Silicon Laboratories UDP C8051F370, User Manual

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C 8 0 5 1 F 3 9 x / F 3 7 x
Rev. 0.2 31
Table 5. UDP C8051F390/F370 MCU Card H3 Pin Descriptions
MCU Card
Pin
Description Description
1 GND
2 PWR_VDD_IN
3 PWR_VDD_IN
4 PWR_VDD_OUT
Programmable Supply from UDP to VDD
(when VDD select switch is set to UDP)
5 PWR_VDD_OUT
6 PWR_RADIO_IN
7 PWR_RADIO_IN
8 PWR_RADIO_OUT
9 PWR_RADIO_OUT
10 PWR_IO_IN
11 PWR_IO_IN
12 PWR_IO_OUT
13 PWR_IO_OUT
14 PWR_IO_BUS
15 PWR_IO_BUS
16 PWR_AUX_BUS
17 PWR_AUX_BUS
18 PWR_HV1_BUS
19 PWR_HV1_BUS
20 PWR_HV2_BUS
21 PWR_HV2_BUS
22 PWR_VPP_BULK
23 PWR_VPP_BULK
24 PWR_5.0_BULK
25 PWR_5.0_BULK
26 PWR_5.0_BULK
27 PWR_5.0_BULK
28 PWR_3.3_BULK
3.3 V power from the UDP mother
(Powers VDD2 when VDD select switch is set to UDP)
29 PWR_3.3_BULK
30 PWR_3.3_BULK
31 PWR_3.3_BULK
32 PWR_SYS_BULK
3.3 V power supply for EBID EEPROM
33 PWR_SYS_BULK
34 GND
35 EBID_SCK
36 EBID_MOSI
37 EBID_MISO