参数资料
型号: MB89475PFV
元件分类: 微控制器/微处理器
英文描述: 8-BIT, 12.5 MHz, MICROCONTROLLER, PQFP48
封装: PLASTIC, QFP-48
文件页数: 25/46页
文件大小: 999K
代理商: MB89475PFV
31
MB89470 Series
(5) Serial I/O Timing
(VCC = 5.0 V, 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
Min.
Max.
Serial clock cycle time
tSCYC
SCK1, SCK2
Internal
shift clock
mode
2 tinst*
s
SCK
↓ → SO time
tSLOV
SCK1, SO1, SCK2, SO2,
–200
200
ns
Valid SI
→ SCK ↑
tIVSH
SI1, SCK1, SI2, SCK2
1/2 tinst*
ns
SCK
↑ → valid SI hold time
tSHIX
SCK1, SI1, SCK2, SI2
1/2 tinst*
ns
Serial clock “H” pulse width
tSHSL
SCK1, SCK2
External
shift clock
mode
1 tinst*
s
Serial clock “L” pulse width
tSLSH
1 tinst*
s
SCK
↓ → SO time
tSLOV
SCK1, SO1, SCK2, SO2
0
200
ns
Valid SI
→ SCK ↑
tIVSH
SI1, SCK1, SI2, SCK2
1/2 tinst*
ns
SCK
↑ → valid SI hold time tSHIX
SCK1, SI1, SCK2, SI2
1/2 tinst*
ns
0.2 VCC
0.8 VCC
tSLSH
2.4 V
0.2 VCC
0.8 VCC
0.8 V
0.8 VCC
0.2 VCC
0.8 VCC
SCK
SO
SI
0.2 VCC
tSHSL
tSHIX
tIVSH
tSLOV
External Clock Operation
0.8 V
2.4 V
tSCYC
2.4 V
0.2 VCC
tSHIX
0.8 V
tIVSH
0.8 VCC
0.2 VCC
0.8 VCC
SCK
SO
SI
tSLOV
Internal Clock Operation
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