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參數(shù)資料
| 型號： | μPD78P048A |
| 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)： | 1/72頁 |
| 文件大小： | 387K |
| 代理商： | ΜPD78P048A |
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1995
DATA SHEET
MOS INTEGRATED CIRCUIT
m
PD78P048A
8-BIT SINGLE-CHIP MICROCONTROLLER
DESCRIPTION
The
m
PD78P048A is a product in the
m
PD78044F subseries within the 78K/0 series, in which the internal ROM
of the
m
PD78042F, 78043F, 78044F, and 78045F is replaced with one-time PROM or EPROM.
As the
m
PD78P048A is user-programmable, it is ideal for evaluation in system development, short-run and multiple-
device production, and early start-up.
Caution The
m
PD78P048AKL-S does not provide the reliability intended for mass production of user
systems. Use this model only for experiments and evaluation of functions.
Details of functions are described in the User's Manuals shown below. Be sure to read in design.
m
PD78044F subseries User's Manual: U10908E
78K/0 series User's Manual -Instruction: U12326E
FEATURES
Pin compatible with mask ROM products (except the V
PP
pin)
Internal PROM: 60K bytes
Note 1
m
PD78P048AKL-S: Reprogrammable. (ideal for system evaluation)
m
PD78P048AGF-3B9: Programmable only once (ideal for limited production)
Internal high-speed RAM: 1024 bytes
Note 1
Internal expansion RAM: 1024 bytes
Note 2
Buffer RAM: 64 bytes
FIP
TM
display RAM: 48 bytes
Operable in the same supply voltage as mask ROM products: V
DD
= 2.7 to 6.0 V (except A/D converter)
A/D converter supply voltage: AV
DD
= 4.0 to 6.0
Notes 1.
Internal PROM and internal high-speed RAM capacities can be changed by memory size switch-
ing register (IMS).
Internal expansion RAM capacity can be changed by internal expansion RAM size switching
register (IXS).
2.
Remark
For the difference between ROM products and mask ROM products, refer to
1. DIFFERENCES
BETWEEN
m
PD78P048A AND MASK ROM PRODUCTS
.
In this document, “PROM” is used in parts common to one-time PROM products and EPROM products.
Document No. U10611EJ2V0DS00 (2nd edition)
Date Published June 1997 N
Printed in Japan
The mark
shows major revised points.
The information in this document is subject to change without notice.
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