CXP84120 Datasheet, PDF (15/19 Pages) Sony Corporation – CMOS 8-bit Single Chip Microcomputer

CXP84120/84124
Serial transfer (CH1)
(Ta = –20 to +75°C, VDD = 4.5 to 5.5V, Vss = 0V reference)
Item
SCK1 cycle time
SCK1
High, Low level width
SI1 input setup time
(for SCK1 ↑)
SI1 input hold time
(for SCK1 ↑)
SCK1 ↓ → SO1 delay time
Symbol Pin
Condition
Min.
Input mode
tKCY SCK1
Output mode
1000
16000/fc
tKH,
tKL
Input mode
SCK1
Output mode
400
8000/fc – 50
SCK1 input mode
100
tSIK
SI1
SCK1 output mode
200
SCK1 input mode
200
tKSI
SI1
SCK1 output mode
100
SCK1 input mode
tKSO SO1
SCK1 output mode
Max.
Unit
ns
ns
ns
ns
ns
ns
ns
ns
200
ns
100
ns
Note) The load condition for the SCK1 output mode, SO1 output delay time is 50pF + 1TTL.
SCK1
tKCY
tKL
tKH
tSIK
tKSI
0.8VDD
0.2VDD
0.8VDD
SI1
Input data
0.2VDD
tKSO
SO1
0.8VDD
0.2VDD
Output data
Fig. 5. Serial transfer CH1 timing
– 15 –