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Contents

README

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CY8C4146AZI-S445

Infineon Cypress Semicon · Microcontrollers (MCU/MPU/SOC) · TQFP-64(10x10)

CY8C4146AZI-S445 from Infineon Cypress Semicon, in a TQFP-64(10x10). 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 P1.7 bidirectional GPIO that can be configured as CapSense, analog or digital; analog functions ctb0_oa1+, sar_ext_vref0 and sar_ext_vref1, digital alternates include SmartIo[2].io[7], tcpwm.line_compl[7]:1 and scb[2].spi_clk:1.
2 P2.0 bidirectional GPIO that can be configured as CapSense, analog or digital; analog function sarmux[0], digital alternates include SmartIo[0].io[0], tcpwm.line[4]:0, csd.comp, tcpwm.tr_in[4], scb[1].i2c_scl:1 and scb[1].spi_mosi:2.
3 P2.1 bidirectional GPIO that can be configured as CapSense, analog or digital; analog function sarmux[1], digital alternates include SmartIo[0].io[1], tcpwm.line_compl[4]:0, tcpwm.tr_in[5], scb[1].i2c_sda:1 and scb[1].spi_miso:2.
4 P2.2 bidirectional GPIO that can be configured as CapSense, analog or digital; analog function sarmux[2], digital alternates include SmartIo[0].io[2], tcpwm.line[5]:1 and scb[1].spi_clk:2.
5 P2.3 bidirectional GPIO that can be configured as CapSense, analog or digital; analog function sarmux[3], digital alternates include SmartIo[0].io[3], tcpwm.line_compl[5]:1 and scb[1].spi_select0:2.
6 P2.4 bidirectional GPIO that can be configured as CapSense, analog or digital; analog function sarmux[4], digital alternates include SmartIo[0].io[4], tcpwm.line[0]:1, scb[3].uart_rx:1 and scb[1].spi_select1:1.
7 P2.5 bidirectional GPIO that can be configured as CapSense, analog or digital; analog function sarmux[5], digital alternates include SmartIo[0].io[5], tcpwm.line_compl[0]:1, scb[3].uart_tx:1 and scb[1].spi_select2:1.
8 P2.6 bidirectional GPIO that can be configured as CapSense, analog or digital; analog function sarmux[6], digital alternates include SmartIo[0].io[6], tcpwm.line[1]:1, scb[3].uart_cts:1 and scb[1].spi_select3:1.
9 P2.7 bidirectional GPIO that can be configured as CapSense, analog or digital; analog function sarmux[7], digital alternates include SmartIo[0].io[7], tcpwm.line_compl[1]:1, scb[3].uart_rts:1, lpcomp.comp[0]:0 and scb[2].spi_mosi:1.
10 VSSD power_in Ground pin for the digital section.
11 NC unconnected No connection.
12 P6.0 bidirectional GPIO that can be configured as CapSense, analog or digital; digital alternates include tcpwm.line[4]:1, scb[3].uart_rx:0, can.can_tx_enb_n:0, scb[3].i2c_scl:1 and scb[3].spi_mosi:0.
13 P6.1 bidirectional GPIO that can be configured as CapSense, analog or digital; digital alternates include tcpwm.line_compl[4]:1, scb[3].uart_tx:0, can.can_rx:0, scb[3].i2c_sda:1 and scb[3].spi_miso:0.
14 P6.2 bidirectional GPIO that can be configured as CapSense, analog or digital; digital alternates include tcpwm.line[5]:0, scb[3].uart_cts:0, can.can_tx:0 and scb[3].spi_clk:0.
15 P6.4 bidirectional GPIO that can be configured as CapSense, analog or digital; digital alternates include tcpwm.line[6]:0, scb[4].i2c_scl and scb[3].spi_select1:0.
16 P6.5 bidirectional GPIO that can be configured as CapSense, analog or digital; digital alternates include tcpwm.line_compl[6]:0, scb[4].i2c_sda and scb[3].spi_select2:0.
17 VSSD power_in Ground pin for the digital section.
18 P3.0 bidirectional GPIO that can be configured as CapSense, analog or digital; digital alternates include SmartIo[1].io[0], tcpwm.line[0]:0, scb[1].uart_rx:1, scb[1].i2c_scl:2 and scb[1].spi_mosi:0.
19 P3.1 bidirectional GPIO that can be configured as CapSense, analog or digital; digital alternates include SmartIo[1].io[1], tcpwm.line_compl[0]:0, scb[1].uart_tx:1, scb[1].i2c_sda:2 and scb[1].spi_miso:0.
20 P3.2 bidirectional GPIO that can be configured as CapSense, analog or digital; digital alternates include SmartIo[1].io[2], tcpwm.line[1]:0, scb[1].uart_cts:1, cpuss.swd_data and scb[1].spi_clk:0.
21 P3.3 bidirectional GPIO that can be configured as CapSense, analog or digital; digital alternates include SmartIo[1].io[3], tcpwm.line_compl[1]:0, scb[1].uart_rts:1, cpuss.swd_clk and scb[1].spi_select0:0.
22 P3.4 bidirectional GPIO that can be configured as CapSense, analog or digital; digital alternates include SmartIo[1].io[4], tcpwm.line[2]:0, tcpwm.tr_in[6] and scb[1].spi_select1:0.
23 P3.5 bidirectional GPIO that can be configured as CapSense, analog or digital; digital alternates include SmartIo[1].io[5], tcpwm.line_compl[2]:0 and scb[1].spi_select2:0.
24 P3.6 bidirectional GPIO that can be configured as CapSense, analog or digital; digital alternates include SmartIo[1].io[6], tcpwm.line[3]:0, scb[4].spi_select3 and scb[1].spi_select3:0.
25 P3.7 bidirectional GPIO that can be configured as CapSense, analog or digital; digital alternates include SmartIo[1].io[7], tcpwm.line_compl[3]:0, lpcomp.comp[1]:1 and scb[2].spi_miso:1.
26 VDDD power_in Power supply for the digital section.
27 P4.0 bidirectional GPIO that can be configured as CapSense, analog or digital; analog function csd.vref_ext, digital alternates include scb[0].uart_rx:0, can.can_rx:1, scb[0].i2c_scl:1 and scb[0].spi_mosi:0.
28 P4.1 bidirectional GPIO that can be configured as CapSense, analog or digital; analog function csd.cshield, digital alternates include scb[0].uart_tx:0, can.can_tx:1, scb[0].i2c_sda:1 and scb[0].spi_miso:0.
29 P4.2 bidirectional GPIO that can be configured as CapSense, analog or digital; analog function csd.cmod, digital alternates include scb[0].uart_cts:0, can.can_tx_enb_n:1, lpcomp.comp[0]:1 and scb[0].spi_clk:0.
30 P4.3 bidirectional GPIO that can be configured as CapSense, analog or digital; analog function csd.csh_tank, digital alternates include scb[0].uart_rts:0, lpcomp.comp[1]:2 and scb[0].spi_select0:0.
31 P4.4 bidirectional GPIO that can be configured as CapSense, analog or digital; digital alternates include scb[4].uart_rx, scb[4].spi_mosi and scb[0].spi_select1:2.
32 P4.5 bidirectional GPIO that can be configured as CapSense, analog or digital; digital alternates include scb[4].uart_tx, scb[4].spi_miso and scb[0].spi_select2:2.
33 P4.6 bidirectional GPIO that can be configured as CapSense, analog or digital; digital alternates include scb[4].uart_cts, scb[4].spi_clk and scb[0].spi_select3:2.
34 P4.7 bidirectional GPIO that can be configured as CapSense, analog or digital; digital alternates include scb[4].uart_rts and scb[4].spi_select0.
35 P5.6 bidirectional GPIO that can be configured as CapSense, analog or digital; digital alternates include tcpwm.line[7]:0, scb[4].spi_select1 and scb[2].spi_select3:0.
36 P5.7 bidirectional GPIO that can be configured as CapSense, analog or digital; digital alternates include tcpwm.line_compl[7]:0 and scb[4].spi_select2.
37 P7.0 bidirectional GPIO that can be configured as CapSense, analog or digital; digital alternates include tcpwm.line[0]:2, scb[3].uart_rx:2, scb[3].i2c_scl:2 and scb[3].spi_mosi:1.
38 P7.1 bidirectional GPIO that can be configured as CapSense, analog or digital; digital alternates include tcpwm.line_compl[0]:2, scb[3].uart_tx:2, scb[3].i2c_sda:2 and scb[3].spi_miso:1.
39 P0.0 bidirectional GPIO that can be configured as CapSense, analog or digital; analog function lpcomp.in_p[0], digital alternates include tcpwm.tr_in[0], scb[2].uart_cts:0, scb[2].i2c_scl:0 and scb[0].spi_select1:0.
40 P0.1 bidirectional GPIO that can be configured as CapSense, analog or digital; analog function lpcomp.in_n[0], digital alternates include tcpwm.tr_in[1], scb[2].uart_rts:0, scb[2].i2c_sda:0 and scb[0].spi_select2:0.
41 P0.2 bidirectional GPIO that can be configured as CapSense, analog or digital; analog function lpcomp.in_p[1], digital alternate scb[0].spi_select3:0.
42 P0.3 bidirectional GPIO that can be configured as CapSense, analog or digital; analog function lpcomp.in_n[1], digital alternate scb[2].spi_select0:1.
43 P0.4 bidirectional GPIO that can be configured as CapSense, analog or digital; analog function wco.wco_in, digital alternates include scb[1].uart_rx:0, scb[2].uart_rx:0, scb[1].i2c_scl:0 and scb[1].spi_mosi:1.
44 P0.5 bidirectional GPIO that can be configured as CapSense, analog or digital; analog function wco.wco_out, digital alternates include scb[1].uart_tx:0, scb[2].uart_tx:0, scb[1].i2c_sda:0 and scb[1].spi_miso:1.
45 P0.6 bidirectional GPIO that can be configured as CapSense, analog or digital; analog function exco.eco_in, digital alternates include srss.ext_clk:0, scb[1].uart_cts:0, scb[2].uart_tx:1, and scb[1].spi_clk:1.
46 P0.7 bidirectional GPIO that can be configured as CapSense, analog or digital; analog function exco.eco_out, digital alternates include tcpwm.line[0]:3, scb[1].uart_rts:0 and scb[1].spi_select0:1.
47 XRES input External reset pin; this excerpt gives no electrical limits for it.
48 VCCD power_out Regulated digital supply, 1.8 V ±5%.
49 VSSD power_in Ground pin for the digital section.
50 VDDD power_in Power supply for the digital section.
51 P5.0 bidirectional GPIO that can be configured as CapSense, analog or digital; digital alternates include tcpwm.line[4]:2, scb[2].uart_rx:1, scb[2].i2c_scl:1 and scb[2].spi_mosi:0.
52 P5.1 bidirectional GPIO that can be configured as CapSense, analog or digital; digital alternates include tcpwm.line_compl[4]:2, scb[2].uart_tx:2, scb[2].i2c_sda:1 and scb[2].spi_miso:0.
53 P5.2 bidirectional GPIO that can be configured as CapSense, analog or digital; digital alternates include tcpwm.line[5]:2, scb[2].uart_cts:1, lpcomp.comp[0]:2 and scb[2].spi_clk:0.
54 P5.3 bidirectional GPIO that can be configured as CapSense, analog or digital; digital alternates include tcpwm.line_compl[5]:2, scb[2].uart_rts:1, lpcomp.comp[1]:0 and scb[2].spi_select0:0.
55 P5.5 bidirectional GPIO that can be configured as CapSense, analog or digital; digital alternates include tcpwm.line_compl[6]:2 and scb[2].spi_select2:0.
56 VDDA power_in Power supply for the analog section.
57 VSSA power_in Ground pin for the analog section.
58 P1.0 bidirectional GPIO that can be configured as CapSense, analog or digital; analog function ctb0_oa0+, digital alternates include SmartIo[2].io[0], tcpwm.line[2]:1, scb[0].uart_rx:1, scb[0].i2c_scl:0 and scb[0].spi_mosi:1.
59 P1.1 bidirectional GPIO that can be configured as CapSense, analog or digital; analog function ctb0_oa0-, digital alternates include SmartIo[2].io[1], tcpwm.line_compl[2]:1, scb[0].uart_tx:1, scb[0].i2c_sda:0 and scb[0].spi_miso:1.
60 P1.2 bidirectional GPIO that can be configured as CapSense, analog or digital; analog function ctb0_oa0_out, digital alternates include SmartIo[2].io[2], tcpwm.line[3]:1, scb[0].uart_cts:1, tcpwm.tr_in[2], scb[2].i2c_scl:2 and scb[0].spi_clk:1.
61 P1.3 bidirectional GPIO that can be configured as CapSense, analog or digital; analog function ctb0_oa1_out, digital alternates include SmartIo[2].io[3], tcpwm.line_compl[3]:1, scb[0].uart_rts:1, tcpwm.tr_in[3], scb[2].i2c_sda:2 and scb[0].spi_select0:1.
62 P1.4 bidirectional GPIO that can be configured as CapSense, analog or digital; analog function ctb0_oa1-, digital alternates include SmartIo[2].io[4], tcpwm.line[6]:1, scb[3].i2c_scl:0 and scb[0].spi_select1:1.
63 P1.5 bidirectional GPIO that can be configured as CapSense, analog or digital; analog function ctb0_oa1+, digital alternates include SmartIo[2].io[5], tcpwm.line_compl[6]:1, scb[3].i2c_sda:0 and scb[0].spi_select2:1.
64 P1.6 bidirectional GPIO that can be configured as CapSense, analog or digital; analog function ctb0_oa0+ as printed in the alternate function table, digital alternates include SmartIo[2].io[6], tcpwm.line[7]:1 and scb[0].spi_select3:1.

Key specifications

Parameter Value
Manufacturer Infineon Cypress Semicon
Package TQFP-64(10x10)
Category Embedded Processors & Controllers
Pins 64

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Digital supply relative to VSS (absolute maximum) VDDD_ABS -0.5 6 V 15
Direct digital core voltage input relative to VSS (absolute maximum) VCCD_ABS -0.5 1.95 V 15
GPIO voltage (absolute maximum) VGPIO_ABS -0.5 V 15
Maximum current per GPIO (absolute maximum) IGPIO_ABS -25 25 mA 15
GPIO injection current, max for VIH > VDDD, min for VIL < VSS (absolute maximum) IGPIO_injection -0.5 0.5 mA Current injected per pin 15
Electrostatic discharge human body model (ESD_HBM) ESD_HBM 2200 V 15
Electrostatic discharge charged device model (ESD_CDM) ESD_CDM 500 V 15
Pin current for latch-up (LU) LU -140 140 mA 15
Power supply input voltage, internally regulated supply VDD 1.8 5.5 V Internally regulated supply 15
Power supply input voltage (VCCD = VDDD = VDDA), internally unregulated supply VDD 1.71 1.89 V Internally unregulated supply 15
Execute from flash; CPU at 6 MHz (IDD5) IDD5 1.8 2.4 mA Active mode, VDD = 1.8 V to 5.5 V; typ at VDD 3.3 V and 25 °C 15
Execute from flash; CPU at 24 MHz (IDD8) IDD8 3 4.6 mA Active mode, VDD = 1.8 V to 5.5 V; typ at VDD 3.3 V and 25 °C 15
Execute from flash; CPU at 48 MHz (IDD11) IDD11 5.4 7.1 mA Active mode, VDD = 1.8 V to 5.5 V; typ at VDD 3.3 V and 25 °C 15
I2C wakeup, WDT, and Comparators on, 6 MHz (IDD17) IDD17 1.1 1.8 mA Sleep Mode, VDDD = 1.8 V to 5.5 V (Regulator on) 15
I2C wakeup, WDT, and Comparators on, 12 MHz (IDD20) IDD20 1.5 2.1 mA Sleep Mode, VDDD = 1.8 V to 5.5 V (Regulator on) 15
I2C wakeup, WDT, and Comparators on, 6 MHz (IDD23) IDD23 1.1 1.8 mA Sleep Mode, VDDD = 1.71 V to 1.89 V (Regulator bypassed) 16
I2C wakeup, WDT, and Comparators on, 12 MHz (IDD23A) IDD23A 1.5 2.1 mA Sleep Mode, VDDD = 1.71 V to 1.89 V (Regulator bypassed) 16
I2C wakeup and WDT on; T = -40 °C to 60 °C (IDD25) IDD25 2.5 40 µA Deep Sleep Mode, VDD = 1.8 V to 3.6 V (Regulator on); T = -40 °C to 60 °C 16
I2C wakeup and WDT on (IDD26) IDD26 2.5 125 µA Deep Sleep Mode, VDD = 1.8 V to 3.6 V (Regulator on); max is at 3.6 V and 85 °C 16
I2C wakeup and WDT on; T = -40 °C to 60 °C (IDD28) IDD28 2.5 40 µA Deep Sleep Mode, VDD = 3.6 V to 5.5 V (Regulator on); T = -40 °C to 60 °C 16
I2C wakeup and WDT on (IDD29) IDD29 2.5 125 µA Deep Sleep Mode, VDD = 3.6 V to 5.5 V (Regulator on); max is at 5.5 V and 85 °C 16
I2C wakeup and WDT on; T = -40 °C to 60 °C (IDD31) IDD31 2.5 60 µA Deep Sleep Mode, VDD = VCCD = 1.71 V to 1.89 V (Regulator bypassed); T = -40 °C to 60 °C 16
I2C wakeup and WDT on (IDD32) IDD32 2.5 180 µA Deep Sleep Mode, VDD = VCCD = 1.71 V to 1.89 V (Regulator bypassed); max is at 1.89 V and 85 °C 16
Supply current while XRES asserted (IDD_XR) IDD_XR 2 5 mA 16
CPU frequency (FCPU) FCPU 48 MHz 1.71 V ≤ VDD ≤ 5.5 V; minimum printed as DC 16
SWDCLK frequency (F_SWDCLK1) F_SWDCLK1 14 MHz 3.3 V ≤ VDD ≤ 5.5 V; SWDCLK ≤ 1/3 CPU clock frequency 30
SWDCLK frequency (F_SWDCLK2) F_SWDCLK2 7 MHz 1.71 V ≤ VDD ≤ 3.3 V; SWDCLK ≤ 1/3 CPU clock frequency 30
SWDO hold time (T_SWDO_HOLD) T_SWDO_HOLD 1 ns T = 1/f SWDCLK 30
IMO operating current at 48 MHz (IIMO1) IIMO1 250 µA 30
IMO operating current at 24 MHz (IIMO2) IIMO2 180 µA 30
Frequency variation at 24, 32, and 48 MHz (trimmed) (FIMOTOL1) FIMOTOL1 -2 2 % Trimmed 30
IMO startup time (TSTARTIMO) TSTARTIMO 7 µs 30
ILO operating current (IILO1) IILO1 0.3 1.05 µA Guaranteed by design 30
ILO startup time (TSTARTILO1) TSTARTILO1 2 ms 30
ILO duty cycle (TILODUTY) TILODUTY 40 50 60 % 30
ILO frequency range (FILOTRIM1) FILOTRIM1 20 40 80 kHz 30
Frequency tolerance (FTOL, WCO) FTOL 50 250 ppm With 20-ppm crystal 31
Drive level (PD, WCO) PD 1 µW 31
Startup time (TSTART, WCO) TSTART 500 ms 31
Crystal load capacitance (CL, WCO) CL 6 12.5 pF 31
Operating current, high power mode (IWCO1) IWCO1 8 uA 31
External clock input frequency (ExtClkFreq) ExtClkFreq 0 48 MHz 31
Duty cycle (ExtClkDuty) ExtClkDuty 45 55 % Measured at VDD/2 31
Row labelled 'External clock input frequency' in ECO table (IECO1) IECO1 1.5 mA 31
Crystal frequency range (FECO) FECO 4 33 MHz 31
PLL operating current, In = 3 MHz, Out = 48 MHz (IDD_PLL_48) IDD_PLL_48 530 610 uA In = 3 MHz, Out = 48 MHz 31
PLL input frequency (Fpllin) Fpllin 1 48 MHz 31
PLL intermediate frequency; prescaler out (Fpllint) Fpllint 1 3 MHz 31
VCO output frequency before post-divide (Fpllvco) Fpllvco 22.5 104 MHz 31
VCO output post-divider range (Divvco) Divvco 1 8 PLL output frequency is Fpplvco/Divvco 31
Lock time at startup (Plllocktime) Plllocktime 250 µs 31
Period jitter for VCO ≥ 67 MHz (Jperiod_1) Jperiod_1 150 ps Guaranteed by design 31
Period jitter for VCO ≤ 67 MHz (Jperiod_2) Jperiod_2 200 ps Guaranteed by design 31
System clock source switching time (TCLKSWITCH) TCLKSWITCH 3 4 Periods 31
Max delay added by Smart I/O in bypass mode (PRG_BYPASS) PRG_BYPASS 1.6 ns 32
Block current consumption (IDD_CAN) IDD_CAN 200 µA 32
Operating ambient temperature (TA), industrial grade TA -40 85 °C Industrial (I) suffix per ordering table; family Table 41 lists 105 °C 33
Operating junction temperature (TJ) TJ -40 125 °C 36
Package θJA, 64-pin TQFP (0.5-mm pitch) TJA 46 °C/Watt 64-pin TQFP (0.5-mm pitch) 36
Package θJC, 64-pin TQFP (0.5-mm pitch) TJC 10 °C/Watt 64-pin TQFP (0.5-mm pitch) 36

CAD (KiCad official)

  • Symbol: CY8C4146AZI-S445
  • Footprint: Package_QFP:TQFP-64_10x10mm_P0.5mm
  • 3D model: TQFP-64(10x10) (KiCad packages3D, STEP)
  • 3D model files: cy8c4146azi-s445-etched.step / cy8c4146azi-s445-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cy8c4146azi-s445.step / cy8c4146azi-s445.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Infineon Cypress Semicon datasheet (44 pp, sha256 dbd64085f5f9728a, retrieved 2026-10-19, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-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).

Datasheet PDF