Hardware+Design V1.07

Smart Machine Smart Decision
B. SIM5320 GPIOs List
Table 45: SIM5320 GPIOs list
Name GPIO Index Default Function Alternate Function
PCM_DIN 0 GPIO Interrupt [LEVEL/LOW] PCM_DIN
STATUS_LED 1 Status led GPIO
PCM_SYNC 2 GPIO [IN] PCM_SYNC
PCM_CLK 3 GPIO [OUT/LOW] PCM_CLK
RF_SWITCH 4 RF Switch Enable/Disable RF subsystem
PCM_OUT 5 GPIO [OUT/LOW] PCM_OUT
KEYPAD_4 6 Keypad GPIO
KEYPAD_3 7 Keypad GPIO
KEYPAD_2 8 Keypad GPIO
KEYPAD_1 9 Keypad GPIO
KEYPAD_0 10 Keypad GPIO
KEYSENSE_N4 11 Keypad GPIO
KEYSENSE_N3 12 Keypad GPIO
KEYSENSE_N2 13 Keypad GPIO
KEYSENSE_N1 14 Keypad GPIO
KEYSENSE_N0 15 Keypad GPIO
UART1_CTS 33 CTS GPIO
UART1_ RTS 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[OUT/LOW] GPIO
GPIO43 43 Wake up module GPIO
GPIO44 44 GPIO[OUT/LOW] GPIO
C. Digital I/O Characteristics
Table 46: Digital I/O characteristics
2.6V Digital I/O 1.8V Digital I/O
Parameter Description
Min Typ Max Min Typ Max
Unit
V
IH
High-level
input voltage
1.69 2.6 2.9 1.26 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
2.15 2.6 2.6 1.35 1.8 1.8 V
SIM5320_Hardware Design_V1.07 2012-09-21
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