CHAPTER 23 ELECTRICAL SPECIFICATIONS (TARGET)
Preliminary User’s Manual U16846EJ1V0UD
378
(2) Serial interface (T
A
=
−
40 to +85
°
C, 2.7 V
≤
V
DD
≤
5.5 V, 2.7 V
≤
AV
REF
≤
V
DD
, V
SS
= AV
SS
= 0 V)
(a) UART mode (UART6, dedicated baud rate generator output)
Parameter Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Transfer rate
312.5
kbps
(b) UART mode (UART0, dedicated baud rate generator output):
µ
PD78F0102H and 78F0103H only
Parameter Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Transfer rate
312.5
kbps
(c) 3-wire serial I/O mode (master mode, SCK10... internal clock output)
Parameter Symbol
Conditions
MIN.
TYP.
MAX.
Unit
4.0 V
≤
V
DD
≤
5.5 V
200
ns
3.3 V
≤
V
DD
< 4.0 V
240
ns
SCK10 cycle time
t
KCY1
2.7 V
≤
V
DD
< 3.3 V
400
ns
SCK10 high-/low-level width
t
KH1
,
t
KL1
t
KCY1
/2
−
10
ns
SI10 setup time (to SCK10
↑
) t
SIK1
30 ns
SI10 hold time (from SCK10
↑
) t
KSI1
30 ns
Delay time from SCK10
↓
to
SO10 output
t
KSO1
C = 100 pF
Note
30
ns
Note C is the load capacitance of the SCK10 and SO10 output lines.
(d) 3-wire serial I/O mode (slave mode, SCK10... external clock input)
Parameter Symbol
Conditions
MIN.
TYP.
MAX.
Unit
SCK10 cycle time
t
KCY2
400
ns
SCK10 high-/low-level width
t
KH2
,
t
KL2
t
KCY2
/2
ns
SI10 setup time (to SCK10
↑
) t
SIK2
80 ns
SI10 hold time (from SCK10
↑
) t
KSI2
50 ns
Delay time from SCK10
↓
to
SO10 output
t
KSO2
C = 100 pF
Note
120
ns
Note C is the load capacitance of the SO10 output line.