component
IS1870SF-202
Public Made by Adomby adom
MICROCHIP Global Sourcing Parts, QFN-48(6x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownIS1870SF-202
MICROCHIP · Global Sourcing Parts · QFN-48(6x6)
IS1870SF-202 from MICROCHIP, in a QFN-48(6x6). 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_0 | bidirectional | GPIO P1_0, also ADC input AD8 and TX_CLS1 class 1 RF Tx control. |
| 2 | P1_1 | bidirectional | GPIO P1_1, also ADC input AD9 and second SPI bus MISO2 (Central mode). |
| 3 | P1_2 | bidirectional | GPIO P1_2, also ADC input AD10 and I2C SCL. |
| 4 | P1_3 | bidirectional | GPIO P1_3, also ADC input AD11 and I2C SDA. |
| 5 | P1_4 | bidirectional | GPIO P1_4, also ADC input AD12 and event counter input. |
| 6 | P1_5 | bidirectional | GPIO P1_5, also ADC input AD13 and event counter input. |
| 7 | P1_7 | bidirectional | GPIO P1_7, also external 32.768 kHz crystal output XO32K. |
| 8 | P1_6 | bidirectional | GPIO P1_6, also external 32.768 kHz crystal input XI32K. |
| 9 | HCI_TXD | output | HCI UART transmit data output. |
| 10 | HCI_RXD | input | HCI UART receive data input. |
| 11 | P3_0 | bidirectional | GPIO P3_0. |
| 12 | P3_1 | bidirectional | GPIO P3_1, also SPI bus NCS and SPI Flash CSN. |
| 13 | P3_2 | bidirectional | GPIO P3_2, also SPI bus MISO and SPI Flash SDO. |
| 14 | P3_3 | bidirectional | GPIO P3_3, also SPI bus MOSI and SPI Flash SDI. |
| 15 | P3_4 | bidirectional | GPIO P3_4, also SPI bus SCLK and SPI Flash SCK. |
| 16 | P3_5 | bidirectional | GPIO P3_5, also LED1 output. |
| 17 | P3_6 | bidirectional | GPIO P3_6, also UART flow-control RTS and PWM0 output. |
| 18 | RST_N | input | External reset input. |
| 19 | P0_0 | bidirectional | GPIO P0_0, also ADC input AD0 and UART flow-control CTS. |
| 20 | P0_1 | bidirectional | GPIO P0_1, also ADC input AD1. |
| 21 | P0_2 | bidirectional | GPIO P0_2, also ADC input AD2 and LED0 output. |
| 22 | P0_3 | bidirectional | GPIO P0_3, also ADC input AD3. |
| 23 | P0_4 | bidirectional | GPIO P0_4, also ADC input AD4. |
| 24 | P0_5 | bidirectional | GPIO P0_5, also ADC input AD5. |
| 25 | P0_6 | bidirectional | GPIO P0_6, also ADC input AD6. |
| 26 | P0_7 | bidirectional | GPIO P0_7, also ADC input AD7. |
| 27 | BK_O | power_out | 1.55V buck regulator output; for internal use, do not connect to external devices. |
| 28 | BK_LX | power_out | 1.55V buck regulator switching node output; for internal use, do not connect to external devices. |
| 29 | BK_IN | power_in | Buck converter input; voltage range 1.9V to 3.6V. |
| 30 | VBAT | power_in | Battery input, voltage range 1.9V to 3.6V; connect to BK_IN and a 10 µF decoupling capacitor. |
| 31 | AVDD | power_in | Input supply for the LDOs CLDO, PALDO and RFLDO. |
| 32 | CLDO_O | power_out | 1.2V CLDO output for core-logic and memories supply; connect to 1 µF X5R/X7R capacitor. |
| 33 | ULPC_O | power_out | 1.2V programmable ULPC output for always-on logic and retention memory; for internal use, do not connect to external devices. |
| 34 | VREF | power_out | PMU band-gap reference voltage output for LDOs and buck; for internal use, do not connect to external devices. |
| 35 | XO_N | passive | Negative input of the 32 MHz crystal. |
| 36 | XO_P | passive | Positive input of the 32 MHz crystal. |
| 37 | VCC_RF | power_in | Power input for VCO and RF (1.28V); connect to 1 µF X5R/X7R capacitor. |
| 38 | Rx | input | RF receive path. |
| 39 | Tx | output | RF transmit path. |
| 40 | VCC_PA | power_in | Power supply for the power amplifier (1.55V); connect to 0.22 µF X5R/X7R capacitor. |
| 41 | P2_0 | bidirectional | Mode configuration pin: H selects application mode, L selects test mode. |
| 42 | P2_1 | bidirectional | GPIO P2_1, also PWM0 output. |
| 43 | P2_2 | bidirectional | GPIO P2_2, also PWM1 output. |
| 44 | P2_3 | bidirectional | GPIO P2_3, also PWM2 output. |
| 45 | P2_4 | bidirectional | GPIO P2_4, also TX_CLS1 class 1 RF Rx control. |
| 46 | P2_5 | bidirectional | GPIO P2_5, also ADC input AD15 and PWM3 output. |
| 47 | P2_6 | bidirectional | GPIO P2_6. |
| 48 | P2_7 | bidirectional | GPIO P2_7, also ADC input AD14 and SPI bus NCS2 for the second SPI bus (Central mode). |
| 49 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | MICROCHIP |
| Package | QFN-48(6x6) |
| Category | Global Sourcing Parts |
| Pins | 49 |
CAD (KiCad official)
- Symbol:
IS1870SF-202 - Footprint:
Package_DFN_QFN:QFN-48-1EP_6x6mm_P0.4mm_EP4.2x4.2mm - 3D model: QFN-48(6x6) (KiCad packages3D, STEP)
- 3D model files:
is1870sf-202-etched.step/is1870sf-202-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);is1870sf-202.step/is1870sf-202.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: MICROCHIP datasheet (42 pp, sha256
06362905836aefbf, retrieved 2026-11-02, 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).