參數(shù)資料
型號(hào)： μPD70P083
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(yè)數(shù)： 13/56頁(yè)
文件大小： 390K
代理商： ΜPD70P083
13
m
PD78P083
Parameter
μPD78P083
Mask ROM Versions
ROM type
One-time PROM/EPROM
Mask ROM
ROM capacity
24 Kbytes
μPD78081
:
8 Kbytes
μPD78082
:
16 Kbytes
Internal high-speed RAM capacity
512 bytes
μPD78081
:
256 bytes
μPD78082
:
384 bytes
Internal ROM and internal high-speed
Can be changed
Note
Can not be changed
RAM capacity change by internal
memory size switching register
IC pin
No
Yes
V
PP
pin
Yes
No
Electrical specifications
Refer to a data sheet of each product
1.
DIFFERENCES BETWEEN THE
μ
PD78P083 AND MASK ROM VERSIONS
The μPD78P083 is a single-chip microcontroller with an on-chip one-time PROM or with an on-chip EPROM which has
program write, erasure and rewrite capability.
Setting the internal memory size switching register (IMS) makes the functions except the PROM specification identical
to the mask ROM versions, that is, the μPD78081 and μPD78082.
Differences between the μPD78P083 and mask ROM versions are shown in Table 1-1.
Table 1-1. Differences between the
μ
PD78P083 and Mask ROM Versions
Note
The internal PROM becomes 24 Kbytes and the internal expansion RAM becomes 512 bytes by the RESET input.
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