UPD78F0034A NEC, UPD78F0034A Datasheet - Page 43

• Manufacturer Part Number: UPD78F0034A
• Description: 8 Bit Single Chip Microcontroller
• Manufacturer: NEC

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Serial Transfer Timing
3-wire serial I/O mode:
UART mode (external clock input):
I
SDA0
2
SCL0
C bus mode ( µ PD78F0034AY only):
Remarks 1. m = 1, 2
Stop
condition
t
2. µ PD78F0034A:
3. µ PD78F0034AY: n = 0
BUF
ASCK0
SCK3n
SO3n
SI3n
Start
condition
t
HD:STA
t
LOW
t
HD:DAT
t
R
n = 0, 1
t
KSOm
t
Data Sheet U14040EJ4V0DS
HIGH
t
t
KLm
SU:DAT
t
t
SIKm
KL3
Input data
t
F
t
KCYm
t
SU:STA
t
Output data
KSIm
t
KCY3
t
KHm
Restart
condition
µ PD78F0034A, 78F0034AY
t
KH3
t
HD:STA
t
SP
Stop
condition
t
SU:STO
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