UPD78F0138 NEC, UPD78F0138 Datasheet - Page 440

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

(2) UART (UART0, UART6)
440
Signal Name
SI/RxD
SO/TxD
SCK
CLK
/RESET
V
H/S
V
GND
PP
DD
Pin Configuration of Dedicated Flash Programmer
Notes 1.
Cautions 1. Be sure to connect the REGC pin in either of the following ways.
Table 27-4. Wiring Between
2.
Output
Input
Output
Output
Output
Output
Input
I/O
2. When connecting the REGC pin to GND via a 1
When using the clock out of the flash programmer, connect CLK of the programmer to X1, and connect
its inverse signal to X2.
Flashpro III only
I/O
−
• To GND via a 1
• Directly to V
from the CLK pin of the flash programmer.
Create an oscillator on the board to supply a clock.
Receive signal
Transmit signal
Transfer clock
Clock to
78F0138
Reset signal
Write voltage
Handshake signal
V
monitor
Ground
DD
voltage generation/voltage
Note 2
µ
Pin Function
PD78F0134 or
DD
µ
F capacitor
µ
CHAPTER 27
PD78F0134 or 78F0138 and Dedicated Flash Programmer (2/2)
User’s Manual U16228EJ2V0UD
TxD0/
SCK10/P10
RxD0/SI10/
P11
Not needed
X1
X2
RESET
V
Not needed
V
EV
AV
V
EV
AV
PP
DD
SS
Pin Name
Note 1
DD
REF
SS
SS
With UART0
µ
PD78F0134, 78F0138
Pin No.
needed
needed
Not
Not
27
26
33
32
7
8
3
4
1
6
2
9
µ
F capacitor, the clock cannot be supplied
TxD0/
SCK10/P10
RxD0/SI10/
P11
Not needed
X1
X2
RESET
V
HS/P15/TOH0
V
EV
AV
V
EV
AV
PP
DD
SS
Pin Name
With UART0 + HS
Note 1
DD
REF
SS
SS
needed
Pin No.
Not
27
26
22
33
32
7
8
9
3
4
1
6
2
TxD6/P13
RxD6/P14
Not needed
X1
X2
RESET
V
Not needed
V
EV
AV
V
EV
AV
PP
DD
SS
Pin Name
Note 1
DD
REF
SS
SS
With UART6
Pin No.
needed
needed
Not
Not
27
26
33
32
7
8
9
3
4
1
6
2