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HD404639R Datasheet, PDF (130/135 Pages) Renesas Technology Corp – 4-Bit Single-Chip Microcomputer | |||
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HD404639R Series
During Transmit Clock Input
Item
Symbol Pin(s)
Test Condition
Min Typ Max Unit Notes
Transmit
t Scyc
clock cycle
time
SCK1, SCK2
1
â
â
t cyc
1
Transmit
clock high
width
t SCKH
SCK1, SCK2
0.5
â
â
t Scyc
1
Transmit
t SCKL
clock low
width
SCK1, SCK2
0.5
â
â
t Scyc
1
Transmit
t SCKr
clock rise
time
SCK1, SCK2
â
â
200 ns 1
Transmit
t SCKf
clock fall time
SCK1, SCK2
â
â
200 ns 1
Serial output tDSO
data delay
time
SO1, SO2 Load shown in figure 105 â
â
500 ns 1
Serial input tSSI
data setup
time
SI1, SI2
300 â
â
ns 1
Serial input tHSI
data hold
time
SI1, SI2
300 â
â
ns 1
Note: 1. Refer to figure 104.
RL = 100 kâ¦
TONEC
RL = 100 kâ¦
TONER
GND
Figure 98 TONE Output Load Circuit
128
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