CHAPTER 29 ELECTRICAL SPECIFICATIONS (TARGET)
Preliminary User’s Manual U17260EJ3V1UD
604
(2) Serial
interface
(T
A
=
−
40 to +85
°
C, 1.8 V
≤
V
DD
= EV
DD
≤
5.5 V, AV
REF
≤
V
DD
, V
SS
= EV
SS
= AV
SS
= 0 V)
(a) UART6 (dedicated baud rate generator output)
Parameter Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Transfer rate
312.5
kbps
(b) UART0 (dedicated baud rate generator output)
Parameter Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Transfer rate
312.5
kbps
(c) IIC0
Standard Mode
High-Speed Mode
Parameter Symbol
MIN. MAX. MIN. MAX.
Unit
SCL0 clock frequency
f
SCL
0 100 0 400
kHz
Setup time of start/restart condition
Note 1
t
SU:STA
4.8
−
0.7
−
µ
s
Hold time
t
HD:STA
4.1
−
0.7
−
µ
s
Hold time when SCL0 = “L”
t
LOW
5.0
−
1.25
−
µ
s
Hold time when SCL0 = “H”
t
HIGH
5.0
−
1.25
−
µ
s
Data setup time (reception)
t
SU:DAT
0
−
0
−
µ
s
Data hold time (transmission)Note 2
t
HD:DAT
0.47
4.0
0.23
1.00
µ
s
Notes 1.
The first clock pulse is generated after this period when the start/restart condition is detected.
2.
The maximum value (MAX.) of t
HD:DAT
is during normal transfer and a wait state is inserted in the ACK
(acknowledge) timing.
(d) CSI1n (master mode, SCK1n... internal clock output)
Parameter Symbol
Conditions
MIN.
TYP.
MAX.
Unit
4.0 V
≤
V
DD
≤
5.5 V
100
ns
2.7 V
≤
V
DD
< 4.0 V
200
ns
SCK1n cycle time
t
KCY1
1.8 V
≤
V
DD
< 2.7 V
400
ns
SCK1n high-/low-level width
t
KH1
,
t
KL1
t
KCY1
/2
−
10
Note 1
ns
SI1n setup time (to SCK1n
↑
) t
SIK1
30 ns
SI1n hold time (from SCK1n
↑
) t
KSI1
30 ns
Delay time from SCK1n
↓
to
SO1n output
t
KSO1
C = 50 pF
Note 2
40
ns
Notes
1.
This value is when high-speed system clock (f
XH
) is used.
2.
C is the load capacitance of the SCK1n and SO1n output lines.
Remark
n = 0:
µ
PD78F0531, 78F0532, 78F0533
n = 0, 1:
µ
PD78F0534, 78F0535, 78F0536, 78F0537, 78F0537D