User's Manual

Smart Machine Smart Decision
SIM5320_Hardware Design_V1.01 2011-11-10
53
B. SIM5320AD GPIOs List
Table 34: SIM5320AD GPIOs list
Name GPIO Index Default Function Alternate Function
STATUS_LED 1 Status led GPIO
RF_SWITCH 4 RF Switch Enable/Disable RF subsystem
GPIO6 6 Keypad GPIO
GPIO7 7 Keypad GPIO
GPIO8 8 Keypad GPIO
GPIO9 9 Keypad GPIO
GPIO10 10 Keypad GPIO
GPIO11 11 Keypad GPIO
GPIO12 12 Keypad GPIO
GPIO13 13 Keypad GPIO
GPIO14 14 Keypad GPIO
GPIO15 15 Keypad GPIO
UART1_CTS 33 CTS GPIO
UART1_RFR 34 RTS GPIO
UART1_DTR 35 DTR wake up module GPIO
UART_DCD 36 DCD GPIO
UART_RI 37 RI wake up host GPIO
GPIO40 40 Module power up status GPIO
GPIO41 41 Wake up host GPIO
GPIO42 42 GPIO GPIO
GPIO43 43 Wake up module GPIO
GPIO44 44 GPIO GPIO
C. Digital I/O Characteristics
Table 35: Digital I/O characteristics
2.6V Mode 1.8V Mode
Parameter Description
Min Typ Max Min Typ Max
Unit
V
IH
High-level
input voltage
1.69 2.6 2.9 1.17 1.8 2.1 V
V
IL
Low-level
input voltage
-0.3 0 0.91 -0.3 0 0.63 V
V
OH
High-level
output voltage
1.17 2.6 2.6 0.81 1.8 1.8 V
V
OL
Low-level
output voltage
0 0 0.45 0 0 0.45 V