mb95r203a Fujitsu Microelectronics, Inc., mb95r203a Datasheet - Page 33

• Manufacturer Part Number: mb95r203a
• Description: 8-bit Proprietary Microcontrollers
• Manufacturer: Fujitsu Microelectronics, Inc.

* : Refer to “ (2) Source Clock/Machine Clock” for details on t
DS07-12630-1E
(6) UART/SIO, Serial I/O Timing
Serial clock cycle time
UCK ↓ → UO time
Valid UI → UCK ↑
UCK ↑→ valid UI hold time
Serial clock “H” pulse width
Serial clock “L” pulse width
UCK ↓ → UO time
Valid UI → UCK ↑
UCK ↑→ valid UI hold time
• Internal shift clock mode
• External shift clock mode
Parameter
UCK
UO
UI
UCK
UO
UI
Symbol
t
t
t
t
t
t
t
t
t
SCYC
SLOV
SLOV
SHSL
SLSH
IVSH
SHIX
IVSH
SHIX
Pin name
UCK, UO
UCK, UO
UCK, UI
UCK, UI
UCK, UI
UCK,UI
UCK
UCK
UCK
0.2 V
0.8 V
t
2.4 V
0.8 V
SLOV
t
t
2.4 V
0.8 V
CC
SLOV
SLSH
0.2 V
0.8 V
0.2 V
0.8 V
0.2 V
t
IVSH
t
IVSH
C
C
CC
CC
CC
operation output pin :
L
operation output pin :
L
CC
CC
t
MCLK
= 80 pF + 1 TTL.
= 80 pF + 1 TTL.
SCYC
0.8 V
0.2 V
External clock
2.4 V
Internal clock
0.8 V
0.2 V
(Vcc = 3.3 V, Vss = 0.0 V, T
0.8 V
Conditions
.
t
SHIX
t
SHIX
CC
CC
t
CC
CC
CC
SHSL
0.8 V
CC
0.8 V
4 t
2 t
2 t
4 t
4 t
2 t
2 t
−190
MB95R203A
Min
MCLK
MCLK
MCLK
MCLK
MCLK
MCLK
MCLK
0
Value
*
*
*
*
*
*
*
A
= −40 °C to +85 °C)
+190
Max
190
⎯
⎯
⎯
⎯
⎯
⎯
⎯
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
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