參數(shù)資料
型號(hào): P83C251TQ24
廠(chǎng)商: INTEL CORP
元件分類(lèi): 微控制器/微處理器
英文描述: 8-BIT, MROM, 24 MHz, MICROCONTROLLER, PDIP40
封裝: PLASTIC, DIP-40
文件頁(yè)數(shù): 28/36頁(yè)
文件大小: 813K
代理商: P83C251TQ24
8xC251TB/TQ HIGH-PERFORMANCE CHMOS MICROCONTROLLER
28
6.4
AC Characteristics — Serial Port
Table 14. Serial Port Timing — Shift Register Mode
Symbol
Parameter
Min
Max
Units
TXLXL
Serial Port Clock Cycle Time
12TOSC
ns
TQVSH
Output Data Setup to Clock Rising Edge
10TOSC – 133
ns
TXHQX
Output Data hold after Clock Rising Edge
2TOSC – 117
ns
TXHDX
Input Data Hold after Clock Rising Edge
0
ns
TXHDV
Clock Rising Edge to Input Data Valid
10TOSC – 133
ns
, Shift Register Mode
Valid
RXD
(In)
RXD
(Out)
TXD
01
2
3
4
5
6
7
TQVXH
TXLXL
TXHDX
TXHQX
TXHDV
A2592-02
Set TI
Set RI
TAV
TI and RI are set during S1P1 of the peripheral cycle following the shift of the eighth bit.
Figure 15. Serial Port Waveform — Shift Register Mode
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