參數(shù)資料
型號(hào)： UPD178P018
廠商： NEC Corp.
元件分類(lèi)： 8位微控制器
英文描述： 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
中文描述： 8位微控制器與2/4/8K字節(jié)在系統(tǒng)可編程閃存
文件頁(yè)數(shù)： 23/52頁(yè)
文件大?。?/td> 247K
代理商： UPD178P018
23
Data Sheet U12920EJ1V0DS00
μ
PD178F098
6. FLASH MEMORY PROGRAMMING
The program memory provided in the
μ
PD178F098 is flash memory.
The flash memory can be written on-board, i.e., with the
μ
PD178F098 mounted on the target system.
To do so, connect a dedicated flash writer (Flashpro III (Part number FL-PR3, PG-FP3)) to the host machine and
target system.
Remark
FL-PR3 is a product of Naito Densei Machida Mfg. Co., Ltd.
6.1 Selecting Communication Mode
The flash memory is written by using Flashpro III and by means of serial communication. Select a communication
mode from those listed in Table 6-1. To select a communication mode, the format shown in Figure 6-1 is used. Each
communication mode is selected depending on the number of V
PP
pulses shown in Table 6-1.
Table 6-1. Communication Modes
Communication Mode
Number of Channels
Pins Used
Number of V
PP
Pulses
3-wire serial I/O (SIO3)
1
SI3/P70
SO3/P71
SCK3/P72
0
UART0
1
RXD0/P74
TXD0/P75
8
Caution Be sure to select a communication mode by the number of V
PP
pulses shown in Table 6-1.
Figure 6-1. Communication Mode Selection Format
10 V
GND
V
DD
V
PP
RESET
V
DD
GND
Flash memory writing mode
V
PP
pulse
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