参数资料
型号: IDT88P8344BHGI
厂商: INTEGRATED DEVICE TECHNOLOGY INC
元件分类: 微控制器/微处理器
英文描述: SPI EXCHANGE 4 x SPI-3 TO SPI-4 Issue 1.0
中文描述: SPECIALTY MICROPROCESSOR CIRCUIT, PBGA820
封装: GREEN, PLASTIC, BGA-820
文件页数: 40/98页
文件大小: 601K
代理商: IDT88P8344BHGI
40
IDT88P8344 SPI EXCHANGE 4 x SPI-3 TO SPI-4
INDUSTRIAL TEMPERATURE RANGE
APRIL 10, 2006
7. LOOPBACKS
Local loopbacks are supported on each of the SPI-3 physical ports. They
are described below.
7.1 SPI-3 Loopback
A SPI-3 physical port loop back is supported on each of the SPI-3 interfaces.
In this mode, the contents of the SPI-3 ingress buffers are directly transferred
to the SPI-3 egress buffers. All data and error information received on an ingress
interface of a SPI-3 physical port is transmtted on the egress interface of the same
SPI-3 physical port.
Figure 31. SPI-3 Loopback diagram
JTAG
uproc
LID Counters Memory
2 x SPI-3
8 bit / 32 bit
Min: 19.44MHz
Max: 133MHz
I
Chip Counters Memory
I
SPI-3 /
LID map
Main
Memory
A
SPI-4.2
Min: 80 MHz
Max:400 MHz
SPI-4 /
LID map
6370 drw23
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