MC81F4216 Datasheet, PDF (37/200 Pages) Finechips – ABOV SEMICONDUCTOR 8-BIT SINGLE-CHIP MICROCONTROLLERS

MC81F4x16
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
External SCK source
1,000
SCK cycle time
t_KCY
nS
Internal SCK source
1,000
SCK high, low width
SI setup time
to SCK high
External SCK source
500
t_KH, t_KL
nS
Internal SCK source ^t_KCY^/2–50
––
External SCK source
250
t_SIK
nS
Internal SCK source
250
SI hold time to SCK
High
External SCK source
400
t_KSI
Internal SCK source
400
nS
Output delay for
SCK to SOUT
External SCK source
300
t_KSO
–
–
nS
Internal SCK source
250
Interrupt input, high, low width
t_INTH,
t_INTL
All interrupt, V_DD = 5 V
200
– – nS
RESETB input low width
t_RSL
Input, V_DD = 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
October 19, 2009 Ver.1.35
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