NL865H2 Hardware Design Guide
1VV0301616 Rev. 7
Page
15
of
67
2020-04-20
USB 1.1 (Debug Port)
20
USB_D+
I/O
USB differential Data (+)
19
USB_D-
I/O
USB differential Data (-)
18
VUSB
I
Power sense for the internal USB transceiver.
Compliant to VUSB
from USB V1.1
specification
(from 4.4 V to 5.5V)
SIM card interface
11
SIMVCC
-
External SIM signal
– Power supply for the SIM
1.8V
12
SIMRST
O
External SIM signal
– Reset
1.8V
13
SIMCLK
O
External SIM signal
– Clock
1.8V
14
SIMIO
I/O
External SIM signal
– Data I/O
1.8V
DIGITAL IO
48
GPIO_01
I/O
Configurable GPIO01
CMOS 1.8
Default is pull-down
47
GPIO_02
I/O
Configurable GPIO02
CMOS 1.8
Default is pull-down
46
GPIO_03
I/O
Configurable GPIO03
Alternate 1: I2C_SDA
CMOS 1.8
Default is pull-down
45
GPIO_04
I/O
Configurable GPIO04
Alternate 1: I2C_SCL
CMOS 1.8
Default is pull-down
33
GPIO_05
I/O
Configurable GPIO05
Alternate 1: I2C_SDA
CMOS 1.8
Default is pull-down
32
GPIO_06
I/O
Configurable GPIO06
Alternate 1: I2C_SCL
CMOS 1.8
Default is pull-down
31
GPIO_07
I/O
Configurable GPIO07
Alternate 1: I2C_SDA
CMOS 1.8
Default is pull-down
30
GPIO_08
I/O
Configurable GPIO08
Alternate 1: I2C_SCL
Alternate 2: STAT LED
CMOS 1.8
Default is pull-down
