ELECTRICAL DATA S3C8245/P8245/C8249/P8249
19-12
Table 19-10. Synchronous SIO Electrical Characteristics
(TA = -25 °C to +85 °C, VDD = 1.8 V to 5.5 V, VSS = 0 V, fxx = 10 MHz oscillator)
Parameter Symbol Conditions Min Typ Max Unit
SCK Cycle time tCYC – 200 – – ns
Serial Clock High Width tSCKH – 60 – –
Serial Clock Low Width tSCKL – 60 – –
Serial Output data delay
time tOD – – – 50
Serial Input data setup
time tID – 40 – –
Serial Input data Hold time tIH – 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