W681308DG Datasheet, PDF (9/64 Pages) Nuvotem Talema – W681308 USB Audio Controller from Nuvoton integrates fast 8051 Microcontroller Unit (MCU)

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