參數(shù)資料
型號(hào): MB90F244PFT-G
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 50 MHz, MICROCONTROLLER, PQFP80
封裝: PLASTIC, TQFP-80
文件頁(yè)數(shù): 29/67頁(yè)
文件大?。?/td> 1404K
代理商: MB90F244PFT-G
35
MB90F244
(9) UART Timing
(VCC = 3.3 V
±0.3 V, VCC5 = 5.0 V ±0.5 V, AVSS = VSS = 0.0 V, TA = 0°C to +70°C)
* : For information on tCYC (cycle time), see “(2) Clock Output Timing.”
Notes:
These are the AC characteristics for CLK synchronous mode.
CL is the load capacitance added to pins during testing.
Parameter
Symbol
Pin name
Condition
Value
Unit
Remarks
Min.
Max.
Serial clock cycle time tSCYC
For internal shift clock
mode output pin,
CL = 80 pF
8 tCYC*—
ns
SCK
↓ → SOD delay
time
tSLOV
–80
80
ns
Valid SID
→ SCK ↑
tIVSH
100
ns
SCK
↑ → Valid
SID hold time
tSHIX
—60
ns
Serial clock “H” pulse
width
tSHSL
For external shift clock
mode output pin,
CL = 80 pF
4 tCYC*—
ns
Serial clock “L” pulse
width
tSLSH
—4 tCYC*—
ns
SCK
↓ → SOD delay
time delay time
tSLOV
150
ns
Valid SID
→ SCK ↑
tIVSH
—60
ns
SCK
↑ → Valid SID
hold time
tSHIX
—60
ns
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