W681308
XXXX PRODUCT DESCRIPTION
4.
Pin Description
Please refer to Design Guide for product design details.
Driver
Pin
No
State in
Reset
Pin Name
Functionality
Pin Type
Strength
UARTT
/nTRST
/GPIO 14
UART TX data / JTAG TAP controller reset input
/GPIO 14
1
2
Pull-H
Pull-H
D
D
I/O
2 mA
UARTR
/TMS
UART Rx data / JTAG TMS input / GPIO 13
I/O
2 mA
/GPIO 13
DGND
XTALO
XTALI
3
4
Digital ground supply voltage
Crystal clock output
D
A
A
D
D
A
A
D
D
D
P
O
—
—
5
Crystal clock input
I
—
VDDL
6
Logic supply voltage
P
—
DVDD
7
Digital supply voltage
P
—
DN
8
USB D- connection
I/O
I/O
P
—
DP
9
USB D+ connection
—
DGND
10
11
12
Digital ground supply voltage
LED connection / GPIO 3
JTAG Clock with internal pull up / GPIO 0
—
LED/GPIO 3
TCK/GPIO 0
Pull-H
Pull-H
I/O
I/O
16 mA
16 mA
Chip select (used for SPI flash or normal SPI) /GPIO
11
CS/GPIO 11
13
14
Pull-H
Pull-L
D
D
I/O
I/O
2 mA
2 mA
Serial port bit clock ( For SPI flash or normal SPI)
/GPIO 10
SCLK/GPIO 10
SDI/GPIO 9
SDO/GPIO 8
CSL/GPIO 12
FS/GPIO 7
15
16
17
18
19
20
21
22
Pull-L
Pull-H
Pull-H
Pull-L
Pull-L
Pull-L
Pull-L
Pull-H
Serial port data in (SPI flash/ SPI) /GPIO 9
Serial port data out (SPI flash/ SPI) /GPIO 8
LCD, LCM chip select /GPIO 12
D
D
D
D
D
D
D
D
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
2 mA
2 mA
2 mA
2 mA
2 mA
2 mA
2 mA
2 mA
PCM Frame Sync output /GPIO 7
PCM Bit Clock output or input / GPIO 6
Serial PCM Receive data input / GPIO 4
Serial PCM Transmit data output / GPIO 5
JTAG Data Input / GPIO 1
BCLK/GPIO 6
PCMR/GPIO 4
PCMT/GPIO 5
TDI/GPIO 1
9
Rev1.2
NUVOTEM TALEMA [ NUVOTEM TALEMA ]
