Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved.
H330S Hardware User Manual
Page 18 of 44
Pin #
Pin Name
I/O
Reset
Value
Idle
Value
Description
92
USB_TEST
—
USB TEST signal
I
2
C
28
I2C_SDA
I/O
PU
PU
I2C data signal line, Internal 1K pull-up
resistor
③
29
I2C_SCL
O
PU
PU
I2C clock signal line, Internal 1K pull-up
resistor.
UART1
35
UART1_RI
O
L
L
UART1 Ring Indicator
36
UART1_DSR
I
T
T
UART1 DTE Ready
37
UART1_DTR
O
H
H
UART1 DCE Ready
38
UART1_DCD
O
L
L
UART1 Carrier Detect
39
UART1_CTS
I
PU
PU
UART1 Clear To Send
40
UART1_RTS
O
L
L
UART1 Request To Send
41
UART1_TXD
O
PP
PP
UART1 Transmitted Data
42
UART1_RXD
I
PU
PU
UART1 Received Data
UART2
45
UART2_TXD
O
PP
PP
UART2 Transmitted Data
44
UART2_RXD
I
PU
PU
UART2 Received Data
ADC
50
ADC2
I
ADC2, input voltage range:0~1.2V
51
ADC1
I
ADC1, input voltage range:0~1.2V
EINT
56
WAKE_UP
I
PU
PU
Interrupt of external wake-up, active low.
57
EINT2
I
PU
PU
External interrupt, active low.
USB HSIC
90
HSIC_USB_DATA
HSIC USB data signal line
(not supported)
91
HSIC_USB_STRB
HSIC USB pulse signal line
(not supported)