DS07-16303-3E Datasheet, PDF (87/97 Pages) Fujitsu Component Limited. – 32-bit RISC Microcontroller CMOS FR30 Series

MB91121
(15) UART Timing
(VCC = 3.0 V to 3.6 V, VSS = AVSS = 0.0 V, TA = 0 °C to + 70 °C)
Parameter
Symbol Pin name Condition
Value
Min.
Max.
Unit Remarks
Serial clock cycle time
tSCYC SC0 to SC2
8tCYCP

ns
SCLK ↓ → SOUT delay time
tSLOV
SC0 to SC2
SO0 to SO2 _Internal
−80
Valid SIN → SCLK ↑
tIVSH
SC0 to SC2 ^{shift clock}
SI0 to SI2 ^mode
100
80
ns

ns
SCLK ↑ → valid SIN hold time
tSHIX
SC0 to SC2
SI0 to SI2
60

ns
Serial clock “H” pulse width
tSHSL SC0 to SC2
4tCYCP

ns
Serial clock “L” pulse width
tSLSH SC0 to SC2
4tCYCP

ns
SCLK ↓ → SOUT delay time
tSLOV
SC0 to SC2
SO0 to SO2
External
shift clock

Valid SIN → SCLK ↑
tIVSH
SC0 to SC2
SI0 to SI2
mode
60
150
ns

ns
SCLK ↑ → valid SIN hold time
tSHIX
SC0 to SC2
SI0 to SI2
60

ns
Note : This rating is for AC characteristics in CLK synchronous mode.
tCYCP is a cycle time of peripheral system clock
• Internal shift clock mode
SCLK
SOUT
VOL
tSLOV
SIN
tSCYC
VOH
VOH
VOL
tIVSH
VIH
VIL
VOL
tSHIX
VIH
VIL
• External shift clock mode
SCLK
SOUT
SIN
tSLSH
VIH
VIL
VIL
tSLOV
VOH
VOL
tIVSH
VIH
VIL
tSHSL
VIH
tSHIX
VIH
VIL
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