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UPD78320 Datasheet, PDF (70/88 Pages) NEC – 16/8-BIT SINGLE-CHIP MICROCONTROLLER
µPD78320, 78322
SERIAL OPERATION (TA = –10 to +70 °C, VDD = +5 V ±10 %, VSS = 0 V)
Parameter
Serial clock cycle time
Symbol
tCYSK
Serial clock low-level width
tWSKL
Serial clock high-level width
SI setup time (vs. SCK↑)
SI hold time (vs. SCK↑)
SO delay time from SCK↓
tWSKH
tSRXSK
tHSKRX
tDSKTX
Test Conditions
SCK output
Internal division by 8
SCK input
External clock
SCK output
Internal division by 8
SCK input
External clock
SCK output
Internal division by 8
SCK input
External clock
R = 1 kΩ, C = 100 pF
MIN.
MAX.
Unit
1
µs
1
µs
420
ns
420
ns
420
ns
420
ns
80
ns
80
ns
210
ns
OTHER OPERATION (TA = –10 to +70 °C, VDD = +5 V ±10 %, VSS = 0 V)
Parameter
NMI high/low-level width
INTP0 high/low-level width
INTP1 high/low-level width
INTP2 high/low-evel width
NTP3 high/low-level width
NTP4 high/low-level width
INTP5 high/low-level width
INTP6 high/low-level width
RESET high/low-level width
TI high/low-level width
Symbol
tWNIH, tWNIL
tWI0H, tWI0L
tWI1H, tWI1L
tWI2H, tWI2L
tWI3H, tWI3L
tWI4H, tWI4L
tWI5H, tWI5L
tWI6H, tWI6L
tWRSH, tWRSL
tWTIH, tWTIL
Test Conditions
In TM1 event counter mode
MIN.
5
8T
8T
8T
8T
8T
8T
8T
5
8T
MAX.
Unit
µs
tCYK
tCYK
tCYK
tCYK
tCYK
tCYK
tCYK
µs
tCYK
70