UPD78F0138 NEC, UPD78F0138 Datasheet - Page 515

• Manufacturer Part Number: UPD78F0138
• Description: (UPD78xxxx) 8-Bit Single-Chip Microcontrollers
• Manufacturer: NEC

(2) Serial interface
Note C is the load capacitance of the SCK1n and SO1n output lines.
Note C is the load capacitance of the SO1n output line.
Remark n = 0:
Transfer rate
Transfer rate
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
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
(T
(a) UART mode (UART6, dedicated baud rate generator output)
(b) UART mode (UART0, dedicated baud rate generator output)
(c) 3-wire serial I/O mode (master mode, SCK1n... internal clock output)
(d) 3-wire serial I/O mode (slave mode, SCK1n... external clock input)
A
= −40 to +125°C, 3.3 V ≤ V
n = 0, 1:
Parameter
Parameter
Parameter
Parameter
µ
µ
PD780131(A2), 780132(A2)
PD780133(A2), 780134(A2), 780136(A2), 780138(A2)
CHAPTER 31 ELECTRICAL SPECIFICATIONS ((A2) GRADE PRODUCTS)
t
t
t
t
t
t
t
t
t
t
t
t
KCY1
KH1
KL1
SIK1
KSI1
KSO1
KCY2
KH2
KL2
SIK2
KSI2
KSO2
DD
Symbol
Symbol
Symbol
Symbol
,
,
= EV
DD
User’s Manual U16228EJ2V0UD
4.0 V ≤ V
3.3 V ≤ V
C = 100 pF
C = 100 pF
≤ 5.5 V, 3.3 V ≤ AV
DD
DD
Conditions
Conditions
Conditions
Conditions
Note
Note
≤ 5.5 V
< 4.0 V
REF
≤ V
DD
, V
t
KCY1
SS
t
MIN.
MIN.
MIN.
MIN.
KCY2
240
400
400
30
30
80
50
= EV
/2−10
/2
SS
= AV
TYP.
TYP.
TYP.
TYP.
SS
= 0 V)
MAX.
261.9
MAX.
261.9
MAX.
MAX.
120
30
kbps
kbps
Unit
Unit
Unit
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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