NEC 78K0 Series User Manual page 604

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