core regulator | VDDA | 1.8 | 5.5 | V | Analog core regulator enabled | 69 | |
| Analog supply voltage, analog regulator bypassed | VDDA | 1.71 | 1.8 | 1.89 | V | Analog core regulator disabled | 69 |
| Digital supply voltage relative to VSSD | VDDD | 1.8 | V | Digital core regulator enabled | 69 | ||
| Digital supply voltage, digital regulator bypassed | VDDD | 1.71 | 1.8 | 1.89 | V | Digital core regulator disabled | 69 |
| I/O supply voltage relative to VSSIO | VDDIO | 1.71 | V | 69 | |||
| Direct analog core voltage input (Analog regulator bypass) | VCCA | 1.71 | 1.8 | 1.89 | V | Analog core regulator disabled | 69 |
| Direct digital core voltage input (Digital regulator bypass) | VCCD | 1.71 | 1.8 | 1.89 | V | Digital core regulator disabled | 69 |
| Ambient temperature specification range | TA | -40 | 105 | °C | Specifications valid range (general note to Section 11) | 69 | |
| Junction temperature specification limit | TJ | 120 | °C | Specifications valid range (general note to Section 11) | 69 | ||
| Active mode current, sum of IDDD + IDDA | IDD | 2 | 3.8 | mA | T = 105 °C; VDDX = 2.7 V to 5.5 V; FCPU = 3 MHz | 69 | |
| Active mode current, sum of IDDD + IDDA | IDD | 3.2 | 5 | mA | T = 105 °C; VDDX = 2.7 V to 5.5 V; FCPU = 6 MHz | 69 | |
| Active mode current, sum of IDDD + IDDA | IDD | 5.6 | 7 | mA | T = 105 °C; VDDX = 2.7 V to 5.5 V; FCPU = 12 MHz | 69 | |
| Active mode current, sum of IDDD + IDDA | IDD | 9.1 | 10.5 | mA | T = 105 °C; VDDX = 2.7 V to 5.5 V; FCPU = 24 MHz | 69 | |
| Active mode current, sum of IDDD + IDDA | IDD | 15.7 | 17.25 | mA | T = 105 °C; VDDX = 2.7 V to 5.5 V; FCPU = 48 MHz | 69 | |
| Active mode current, sum of IDDD + IDDA | IDD | 19 | 21 | mA | T = 105 °C; VDDX = 2.7 V to 5.5 V; FCPU = 62 MHz | 69 | |
| Active mode current, sum of IDDD + IDDA | IDD | 27 | 30 | mA | T = 105 °C; VDDX = 2.7 V to 5.5 V; FCPU = 74 MHz | 69 | |
| Active mode current, sum of IDDD + IDDA | IDD | 22.5 | 25.5 | mA | T = 105 °C; VDDX = 2.7 V to 5.5 V; FCPU = 80 MHz, IMO = 3 MHz with PLL | 69 | |
| Input voltage | VDDD | 1.8 | 5.5 | V | 73 | ||
| Regulator output capacitor | 0.9 | 1 | 1.1 | µF | ±10%, X5R ceramic or better | 73 | |
| Boost output voltage | VOUT | 1.71 | 1.8 | 1.89 | V | vsel = 1.8 V in register BOOST_CR0 | 74 |
| Boost output voltage | VOUT | 1.81 | 1.9 | 2 | V | vsel = 1.9 V in register BOOST_CR0 | 74 |
| Boost output voltage | VOUT | 1.9 | 2 | 2.1 | V | vsel = 2.0 V in register BOOST_CR0 | 74 |
| Boost output voltage | VOUT | 2.16 | 2.4 | 2.64 | V | vsel = 2.4 V in register BOOST_CR0 | 74 |
| Boost output voltage | VOUT | 2.43 | 2.7 | 2.97 | V | vsel = 2.7 V in register BOOST_CR0 | 74 |
| Boost output voltage | VOUT | 2.7 | 3 | 3.3 | V | vsel = 3.0 V in register BOOST_CR0 | 74 |
| Boost output voltage | VOUT | 2.97 | 3.3 | 3.63 | V | vsel = 3.3 V in register BOOST_CR0 | 74 |
| Boost output voltage | VOUT | 3.24 | 3.6 | 3.96 | V | vsel = 3.6 V in register BOOST_CR0 | 74 |
| Boost output voltage | VOUT | 4.5 | 5 | 5.5 | V | vsel = 5.0 V in register BOOST_CR0 | 74 |
| Inductor peak current | ILPK | 700 | mA | 74 | |||
| Load regulation | RegLOAD | 10 | % | 74 | |||
| Line regulation | RegLINE | 10 | % | 74 | |||
| Boost inductor | LBOOST | 3.7 | 4.7 | 5.7 | µH | 4.7 µH nominal | 75 |
| Boost inductor | LBOOST | 8 | 10 | 12 | µH | 10 µH nominal | 75 |
| Boost inductor | LBOOST | 17 | 22 | 27 | µH | 22 µH nominal | 75 |
| Total capacitance sum of VDDD, VDDA, VDDIO | CBOOST | 17 | 26 | 31 | µF | 75 | |
| Battery filter capacitor | CBAT | 17 | 22 | 27 | µF | 75 | |
| Schottky diode average forward current | IF | 1 | A | 75 | |||
| Schottky reverse voltage | VR | 20 | V | 75 | |||
| Pull up resistor | Rpullup | 3.5 | 5.6 | 8.5 | kΩ | 84 | |
| Current through protection diode to VDDIO and VSSIO | Idiode | 100 | µA | 84 | |||
| Reset pulse width | TRESET | 1 | µs | 84 |
Materials and finish
As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | gold | lead-free products. Lead (Pb) is an alloying element in solders that has resulted in environmental concerns due to potential toxicity. Cypress uses nickel-palladium-gold (NiPdAu) technology for the ma | 122 |
CAD (KiCad official)
- Symbol:
CY8C5667AXI-LP040 - Footprint:
Package_QFP:LQFP-100_14x14mm_P0.5mm - 3D model: LQFP-100(14x14) (KiCad packages3D, STEP)
- 3D model files:
cy8c5667axi-lp040-etched.step/cy8c5667axi-lp040-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);cy8c5667axi-lp040.step/cy8c5667axi-lp040.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Cypress Semicon datasheet (133 pp, sha256
dcde538e135701d3, retrieved 2026-10-31, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-sonnet-5-5(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).