UPD78F0138 NEC, UPD78F0138 Datasheet - Page 448

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

Notes 1. Flashpro III only
(5) UART6
following signal for the
Remark
448
V
V
GND
CLK
/RESET
SI/RxD
SO/TxD
SCK
H/S
Signal Name
PP
DD
If Flashpro III/Flashpro IV is used as the dedicated flash programmer, Flashpro III/Flashpro IV generates the
Transfer rate: 4800 to 76800 bps
2. For off-board writing only: connect the clock output of the flash programmer to X1 and its inverse signal to
×: The pin does not have to be connected.
X2.
: Be sure to connect the pin.
: The pin does not have to be connected if the signal is generated on the target board.
: In handshake mode
Output
Output
I/O
Output
Output
Input
Output
Input
Dedicated flash
programmer
Figure 27-13. Communication with Dedicated Flash Programmer (UART6)
Cxxxxxx
Axxxx
Bxxxxx
I/O
PG-FP4
−
µ
PD78F0134 or 78F0138. For details, refer to the Flashpro III/Flashpro IV Manual.
STATVE
Flashpro III/Flashpro IV
Write voltage
V
Ground
Clock output to
Reset signal
Receive signal
Transmit signal
Transfer clock
Handshake signal
DD
voltage generation/voltage monitor
CHAPTER 27
/RESET
SO/TxD
SI/RxD
GND
Table 27-5. Pin Connection
CLK
µ
V
V
User’s Manual U16228EJ2V0UD
PD78F0134/78F0138
DD
PP
Pin Function
µ
PD78F0134, 78F0138
Note 1
V
V
V
RESET
TxD6
RxD6
X1
X2
PP
DD
SS
V
V
V
X1, X2
RESET
SO10/TxD0/TxD6
SI10/RxD0/RxD6
SCK10
HS
PD78F0134, 78F0138
PP
DD
SS
µ
PD78F0134,
, EV
, EV
Pin Name
78F0138
Note 2
DD
SS
, AV
, AV
SS
REF
CSI00 UART0 UART6
Connection
×
×
×