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參數(shù)資料
| 型號： | μPD78P054 |
| 廠商： | NEC Corp. |
| 元件分類： | 8位微控制器 |
| 英文描述： | 8 Bit Single Chip Microcontrollers |
| 中文描述： | 8位單片機微控制器 |
| 文件頁數(shù)： | 1/86頁 |
| 文件大?。?/td> | 502K |
| 代理商： | ΜPD78P054 |
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1994
DATA SHEET
μ
PD78P054, 78P058
MOS INTEGRATED CIRCUIT
8-BIT SINGLE-CHIP MICROCONTROLLER
The information in this document is subject to change without notice.
Document No. U10417EJ2V1DS00 (2nd edition)
(Previous. No. IP-3363)
Date Published January 1999 N CP(K)
Printed in Japan
The mark shows major revised points.
DESCRIPTION
The
μ
PD78P054 and 78P058 are the members of the
μ
PD78054 Subseries of 78K/0 Series products, in which the
on-chip mask ROM of the
μ
PD78054 and 78058 is replaced with one-time PROM or EPROM.
Because these devices can be programmed by users, it is ideally suited for applications involving the evaluation
of systems in development stages, small-scale production of many different products, and rapid development and
time-to-market of a new product.
Caution
The reliability of the
μ
PD78P054KK-T and 78P058KK-T is not guaranteed when used in mass-
production applications. Please use this device only experimentally or for evaluation during
trial manufacture.
Details are given in the following User’s Manuals. Be sure to read them before starting design.
μ
PD78054, 78054Y Subseries User’s Manual : U11747E
78K/0 Series User’s Manual Instructions
: U12326E
FEATURES
Pin compatible with mask ROM versions (except the V
PP
pin)
Internal high-capacity PROM and RAM
Parameter
Program Memory
(PROM)
Internal Data Memory
Part Number
High-speed RAM
Buffer RAM
Expansion RAM
μ
PD78P054
32 Kbytes
Note 1
1024 bytes
Note 1
32 bytes
None
μ
PD78P058
60 Kbytes
Note 1
1024 bytes
Note 2
μ
PD78P05xKK-T
μ
PD78P05xGC, 78P05xGK: Programmable once only (ideal for small-scale production)
Operable in the same supply voltage as mask ROM versions (V
DD
= 2.0 to 6.0 V)
Corresponding to QTOP microcontrollers
: Reprogrammable (ideal for system evaluation)
Notes 1.
Internal PROM and internal high-speed RAM capacity can be changed by memory size switching
register (IMS).
2.
Internal expansion RAM capacity can be changed by internal expansion RAM size switching register (IXS).
Remarks 1.
QTOP microcontroller is the general name of the microcontrollers with one-time PROM that are totally
supported by the NEC writing service (from writing to marking, screening, and testing).
2.
For the differences between PROM versions and mask ROM versions, refer to
1. DIFFERENCES
BETWEEN
μ
PD78P054, 78P058 AND MASK ROM VERSIONS
.
In this document, “PROM” is used in parts common to one-time PROM and EPROM versions.
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