參數(shù)資料
型號(hào): MB91V280CR
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 32 MHz, RISC MICROCONTROLLER, CPGA401
封裝: CERAMIC, PGA-401
文件頁(yè)數(shù): 73/85頁(yè)
文件大小: 1090K
代理商: MB91V280CR
MB91270/280 Series
75
UART Timing
(TA : Recommended Operating Conditions, VCC
= 5.0 V ± 10 %, VSS = AVSS = 0.0 V)
Note : These are AC Characteristics at clock synchronous mode.
CL is the load capacitance connected to the pin for testing.
Parameter
Sym-
bol
Pin name
Condi-
tions
Value
Unit
Remarks
Min
Max
Serial clock cycle time
tSCYC
SCKx
8 tCP
ns
Internal shift clock mode
Output pin capacitance is
CL
= 80 pF + 1 × TTL
SCK
↓→SOT delay
time
tSLOV
SCKx
SOTx
80
80
ns
Valid SIN
→SCK↑
tIVSH
SCKx
SINx
100
ns
SCK
↑→
valid SIN hold time
tSHIX
60
ns
Serial clock “H” pulse
width
tSHSL
SCKx
4 tCP
ns
External shift clock mode
Output pin capacitance is
CL
= 80 pF + 1 × TTL
Serial clock “L” pulse
width
tSLSH
4 tCP
ns
SCK
↓→SOT delay
time
tSLOV
SCKx
SOTx
150
ns
Valid SIN
→SCK↑
tIVSH
SCKx
SINx
60
ns
SCK
↑→
valid SIN hold time
tSHIX
60
ns
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