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參數(shù)資料
| 型號： | μPD78F0034 |
| 廠商： | NEC Corp. |
| 元件分類： | 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 |
| 文件頁數(shù)： | 18/52頁 |
| 文件大小： | 393K |
| 代理商： | ΜPD78F0034 |
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μ
PD78F0034
18
Preliminary Data Sheet
4.2 Function of Flash Memory Programming
Operations such as writing to a flash memory are performed by various command/data transmission and
reception operations according to the selected transmission method. Table 4-2 shows major functions of flash
memory programming.
Table 4-2. Major Functions of Flash Memory Programming
Functions
Descriptions
Reset
Used to stop write operation and detect transmission cycle.
Batch verify
Compares the entire memory contents with the input data.
Batch delete
Deletes the entire memory contents.
Batch blank check
Checks the deletion status of the entire memory.
High-speed write
Performs write to the flash memory based on the write start address and the number of data
to be written (number of bytes).
Continuous write
Performs continuous write based on the information input with high-speed write operation.
Status
Used to confirm the current operating mode and operation end.
Oscillation frequency setting
Sets the frequency of the resonator.
Delete time setting
Sets the memory delete time.
Silicon signature read
Outputs the device name and memory capacity, and device block information.
4.3 Connection of Flashpro II
The connection of the Flashpro II and the
μ
PD78F0034 differs according to the transmission method (3-wire
serial I/O, UART, and pseudo 3-wire serial I/O). The connection for each transmission method is shown in Figures
4-2, 4-3, and 4-4, respectively.
Figure 4-2. Connection of Flashpro II for 3-wire Serial I/O System
n = 0, 1
Flashpro II
V
PP
V
PP
V
DD
V
SS
V
DD
RESET
SCK3n
SI3n
SO3n
PD78F0034
μ
RESET
SCK
SO
SI
GND
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