
CHAPTER 30 ELECTRICAL SPECIFICATIONS ((A1) GRADE PRODUCTS)
User’s Manual U16228EJ2V0UD
499
(2) Serial interface
(T
A
=
40 to +110
°
C
Note
T
A
=
40 to +110
°
C:
μ
PD780131(A1), 780132(A1), 780133(A1), 780134(A1), 780136(A1), 780138(A1)
T
A
=
40 to +105
°
C:
μ
PD78F0134(A1), 78F0138(A1)
(a) UART mode (UART6, dedicated baud rate generator output)
Note
, 3.3 V
≤
V
DD
= EV
DD
≤
5.5 V, 3.3 V
≤
AV
REF
≤
V
DD
, V
SS
= EV
SS
= AV
SS
= 0 V)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Transfer rate
312.5
kbps
(b) UART mode (UART0, dedicated baud rate generator output)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Transfer rate
312.5
kbps
(c) 3-wire serial I/O mode (master mode, SCK1n... internal clock output)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
4.5 V
≤
V
DD
≤
5.5 V
200
ns
4.0 V
≤
V
DD
< 4.5 V
240
ns
SCK1n cycle time
t
KCY1
3.3 V
≤
V
DD
< 4.0 V
400
ns
SCK1n high-/low-level width
t
KH1
,
t
KL1
t
KCY1
/2
10
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 = 100 pF
Note
30
ns
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
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
SCK1n cycle time
t
KCY2
400
ns
SCK1n high-/low-level width
t
KH2
,
t
KL2
t
KCY2
/2
ns
SI1n setup time (to SCK1n
↑
)
t
SIK2
80
ns
SI1n hold time (from SCK1n
↑
)
t
KSI2
50
ns
Delay time from SCK1n
↓
to
SO1n output
t
KSO2
C = 100 pF
Note
120
ns
Note
C is the load capacitance of the SO1n output line.
Remark
n = 0:
μ
PD780131(A1), 780132(A1)
n = 0, 1:
μ
PD780133(A1), 780134(A1), 78F0134(A1), 780136(A1), 780138(A1), 78F0138(A1)