MB95120MB Series
Sampling at the falling edge of sampling clock*1 and prohibited serial clock delay*2
(ESCR register : SCES bit = 1, ECCR register : SCDE bit = 0)
(VCC = 5.0 V 10%, AVSS = VSS = 0.0 V, TA = −40 °C to + 105 °C)
Value
Sym-
bol
Parameter
Pin name
Condition
Unit
Min
5 tMCLK*3
−95
Max
Serial clock cycle time
SCK ↑ → SOT delay time
Valid SIN → SCK ↓
tSCYC
tSHOVI
tIVSLI
tSLIXI
tSHSL
tSLSH
SCK
SCK, SOT
SCK, SIN
SCK, SIN
SCK
⎯
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Internal clock
operation output pin :
CL = 80 pF + 1 TTL.
+95
tMCLK*3 + 190
⎯
SCK ↓ → valid SIN hold time
Serial clock “H” pulse width
Serial clock “L” pulse width
SCK ↑ → SOT delay time
Valid SIN → SCK ↓
0
3 tMCLK*3 − tR
tMCLK*3 + 95
⎯
⎯
⎯
SCK
⎯
tSHOVE SCK, SOT
2 tMCLK*3 + 95
External clock
tIVSLE
tSLIXE
tF
SCK, SIN operation output pin :
190
⎯
⎯
10
10
CL = 80 pF + 1 TTL.
SCK ↓ → valid SIN hold time
SCK fall time
SCK, SIN
tMCLK*3 + 95
⎯
SCK
SCK
SCK rise time
tR
⎯
*1 : Provide switch function whether sampling of reception data is performed at rising edge or falling edge of the
serial clock.
*2 : Serial clock delay function is used to delay half clock for the output signal of serial clock.
*3 : Refer to “ (2) Source Clock/Machine Clock” for tMCLK.
53
FUJITSU [ FUJITSU ]
