參數(shù)資料
型號(hào): MB89W857C-SH
元件分類: 微控制器/微處理器
英文描述: 8-BIT, UVPROM, 10 MHz, MICROCONTROLLER, CDIP64
封裝: SHRINK, CERAMIC, DIP-64
文件頁數(shù): 27/51頁
文件大?。?/td> 798K
代理商: MB89W857C-SH
33
MB89860/850 Series
(10) UART and Serial I/O Timing
(VCC = +5.0 V
±10%, AVSS = VSS = 0.0 V, TA = –40°C to +85°C)
* : For information on tinst, see “(4) Instruction Cycle.”
Parameter
Symbol
Pin
Condition
Value
Unit
Remarks
Min.
Max.
Serial clock cycle time
tSCYC
SCK1,SCK2
Internal shift
clock mode
Load
condition:
50 pF
2 tinst*—
s
SCK1
↓ → SO1 time
SCK2
↓ → SO2 time
tSLOV
SCK1, SO1
SCK2, SO2
–200
200
ns
Valid SI1
→ SCK1 ↑
Valid SI2
→ SCK2 ↑
tIVSH
SI1, SCK1
SI2, SCK2
1/2 tinst*—
s
SCK1
↑→validSI1holdtime
SCK2
↑→validSI2holdtime tSHIX
SCK1, SI1
SCK2, SI2
1/2 tinst*—
s
Serial clock“H”pulse width tSHSL
SCK1, SCK2
External
shift clock
mode
Load
condition:
50 pF
1 tinst*—
s
Serial clock “L” pulse width tSLSH
1 tinst*—
s
SCK1
↓ → SO1 time
SCK2
↓ → SO2 time
tSLOV
SCK1, SO1
SCK2, SO2
0
200
ns
Valid SI1
→ SCK1 ↑
Valid SI2
→ SCK2 ↑
tIVSH
SI1, SCK1
SI2, SCK2
1/2 tinst*—
s
SCK1
↑→validSI1holdtime
SCK2
↑→validSI2holdtime tSHIX
SCK1, SI1
SCK2, SI2
1/2 tinst*—
s
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