参数资料
型号: ST10R172LT6
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 16-BIT, 50 MHz, MICROCONTROLLER, PQFP100
封装: 14 X 14 MM, TQFP-100
文件页数: 64/68页
文件大小: 657K
代理商: ST10R172LT6
67/68
ST10R172L - ELECTRICAL CHARACTERISTICS
1
The transition of shift and latch edge of SSPCLK is programmable. This figure uses the
falling edge as shift edge (drawn bold).
2
The bit timing is repeated for all bits to be transmitted or received.
3
The active level of the chip enable lines is programmable. This figure uses an active low
CE (drawn bold). At the end of a transmission or reception the CE signal is disabled in sin-
gle transfer mode. In continuous transfer mode it remains active.
Figure 26 SSP write timing
Figure 27 SSP read timing
t
204
t
203
SSPCLK
SSPCEx
SSPDAT
t
205
t
207
t
207
t
207
t
208
t
209
t
206
1st Bit
Last Bit
2nd Bit
t
200
t
201
t
202
1)
3)
2)
t
211
SSPCLK
SSPCEx
SSPDAT
t
209
t
206
last Wr. Bit
Lst.In Bit
1)
3)
2)
t
212
1st.In Bit
t
210
1
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