S3C7031 Datasheet, PDF (15/25 Pages) Samsung semiconductor – The S3C7031/7032 single-chip CMOS microcontroller has been designed for high performance using Samsungs newest 4-bit CPU core.

S3C7031/7032
ELECTRICAL DATA
Table 14-6. A.C. Electrical Characteristics
(T_A = - 40 ^°C to + 85 ^°C, V_DD = 2.7 V to 6.0 V)
Parameter
Symbol
Conditions
Min
Typ
Instruction Cycle Time
t_CY
V_DD = 4.5 V to 6.0 V
0.95
–
V_DD = 2.7 V to 4.5 V
3.8
TIO Input Frequency
f_TI
V_DD = 4.5 V to 6.0 V
0
–
V_DD = 2.7 V to 4.5 V
TIO Input High, Low
Width
t_TIH, t_TIL V_DD = 4.5 V to 6.0 V
0.48
–
V_DD = 2.7 V to 4.5 V
1.8
SCK Cycle Time
t_KCY
V_DD = 4.5 V to 6.0 V; Input
800
–
V_DD = 4.5 V to 6.0 V; Output 950
V_DD = 2.7 V to 4.5 V; Input
3200
V_DD = 2.7 V to 4.5 V; Output 3800
SCK High, Low Width ^tKH^{, t}KL ^VDD ^{= 4.5 V to 6.0 V; Input}
400
–
V_DD = 4.5 V to 6.0 V; Output t_KCY/2-50
V_DD = 2.7 V to 4.5 V; Input
1600
V_DD = 2.7 V to 4.5 V; Output _tKCY/2-50
SI Setup Time to
SCK High
t_SIK
Input
100
–
SI Hold Time to SCK
High
Output
t_KSI
Input
150
400
–
Output
400
Output Delay for SCK
t_KSO
V_DD = 4.5 V to 6.0 V; Input
–
–
to SO
V_DD = 4.5 V to 6.0 V; Output
V_DD = 2.7 V to 4.5 V; Input
V_DD = 2.7 V to 4.5 V; Output
Interrupt Input
High, Low Width
t_INTH, t_INTL INT1, KS0-KS3
10
–
RESET Input Low
Width
t_RSL
Input
10
–
Max Units
64
µs
1
MHz
275
kHz
–
µs
–
ns
–
ns
–
ns
–
ns
300
ns
250
1000
1000
–
µs
–
µs
14-7