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ELECTRICAL DATA S3C8245/P8245/C8249/P8249
19-12
Table 19-10. Synchronous SIO Electrical Characteristics
(T
A
= -25
°
C to +85
°
C, V
DD
= 1.8 V to 5.5 V, V
SS
= 0 V, fxx = 10 MHz oscillator)
Parameter Symbol Conditions Min Typ Max Unit
SCK Cycle time t
CYC
– 200 – – ns
Serial Clock High Width t
SCKH
– 60 – –
Serial Clock Low Width t
SCKL
– 60 – –
Serial Output data delay
time
t
OD
– – – 50
Serial Input data setup
time
t
ID
– 40 – –
Serial Input data Hold time t
IH
– 100 – –
Output Data
Input Data
SCK
t
SCKH
t
CYC
t
SCKL
0.8 V
DD
0.2 V
DD
t
OD
t
ID
t
IH
0.8 V
DD
0.2 V
DD
SI
SO
Figure 19-6. Serial Data Transfer Timing