User's Guide

Smart Machine Smart Decision
SIM7100A EVB user Guide 20.08.201413
FIGURE 11: IO Interface
Table 7: IO interface
Signal I/O Description
VREG_MSME O 1.8V power supply
GPIO41 I/O GPIO
KBC4 I Sensing key
KBC3 I Sensing key
KBC2 I Sensing key
KBC1 I Sensing key
KBC0 I Sensing key
GND Ground
GPIO44 I/O GPIO
GPIO43 I/O GPIO
KBR4 O Driving pad
KBR3
O Driving pad
KBR2 O Driving pad
KBR1 O Driving pad
KBR0 O Driving pad
GND Ground
GND Ground
RF_CFG2 I/O RF control
ADC1 I Analog Digital Converter Input
RF_CFG1 I/O RF control
GND Ground
RF_CFG3 I/O RF control
BOOT_CFG0 I Boot configure
GND Ground
CURRENT_SINK I Input current
SPI_CS_N O SPI Chip selection
SPI_MISO_DATA I SPI Master input Slave output
SPI_CLK O SPI clock