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: 89/98页
文件大小: 601K
代理商: IDT88P8344BHGI
89
IDT88P8344 SPI EXCHANGE 4 x SPI-3 TO SPI-4
INDUSTRIAL TEMPERATURE RANGE
APRIL 10, 2006
6370 drw11
SCLK
t
CSH
High Impedance
Valid Input
t
CLD
t
CSD
t
CLL
t
CLH
t
CSS
t
DIS
t
DIH
t
PD
Valid Output
t
DF
High Impedance
SDI
SDO
CSB
11.6.6.2 Serial microprocessor interface (serial
peripheral interface mode)
Timing Characteristics
The maximumSPI Data transfer clock frequency is 2 MHz. The detail
information of the timng characteristics is shown in below and timng diagramis
shown in Figure 41,
Mcroprocessor serial peripheral interface timng diagram
.
Symbol
f
OP
f
CSH
t
CSS
t
CSD
t
CLD
t
CLH
t
CLL
t
DIS
t
DIH
t
PD
t
DF
Description
Mn.
Max.
2.0
Unit
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
SCLK Frequency
MnimumCSB High Time
CSB Setup Time
CSB Hold Time
SCLK Clock Disable Time
SCLK Clock High Time
SCLK Clock Low Time
SDI Data Setup Time
SDI Data Hold Time
SDO Output Delay
SDO Output Disable Time
100
50
100
50
205
205
50
150
150
50
Figure 41. Mcroprocessor serial peripheral interface timing diagram
TABLE 142 – MICROPROCESSOR SERIAL PERIPHERAL INTERFACE TIMING
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