NEC 78K0 User Manual page 566

CHAPTER 31 ELECTRICAL SPECIFICATIONS ((A1) GRADE PRODUCTS)
(2) Serial interface
= −40 to +110°C
Note
(T
A
= −40 to +110°C:
Note T
A
= −40 to +105°C:
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, 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
Note C is the load capacitance of the SCK1n and SO1n output lines.
(d) 3-wire serial I/O mode (slave mode, SCK1n... external clock input)
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
Note C is the load capacitance of the SO1n output line.
µ
Remark n = 0: PD780143(A1), 780144(A1)
µ
n = 0, 1: PD780146(A1), 780148(A1), 78F0148(A1)
566
, 3.3 V ≤ V ≤ 5.5 V, 3.3 V ≤ AV
= EV
DD DD
µ
PD780143(A1), 780144(A1), 780146(A1), 780148(A1)
µ
PD78F0148(A1)
Symbol
Symbol
Symbol
4.5 V ≤ V
t
KCY1
4.0 V ≤ V
3.3 V ≤ V
t ,
KH1
t
KL1
t
SIK1
t
KSI1
t C = 100 pF
KSO1
Symbol
t
KCY2
t ,
KH2
t
KL2
t
SIK2
t
KSI2
t C = 100 pF
KSO2
User's Manual U15947EJ2V0UD
≤ V
, V
REF DD SS
Conditions MIN.
Conditions MIN.
Conditions MIN.
≤ 5.5 V
200
DD
< 4.5 V
240
DD
< 4.0 V
400
DD
/2 − 10
t
KCY1
*
30
30
Note
Conditions MIN.
400
t
KCY2
80
50
Note
= EV = AV = 0 V)
SS SS
TYP. MAX.
312.5
TYP. MAX.
312.5
TYP. MAX.
30
TYP. MAX.
/2
120
Unit
kbps
Unit
kbps
Unit
ns
ns
ns
ns
ns
ns
ns
Unit
ns
ns
ns
ns
ns