w681308 Winbond Electronics Corp America, w681308 Datasheet - Page 13

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

7.
The registers are mapped by function.
7.1
7.2
7.3
0x1440
0x1441
0x1442
0x1443
0x144A~
0x144B
0x144C~
0x144F
0x1450~
0x1453
0x1454~
0x1457
0x1458~
0x145B
0x145E
0x145F
Address
Address
Address
Registers
MCU Clock Rate Select Register
Interrupt Control Registers
Keypad IO, LCD, UART and GPIO Control Registers
MCU Rate Select
Interrupt Source
Interrupt Enable
Interrupt Priority
GPIO [14:0] Pull
Up/Down Control
Keypad I/O (GPIO
[24:15]) and GPIO
[14:0] Pull Up/Down
Selection
Keypad I/O(GPIO
[24:15]) and GPIO
[14:0] Status
Keypad I/O(GPIO
[24:15]) and GPIO
[14:0 Direction Control
Keypad I/O(GPIO
[24:15]) and GPIO
[14:0] Interrupt control
LCD Control
UART I/O Control
Name
Name
Name
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Mode
Mode
Mode
Value At
Value At
Value At
Reset
Reset
Reset
XXXX PRODUCT DESCRIPTION
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
13
MCU system clock rate selection
Enable / Disable Interrupt source
Enable / Disable Interrupt function
Set Interrupt priority
Enable/Disable GPIO [14:0] Pull Up/Down
Select Pull Up/Down for Keypad I/O (GPIO [24:15]) and
GPIO [14:0]
Indicate Keypad I/O(GPIO [24:15]) and GPIO [14:0] pin
status
Select Keypad I/O(GPIO [24:15]) and GPIO [14:0]
Input/Output Direction
Enable/Disable Keypad I/O(GPIO [24:15]) and GPIO
[14:0] Interrupt
Enable/Disable LCD data, clock and chip selection
control.
Enable/Disable UART I/O control.
Function
Function
Function
W681308
Rev1.2