W681308DG Datasheet, PDF (15/64 Pages) Nuvotem Talema – W681308 USB Audio Controller from Nuvoton integrates fast 8051 Microcontroller Unit (MCU)

W681308
XXXX PRODUCT DESCRIPTION
7.7
SPI Control Registers
Address
0x14A0
0x14A1
0x14A2
0x14A3
0x14A4~
0x14A8
0x14AB
0x14AC
0x14AD
0x14AE
0x14AF
Name
SPI Clock and
Interface
SPI
Command
Interface Control
SPI Data Length
Mode
R/W
R/W
RW
SPI Interrupt Control
R/W
SPI Command Byte
Control
RW
SPI Clock Format
Control
RW
SPI FIFO Data
RW
SPI Byte Count
R
SPI Write Count
R/W
SPI Read Count
R/W
Value At
Reset
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
Function
Enable/Disable SPI interface and Select SPI bit clock
rate
Set SPI interface command length, R/W and other
control
Set SPI interface data field length
Enable/Disable SPI interface interrupt
Set SPI interface command byte 1 to 5
Set SPI interface clock format
Read/write data from SPI interface FIFO
Current SPI interface FIFO counter value
MCU current Write point for SPI interface FIFO
MCU current Read point for SPI interface FIFO
7.8
W2S Control Registers
Address
0x14B0
0x14B1
0x14B2~
0x14B3
0x14B4
0x14B5
0x14B6
0x14B7
0x14B8
0x14B9
0x14BA
Name
Mode
W2S Enable
R/W
EEPROM control
R/W
W2S Clock
R/W
W2S R/W FIFO
R/W
W2S R/W Operation
Control
R/W
W2S Status
R/W
FIFO Read Pointer
R/W
FIFO Write Pointer
R/W
ACK Failure Detect
R/W
W2S Miscellaneous
Control
R/W
Value At
Reset
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
Function
Enable/Disable W2S bus controller
Set different page mode and page size of EEPROM
Set W2S bit clock rate
Read/Write W2S compatible device
Set W2S Read/Write and FIFO control
Indicate W2S FIFO space and ACK signal status
Indicate W2S FIFO read pointer
Indicate W2S FIFO write pointer
Set ACK failure detect and indicate failure data pointer
in FIFO
Indicate status for SCL_in, finite state machine state
and interrupt signal status
15
Rev1.2