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參數(shù)資料
| 型號： | μPD78F0034Y |
| 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)： | 10/52頁 |
| 文件大?。?/td> | 309K |
| 代理商： | ΜPD78F0034Y |
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m
PD78F0034Y
10
Preliminary Data Sheet
1. DIFFERENCES BETWEEN
m
PD78F0034Y AND MASK ROM VERSIONS
The
m
PD78F0034Y is a product provided with a flash memory that enables on-board writing, erasing, and
rewriting of programs with the device mounted on the target system.
The functions of the
m
PD78F0034Y (except the functions specified for flash memory) can be made the same
as those of the mask ROM versions by setting the memory size switching register (IMS).
Table 1-1 shows the differences between the flash memory version (
m
PD78F0034Y) and the mask ROM
versions (
m
PD780031Y, 780032Y, 780033Y, and 780034Y).
Table 1-1. Differences between
m
PD78F0034Y and Mask ROM Versions
Item
m
PD78F0034
Mask ROM Versions
Internal ROM type
Flash memory
Mask ROM
Internal ROM capacity
32 Kbytes
m
PD780031Y : 8 Kbytes
m
PD780032Y : 16 Kbytes
m
PD780033Y : 24 Kbytes
m
PD780034Y : 32 Kbytes
Internal high-speed RAM capacity
1024 bytes
m
PD780031Y : 512 bytes
m
PD780032Y : 512 bytes
m
PD780033Y : 1024 bytes
m
PD780034Y : 1024 bytes
Internal ROM and internal high-speed
RAM capacity changeable/not changeable
with memory size switching register (IMS)
Changeable
Note
Not changeable
IC pin
Not provided
Provided
V
PP
pin
Provided
Not provided
Power supply voltage
V
DD
= 2.7 to 5.5 V
V
DD
= 1.8 to 5.5 V
Electrical specifications,
recommended soldering conditions
Refer to the data sheet of individual products.
Note
Flash memory is set to 32 Kbytes and internal high-speed RAM is set to 1024 bytes by RESET input.
Caution
There are differences in noise immunity and noise radiation between the flash memory
versions and mask ROM versions. When pre-producing an application set with the flash
memory version and then mass-producing it with the mask ROM version, be sure to conduct
sufficient evaluation for commercial samples (not engineering samples) of the mask ROM
version.
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| PD78F0134 | 制造商:NEC 制造商全稱:NEC 功能描述:8-Bit Single-Chip Microcontrollers |
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