DS07-16301-4E Datasheet, PDF (89/99 Pages) Fujitsu Component Limited. – 32-bit RISC Microcontroller CMOS FR30 Series

MB91101/MB91101A
(14) UART Timing
(VCC5 = 5.0 V ±10%, VSS = AVSS = 0.0 V, TA = –40°C to +70°C)
(VCC5 = VCC3 = 2.7 V to 3.6 V, VSS = AVSS = 0.0 V, TA = –40°C to +70°C)
Parameter
Symbol Pin name Condition
Value
Min
Max
Unit Remarks
Serial clock cycle time
tSCYC
—
8 × tCYCP
—
ns
SCLK ↓→ SCLK ↑
tSCLCH
—
4 × tCYCP –10 4 × tCYCP +10 ns
SCLK ↑→ SCLK ↓
tSCHCL
SCLK ↓→ SOUT delay time tSLOV
Valid SIN → SCLK ↑
tIVSH
—
Internal ^{4 × tCYCP –10 4 × tCYCP +10 ns}
—
shift clock
–80
—
mode
100
+80
ns
—
ns
SCLK ↑→ valid SIN hold
time
tSHIX
—
60
—
ns
Serial clock “H” pulse width tSHSL
—
4 × tCYCP
—
ns
Serial clock “L” pulse width tSLSH
SCLK ↓→ SOUT delay time tSLOV
Valid SIN → SCLK ↑
tIVSH
SCLK ↑→ valid SIN hold
time
tSHIX
—
4 × tCYCP
—
External
shift clock
—
—
mode
60
—
60
—
ns
150
ns
—
ns
—
ns
tCYCP: A cycle time of peripheral system clock
Note : This rating is for AC characteristics in CLK synchronous mode.
• Internal shift clock mode
SCLK
SOUT
SIN
VOL
tSLOV
tSCLCH
tSCYC
VOH
VOH
VOL
tIVSH
VIH
VIL
tSCHCL
tSHIX
VOL
VIH
VIL
• External shift clock mode
SCLK
SOUT
SIN
tSLSH
VIL
tSLOV
VOH
VOL
VIH
VIL
tIVSH
VIH
VIL
tSHSL
tSHIX
VIH
VIH
VIL
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