Writing With Flash Programmer - NEC 78K0 User Manual

23.2 Writing with Flash Programmer

Data can be written to the flash memory on-board or off-board, by using a dedicated flash programmer.
(1) On-board programming
The contents of the flash memory can be rewritten after the
system. The connectors that connect the dedicated flash programmer must be mounted on the target system.
(2) Off-board programming
Data can be written to the flash memory with a dedicated program adapter (FA series) before the
mounted on the target system.
Remark The FA series is a product of Naito Densei Machida Mfg. Co., Ltd.
Table 23-3. Wiring Between
(1) 3-wire serial I/O (CSI10)
Pin Configuration of Dedicated Flash Programmer
Signal Name I/O
SI/RxD Input Receive signal
SO/TxD Output Transmit signal
SCK Output Transfer clock
CLK Output Clock to
/RESET Output Reset signal
V Output Write voltage
PP
H/S Input Handshake signal
V I/O V voltage generation/voltage
DD DD
monitor
−
GND Ground
Notes 1. When using the clock out of the flash programmer, connect CLK of the programmer to X1, and connect
its inverse signal to X2.
2. Flashpro III only
378
CHAPTER 23
µ
PD78F0114 and Dedicated Flash Programmer (1/2)
Pin Function
SO10/P12
SI10/RxD0/P11
SCK10/TxD0/P10
µ
PD78F0114 X1
X2
RESET
V
Not needed
V
Note 2
AV
V
AV
User's Manual U16227EJ2V0UD
µ
PD78F0114
µ
PD78F0114 has been mounted on the target
With CSI10
Pin Name Pin No.
28
29
30
6
Note 1
7
8
3
PP
Not needed
4
DD
1
REF
5
SS
2
SS
µ
PD78F0114 is
With CSI10 + HS
Pin Name Pin No.
SO10/P12 28
SI10/RxD0/P11 29
SCK10/TxD0/P10 30
X1 6
Note 1
X2 7
RESET 8
V 3
PP
HS/P15/TOH0 25
V 4
DD
AV 1
REF
V 5
SS
AV 2
SS