參數(shù)資料
型號: μPD78P083A)
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位單片機微控制器(8位單片微控制器)
文件頁數(shù): 13/44頁
文件大?。?/td> 301K
代理商: ΜPD78P083A)
13
m
PD78P083(A)
Parameter
μPD78P083(A)
Mask ROM Versions
Internal ROM type
One-time PROM/EPROM
Mask ROM
Internal ROM capacity
24 Kbytes
μPD78081(A)
:
8 Kbytes
μPD78082(A)
:
16 Kbytes
Internal high-speed RAM capacity
512 bytes
μPD78081(A)
:
256 bytes
μPD78082(A)
:
384 bytes
Internal ROM and internal high-speed
Enable
Note
Disable
RAM capacity change by
memory size switching register (IMS)
IC pin
No
Yes
V
PP
pin
Yes
No
Electrical specifications
Refer to a data sheet of each product
1.
DIFFERENCES BETWEEN THE
m
PD78P083(A) AND MASK ROM VERSIONS
The
m
PD78P083(A) is a single-chip microcontroller with an on-chip one-time PROM.
Setting the memory size switching register (IMS) makes the functions except the PROM specification identical to
the mask ROM versions.
Table 1-1 shows differences between the PROM version (
m
PD78P083(A)) and mask ROM versions (
m
PD78081(A)
and
m
PD78082(A)).
Table 1-1. Differences between the
m
PD78P083(A) and Mask ROM Versions
Note
The internal PROM becomes 24 Kbytes and the internal high-speed RAM becomes 512 bytes by the RESET
input.
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