w681308 Winbond Electronics Corp America, w681308 Datasheet - Page 34

• Manufacturer Part Number: w681308
• Description: Usb Audio Controller
• Manufacturer: Winbond Electronics Corp America

11.2
W681308 has 25 GPIO pins that are mainly used for keypad scanner, LCM controller, SPI, W2S, PCM interface, UART port,
JTAG interface and GPIO s.
NOTE: The pin func
LC
0x145E[3]
0x14A0[7]
0x14AB[5]
0x14B0[7]
Pin Number
Address
D_ENB (0x145E),
11
13
14
15
16
17
GPIO s
W2S_ENB
LCD_ENB
RDY_ENB
SPI_ENB
Pin Name
Name
tion
SCLK
SPI_ENB (0x14A0), RDY_ENB(0x14AB) and W2S_ENB(0x14B0).
SDO
LED
CSL
SDI
CS
for LED, CS, SCLK, SDI, SDO and CSL will act as different functions according to the setting of
GPIO 11
GPIO 10
GPIO 12
GPIO 3
GPIO 9
GPIO 8
GPIO
0
0
0
0
for LCD driver
(0x145E[B1])
(0x145E[B0])
(0x145E[B2])
0x145E[2:0]
LCD_CKN
LCD_CSN
GPIO 03
GPIO 11
GPIO 09
LCD_TX
Control
1
0
0
0
XXXX PRODUCT DESCRIPTION
34
SPI for LCD
SPI_CLK
Pull High
SPI_DO
SPI_CS
GPIO 3
GPIO 9
driver
1
1
0
0
Functions
Values
da
SPI_SDO
SPI_CLK
GPIO 12
SPI_SDI
SPI_CS
GPIO 3
SPI for
ta flash
0
1
0
0
ISD15000
SPI_SDO
SPI_RDY
SPI_CLK
GPIO 12
SPI_SDI
SPI_CS
0
1
1
0
W681308
Rev1.2
W2S_SDA
W2S_SCL
GPIO 11
GPIO 12
GPIO 3
GPIO 9
W2S
0
0
0
1