參數(shù)資料
型號(hào)： μPD78P0208
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)： 1/72頁(yè)
文件大小： 424K
代理商： ΜPD78P0208
8-BIT SINGLE-CHIP MICROCOMPUTER
DATA SHEET
MOS INTEGRATED CIRCUIT
m
PD78P0208
1990
The
m
PD78P0208 is a product in the
m
PD780208 subseries within the 78K/0 series, in which on-chip mask ROM
of the
m
PD780208 is replaced with one-time PROM or EPROM.
Since user programs can be written to PROM, this microcomputer is best suited for evaluation in system
development, manufacture of small quantities of multiple products, and fast start-up of applications.
For specific functions and other detailed information, consult the following user’s manual.
This manual is required reading for design work.
m
PD780208 Subseries User’s Manual
78K/0 Series User’s Manual, Instruction : IEU-1372
: IEU-1413
FEATURES
Pin compatible with mask ROM products (except for V
PP
pin)
Internal PROM: 60K bytes
Note 1
m
PD78P0208KL-T : EPROM (best suited for system evaluation)
m
PD78P0208GF
: PROM (best suited for manufacture of small quantities)
Internal high-speed RAM
: 1024 bytes
Internal expansion RAM
: 1024 bytes
Note 2
Buffer RAM
: 64 bytes
FIP
display RAM
: 80 bytes
Can be operated at the same power supply voltage as mask ROM products:
V
DD
= 2.7 to 5.5 V (except for A/D converter).
A/D converter’s power supply voltage: AV
DD
= 4.0 to 5.5 V.
QTOP
TM
microcomputer
Notes 1.
Internal PROM capacity can be changed according to the internal memory switching register (IMS).
2.
Internal expansion RAM capacity can be changed according to the internal expansion RAM switching
register (IXS).
Remark
The QTOP microcomputer is a single-chip microcomputer with a built-in one-time PROM that is totally
supported by NEC. The support includes writing application programs, marking, screening, and
verification.
This product differs from mask ROM products in the following respects.
It can use the same memory mapping as mask ROM products, depending upon the IMS and IXS
settings.
FIP0 to FIP12 have on-chip pull-down resistors.
Port 3 and FIP13 to FIP52 (port 8 to port 12) do not have on-chip pull-down resistors.
Port 7 does not have a on-chip pull-up resistor.
In this reference, all ROM components that are common to one-time PROM and EPROM are referred to as
PROM.
Document No. U11295EJ1V0DS00 (1st edition)
(Previous No. IP-3475)
Date Published May 1996 P
Printed in Japan
The information in this document is subject to change without notice.
The mark
#
shows major revised points.
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