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Interfaces 13

LEC-BTS

3.18 Debug (DB40)

Table 3-3 lists the pin signals of the CN1 connector, which provides 40 pins, 1 row, consecutive

sequence with 0.02" (0.50mm) pitch.

P138 SER2_RTS# S139 I2C_LCD_CK

P139 SER2_CTS# S140 I2C_LCD_DAT

P140 Not connected S141 LCD_BKLT_PWM

P141 Not connected S142 Not connected

P142 GND S143 GND

P143 Not connected S144 RSVD / EDP_HPD

P144 Not connected S145 WDT_TIME_OUT#

P145 Not connected S146 PCIE_WAKE#

P146 Not connected S147 VDD_RTC

P147 VDD_IN S148 LID#

P148 VDD_IN S149 SLEEP#

P149 VDD_IN S150 VIN_PWR_BAD#

P150 VDD_IN S151 CHARGING#

P151 VDD_IN S152 CHARGER_PRSNT#

P152 VDD_IN S153 CHARGER_STBY#

P153 VDD_IN S154 CARRIER_PWR_ON

P154 VDD_IN S155 FORCE_RECOV#

P155 VDD_IN S156 BATLOW#

P156 VDD_IN S157 TEST#

S158 GND

Table 3-3: Debug Interface Signals (CN1)

Pin # Signal

1 RESVD

2SMC_STATUS

3BIOS_MODE

4 SEL_BIOS

5POSTWDT_DIS#

6 SUS_S5#

7 SUS_S4#

8 SUS_S3#

9 CB_PWROK

10 CB_RESET#

11 SYS_RESET#

12 PWRBTN#

13 SMC_OCD0B

14 SMC_OCD0A

15 SMC_CLK

16 SMC_DATA

17 SMC_RESET_IN#

18 SMC_FLMD0

19 SMC_RXD6

20 SMC_TXD6

GND3

22 3V3_DUAL

23 3V3_SMC1

24 LPC_AD0

Table 3-2: SMARC P-S Connector (GF1) Signal Descriptions (Continued)

1 2 ... 12 13 14 15 16 17 18 19 20 21 22

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