NEC 78K0/KD1 Series User Manual page 418

CHAPTER 27 ELECTRICAL SPECIFICATIONS (TARGET VALUES)
(2) Serial interface
= − − − − 40 to +85° ° ° ° C, 2.7 V ≤ ≤ ≤ ≤ V
(T
A
(a) UART mode (UART6, dedicated baud rate generator output)
Parameter
Transfer rate
(b) UART mode (UART0, dedicated baud rate generator output)
Parameter
Transfer rate
(c) 3-wire serial I/O mode (master mode, SCK10... internal clock output)
Parameter
SCK10 cycle time
SCK10 high-/low-level width
SI10 setup time (to SCK10↑)
SI10 hold time (from SCK10↑)
Delay time from SCK10↓ to
SO10 output
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
SCK10 cycle time
SCK10 high-/low-level width
SI10 setup time (to SCK10↑)
SI10 hold time (from SCK10↑)
Delay time from SCK10↓ to
SO10 output
Note C is the load capacitance of the SO10 output line.
418
≤ ≤ ≤ ≤ 5.5 V, 2.7 V ≤ ≤ ≤ ≤ AV
= EV
DD DD
Symbol Conditions
Symbol Conditions
Symbol Conditions
4.0 V ≤ V ≤ 5.5 V
t
KCY1 DD
3.3 V ≤ V
< 4.0 V
DD
2.7 V ≤ V
< 3.3 V
DD
t ,
KH1
t
KL1
t
SIK1
t
KSI1
Note
t C = 100 pF
KSO1
Symbol Conditions
t
KCY2
t ,
KH2
t
KL2
t
SIK2
t
KSI2
Note
t C = 100 pF
KSO2
Preliminary User's Manual U16315EJ1V0UD
≤ ≤ ≤ ≤ V
, V = EV = AV
REF DD SS SS
MIN. TYP.
MIN. TYP.
MIN. TYP.
200
240
400
t /2−10
KCY1
30
30
MIN. TYP.
400
t /2
KCY2
80
50
= 0 V)
SS
MAX. Unit
312.5 kbps
MAX. Unit
312.5 kbps
MAX. Unit
ns
ns
ns
ns
ns
ns
30 ns
MAX. Unit
ns
ns
ns
ns
120 ns