MC81F4204 Datasheet, PDF (28/150 Pages) Finechips – ABOV SEMICONDUCTOR 8-BIT SINGLE-CHIP MICROCONTROLLERS

MC81F4204
7.7 Serial I/O Characteristics
(T_A = - 40 ^C to + 85^C, V_DD = 2.2 V to 5.5 V)
Parameter
Symbol
Conditions
Min Typ Max Units
SCK cycle time
tKCY ^{External SCK source}
1,000
nS
Internal SCK source
1,000
SCK high, low width
SI setup time to SCK high
External SCK source
500
tKH, tKL _{Internal SCK source}
tKCY/2–50
–
nS
–
tSIK ^{External SCK source}
250
nS
Internal SCK source
250
SI hold time to SCK high
tKSI ^{External SCK source}
400
nS
Internal SCK source
400
Output delay for SCK
to SOUT
External SCK source
tKSO _{Internal SCK source}
300
–
–
nS
250
Interrupt input, high,low width
tINTH,
tINTL
All interrupt, VDD = 5 V
200
– – nS
RESETB input low width
tRSL Input, VDD = 5 V
10
– – uS
tINTH
tINTH
External
Interrupt
0.8 VDD
0.2 VDD
Figure 7-1 Input Timing for External Interrupts
tRSL
RESETB
0.2 VDD
Figure 7-2 Input Timing for RESETB
28
October 19, 2009 Ver.1.35