IDT88P8344 Integrated Device Technology, IDT88P8344 Datasheet - Page 50

• Manufacturer Part Number: IDT88P8344
• Description: Spi Exchange 4 X Spi-3 To Spi-4 Issue 1.0
• Manufacturer: Integrated Device Technology

9.2 Direct access registers
Direct access registers are more quickly accessed, and serve the needs of
interrupts and the indirect register access.
SPI-3 data capture control register
register access space. Write a zero to DATA_AVAILABLE to clear the transfer.
The microprocessor uses these registers to capture data from a SPI-3 ingress.
reading.
IDT88P8344 SPI EXCHANGE 4 x SPI-3 TO SPI-4
Module A-D Direct registers
SPI-3 data capture control register
SPI-3 data capture register
SPI-4 data insert control register
SPI-4 data insert register
SPI-4 data capture control register
SPI-3 data insert control register
SPI-4 data capture register
SPI-3 data insert register
Module status register
Module enable register
The direct access registers are in the directly-addressed access space.
Other Direct registers
Software reset
SPI-4 status register
SPI-4 enable register
Primary interrupt status register
Secondary interrupt status register
Primary interrupt enable register
Secondary interrupt enable register
Indirect access data[7:0]
Indirect access data[15:8]
Indirect access data[23:16]
Indirect access data[31:24]
Indirect access address[7:0]
Indirect access address[15:8]
Indirect access control[7:0]
The SPI-3 data capture control register has read and write access in the direct
The SPI-3 data capture control register for SPI-3 port A is register 0x00.
The SPI-3 data capture control register for SPI-3 port B is register 0x08.
The SPI-3 data capture control register for SPI-3 port C is register 0x10.
The SPI-3 data capture control register for SPI-3 port D is register 0x18.
The bit field of the SPI-3 data capture control register is described.
DATA_AVAILABLE The SPI-3 capture data buffer is full and ready for
DATA_AVAILABLE
Reserved
Field
Bits
7:1
0
Length
1
7
Module A
Address
0x2C
0x2D
0x2E
0x2F
0x3F
0x00
0x01
0x02
0x03
0x04
0x05
0x06
0x07
0x24
0x28
0x20
0x22
0x23
0x30
0x31
0x32
0x33
0x34
0x35
Initial Value
0x00
0b0
Module B
0x0C
0x0D
0x0A
0x0B
0x0E
0x0F
0x29
0x08
0x09
0x25
50
SPI-3 data capture register
access space. The microprocessor uses these registers to capture data from
a SPI-3 ingress.
The SPI-3 data capture register has read-only access in the direct register
The SPI-3 data capture register for SPI-3 port A is register 0x01.
The SPI-3 data capture register for SPI-3 port B is register 0x09.
The SPI-3 data capture register for SPI-3 port C is register 0x11.
The SPI-3 data capture register for SPI-3 port D is register 0x19.
The bit field of the SPI-3 data capture register is described.
DATA The SPI-3 capture data buffer is read from this field.
Module C
0x2A
0x10
0x11
0x12
0x13
0x14
0x15
0x16
0x17
0x26
DATA
Field
Module D
0x1A
0x1B
0x1C
0x1D
0x1E
0x1F
0x2B
0x18
0x19
0x27
Bits
7:0
INDUSTRIAL TEMPERATURE RANGE
Length
8
APRIL 10, 2006
Initial Value
0x00