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參數(shù)資料
| 型號： | μPD78F4046 |
| 廠商： | NEC Corp. |
| 英文描述： | 8 Bit Single Chip Microcontrollers(8位單片微控制器) |
| 中文描述： | 8位單片機(jī)微控制器（8位單片微控制器） |
| 文件頁數(shù)： | 18/26頁 |
| 文件大?。?/td> | 159K |
| 代理商： | ΜPD78F4046 |
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m
PD78F4046
1 8
7.2 Flash Memory Programming Function
The flash memory is written to by using the commands and data in the selected communication mode. Table
7-2 lists the major flash memory programming functions.
Table 7-2. Major Flash Memory Programming Functions
Function
Description
Batch erase
Erases all contents of memory
Block erase
Erases contents of specified memory block with one block consisting of 16K bytes
Batch blank check
Checks erased status of entire memory
Block blank check
Checks erased status of specified block
Data write
Writes to flash memory based on write start address and amount of data (number of bytes) to be
written
Batch verify
Compares contents of entire memory and input data
Block verify
Compares contents of specified memory block with input data
7.3 Connecting Dedicated Flash Writer
The connection of the dedicated flash writer to the
m
PD78F4046 differs depending on the communication
mode (3-wire serial I/O or UART). Figures 7-2 and 7-3 show the connections in the respective modes.
Figure 7-2. Connecting Dedicated Flash Writer in 3-Wire Serial I/O Mode
Figure 7-3. Connecting Dedicated Flash Writer in UART Mode
V
PP
V
DD
RESET
SCK1 or SCK2
SI1 or SI2
SO1 or SO2
V
SS
Dedicated flash
writer
PD78F4046
μ
V
PP
V
DD
RESET
RxD or RxD2
TxD or TxD2
V
SS
Dedicated flash
writer
PD78F4046
μ
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