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Table 3: SOM240_1 Connector Pinout (cont'd)
Connector
Row/ Pin
Number
A
B
C
D
38
MIO61
Reserved
MIO55
MIO54
39
MIO62
GND
MIO56
GND
40
MIO63
MIO58
MIO57
MIO64
41
GND
MIO59
GND
MIO65
42
MIO73
MIO60
MIO67
MIO66
43
MIO74
GND
MIO68
GND
44
MIO75
MIO70
MIO69
MIO76
45
GND
MIO71
Reserved
MIO77
46
GND
MIO72
GND
Reserved
47
GTR_DP1_M2C_P
GND
GTR_REFCLK0_C2M_P
GND
48
GTR_DP1_M2C_N
GND
GTR_REFCLK0_C2M_N
GND
49
GND
GTR_REFCLK1_C2M_P
GND
GTR_DP3_C2M_P
50
GND
GTR_REFCLK1_C2M_N
GND
GTR_DP3_C2M_N
51
GTR_REFCLK3_C2M_P
GND
GTR_DP3_M2C_P
GND
52
GTR_REFCLK3_C2M_N
GND
GTR_DP3_M2C_N
GND
53
GND
GTR_DP2_C2M_P
GND
GTR_REFCLK2_C2M_P
54
GND
GTR_DP2_C2M_N
GND
GTR_REFCLK2_C2M_N
55
GTR_DP0_C2M_P
GND
GTR_DP1_C2M_P
GND
56
GTR_DP0_C2M_N
GND
GTR_DP1_C2M_N
GND
57
GND
GTR_DP0_M2C_P
GND
GTR_DP2_M2C_P
58
GND
GTR_DP0_M2C_N
GND
GTR_DP2_M2C_N
59
VCC_SOM
GND
VCC_SOM
GND
60
VCC_SOM
VCC_SOM
VCC_SOM
VCC_SOM
SOM240_1 Signal Names and Descriptions
Table 4: SOM240_1 Signal Pins
Pin Number
Signal Name
Signal Description
Connector Row A
A1
VCC_BATT
PS BBRAM and real-time clock (RTC) supply voltage, requires external battery.
Connect to GND when battery is not used.
A2
GND
Ground
A3
HPA06_P
HPIO on bank 66
A4
HPA06_N
HPIO on bank 66
A5
GND
Ground
A6
HPA_CLK0_P
HPIO global clock pin on bank 66
A7
HPA_CLK0_N
HPIO global clock pin on bank 66
Chapter 2: Electrical Design Considerations
UG1091 (v1.0) April 20, 2021
Carrier Card Design for Kria SOM
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