參數(shù)資料
型號: MB90F497PFM
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 16 MHz, MICROCONTROLLER, PQFP64
封裝: 12 X 12 MM, 0.65 MM PITCH, QFP-64
文件頁數(shù): 27/40頁
文件大小: 484K
代理商: MB90F497PFM
MB90495 Series
MB90495 Series Data Sheet (Advance Information)
33 / 40
FME EMDC June 19, 2000
14.9 UART1 Timing
(TA = –40 to +85
°C, VCC = 4.5 to 5.5 V, VSS = 0 V)
Notes:
1. AC characteristic in CLK synchronized mode.
2. CL is load capacity value of pins when testing.
3. tCP is the machine cycle (Unit: ns).
Figure 14.10 Internal Shift Clock Mode
Parameter
Symbol
Pin Symbol
Test Condition
Rated Value
Units
Remarks
Min.
Max.
Serial clock cycle time
tSCYC
SCK1
Internal clock operation
output pins are CL =80pF
+ 1 TTL.
8 tCP
—ns
SCK
↓ SOT delay time
tSLOV
SCK1, SOT1
–80
80
ns
Valid SIN
SCK ↑
tIVSH
SCK1, SIN1
100
ns
SCK
↑ Valid SIN hold time
tSHIX
SCK1, SIN1
60
ns
Serial clock "H" pulse width
tSHSL
SCK1
External clock operation
output pins are CL =80pF
+ 1 TTL.
4 tCP
—ns
Serial clock "L" pulse width
tSLSH
SCK1
4 tCP
—ns
SCK
↓ SOT delay time
tSLOV
SCK1, SOT1
150
ns
Valid SIN
SCK ↑
tIVSH
SCK1, SIN1
60
ns
SCK
↑ Valid SIN hold time
tSHIX
SCK1, SIN1
60
ns
SCK
2.4 V
tSCYC
0.8 V
SOT
0.8 V
2.4 V
0.8 V
tSLOV
SIN
0.2 VCC
0.8 VCC
tIVSH
0.2 VCC
0.8 VCC
tSHIX
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