SSV Embedded Systems eSOM/3517, Hardware Reference Manual

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System-on-Module eSOM/3517 - Hardware Reference
B o a r d R e v i s i o n 1 . 0 / M a n u a l R e v i s i o n 1 . 1
9
3.3 2 x 100 Pin Connector – J1 (3. Part)
Pin Name Group Function
81 A20 EXPBUS Expansion Bus, Address Bit 20
82 A21 EXPBUS Expansion Bus, Address Bit 21
83 A22 EXPBUS Expansion Bus, Address Bit 22
84 A23 EXPBUS Expansion Bus, Address Bit 23
85 GND
PWR Ground
86 GND PWR Ground
87 VCC PWR 3.3 Volt Power Input
88 VCC PWR 3.3 Volt Power Input
89 CS1 EXPBUS Chip Select Output 1
90 CS3 EXPBUS Chip Select Output 3
91 CS2 EXPBUS Chip Select Output 2
92 CS4 EXPBUS Chip Select Output 4
93 VBAT PWR 3 Volt Real Time Clock Battery
94 --- --- Reserved. Do not use.
95 I2CSCL2 SIO I2C Interface 2 Serial Clock Line
96 RESOUT RESET Reset Output Signal
97 I2CSDA2 SIO I2C Interface 2 Serial Data Line
98 RESIN RESET Reset Input Signal
99 GND PWR Ground
100 GND PWR Ground
Table 4: Pinout 2 x 100 pin connector – pin 81 to 100