469
CHAPTER 25 ELECTRICAL SPECIFICATIONS
User’s Manual U15798EJ2V0UD
(c) CSI1 3-wire serial I/O mode (SCK1 ... internal clock output)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
SCK1 cycle time
t
KCY3
4.5 V
≤
V
DD
≤
5.5 V
200
ns
2.7 V
≤
V
DD
< 4.5 V
500
ns
1.8 V
≤
V
DD
< 2.7 V
1
µ
s
SCK1 high-/low-level
t
KH3
,
4.5 V
≤
V
DD
≤
5.5 V
t
KCY3
/2
ns
width
t
KL3
−
5
2.7 V
≤
V
DD
< 4.5 V
t
KCY3
/2
ns
−
20
1.8 V
≤
V
DD
< 2.7 V
t
KCY3
/2
ns
−
30
SI1 setup time
t
SIK3
20
ns
(to SCK1
↑
)
SI1 hold time
t
KSI3
110
ns
(from SCK1
↑
)
Delay time from
t
KSO3
C = 100 pF
Note
150
ns
SCK1
↓
to SO1 output
Note
C is the load capacitance of the SCK1 and SO1 output lines.
(d) CSI1 3-wire serial I/O mode (SCK1 ... external clock input)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
SCK1 cycle time
t
KCY4
4.5 V
≤
V
DD
≤
5.5 V
200
ns
2.7 V
≤
V
DD
< 4.5 V
500
ns
1.8 V
≤
V
DD
< 2.7 V
1
µ
s
SCK1 high-/low-level
t
KH4
,
4.5 V
≤
V
DD
≤
5.5 V
100
ns
width
t
KL4
2.7 V
≤
V
DD
< 4.5 V
250
ns
1.8 V
≤
V
DD
< 2.7 V
500
ns
SI1 setup time
t
SIK4
25
ns
(to SCK1
↑
)
SI1 hold time
t
KSI4
110
ns
(from SCK1
↑
)
Delay time from
t
KSO4
C = 100 pF
Note
150
ns
SCK1
↓
to SO1 output
Note
C is the load capacitance of the SO1 output line.
(e) UART0 (dedicated baud rate generator output)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Transfer rate
4.5 V
≤
V
DD
≤
5.5 V
156,250
bps
2.7 V
≤
V
DD
< 4.5 V
78,125
bps
1.8 V
≤
V
DD
< 2.7 V
39,063
bps
Содержание mPD780344 Series
Страница 2: ...2 User s Manual U15798EJ2V0UD MEMO...