Data Sheet

ISM4343 Specification
DOC-DS-20074-5.3
Inventek Systems
Page 21
6.7 ISM4343-WBM-L54-U/C Pinout Description
Pin No.
Type
Pin Definition
Descriptions
1
G
GND
Ground
2
I
VDD
3.3V
3
G
GND
Ground
4
I/O
TMS
JTAG
5
I/O
TCK
JTAG
6
I/O
TDI
JTAG
7
I/O
TD0
JTAG
8
I/O
TDRSTN
JTAG
9
I/O
ADC 4 / SPI_MOSI
ADC Input Pins or SPI Interface.
These SPI pins are also connected internally to
the 2MB SPI Flash. Use SPI4 (pins 51, 52, 53,
54) for the AT Command SPI bus interface.
(Refer to SPI Section 6.3 for operation)
10
I/O
ADC 3 / SPI_MISO
11
I/O
ADC 2 / SPI_SCK
12
I/O
ADC 1 / SPI_SSN
13
I/O
ADC 0 (I)/ DATARDY (0)
14
I
VDD
3.3V
15
I
VBAT
3.3V
16
I
Wakeup
Host Wakeup
17
G
GND
Ground
18
I
DP
USB Data Plus
19
I/O
DM
USB Data Minus
20
G
GND
Ground
21
I/O
RX
UART Receive
22
I/O
TX
UART Transmit
23
I/O
GPIO 0
General Purpose Interface Pins
24
I/O
GPIO 1
25
I/O
GPIO 2
26
I/O
GPIO 3
27
I/O
GPIO 4
28
I
DNC
This pin is connected to Pin 47.
29
I
DNC
This pin is connected to Pin 49.
30
I/O
RES
GPIO, see section
31
I/O
RES
GPIO, see section