IDT88P8342BHI IDT, Integrated Device Technology Inc, IDT88P8342BHI Datasheet - Page 50

• Manufacturer Part Number: IDT88P8342BHI
• Description: IC SPI3-SPI4 EXCHANGE 820-PBGA
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of IDT88P8342BHI

• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 88P8342BHI

9.2 Direct access registers
Direct access registers are more quickly accessed, and serve the needs of
interrupts and the indirect access registers.
TABLE 29 - DIRECT MAPPED MODULE A AND MODULE B REGISTERS
TABLE 30 - DIRECT MAPPED OTHER REGISTERS
SPI-3 data capture control register
TABLE 31 - SPI-3 DATA CAPTURE CONTROL
REGISTER (REGISTERS 0x00 and 0x08)
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.
IDT88P8342 SPI EXCHANGE 2 x SPI-3 TO SPI-4
Module A and B 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
The direct access registers are in the directly-addressed access space.
Module enable register
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]
A 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 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
0x08
0x09
0x25
0x29
50
SPI-3 data capture register
TABLE 32 - SPI-3 DATA CAPTURE REGISTER
(REGISTERS 0x01 and 0x09)
access space. The microprocessor uses these registers to capture data from
a SPI-3 ingress.
A 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 bit field of the SPI-3 Data Capture Register is described.
DATA The SPI-3 capture data buffer is read from this field.
DATA
Field
Bits
INDUSTRIAL TEMPERATURE RANGE
7:0
Length
8
APRIL 10, 2006
Initial Value
0x00