參數(shù)資料
型號(hào)： μPD78F0974
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(jī)微控制器
文件頁(yè)數(shù)： 1/40頁(yè)
文件大?。?/td> 232K
代理商： ΜPD78F0974
MOS INTEGRATED CIRCUIT
m
PD78F0974
8-BIT SINGLE-CHIP MICROCONTROLLER
DESCRIPTION
The
m
PD78F0974 is a product of the
m
PD780973 Subseries in the 78K/0 Series and equivalent to the
m
PD780973(A)
with a flash memory in place of internal ROM.
This device can be programmed without being removed from the substrate.
Functions are described in detail in the following user's manuals, which should be read when
carrying out design work.
m
PD780973(A), 78F0974 User's Manual : to be published soon
78K/0 Series User's Manual Instruction : U12326E
FEATURES
Y
Pin-compatible with mask ROM versions (except V
PP
pin)
Y
Flash memory
: 32 Kbytes
Y
Internal high-speed RAM : 1024 bytes
Note
Y
Inclusion of EEPROM
TM
which can be read/written by software: 256 bytes
Y
Operable with the same power supply voltage as that of mask ROM version (V
DD
= 4.5 to 5.5 V)
Note
The flash memory and internal high-speed RAM capacities can be changed with the memory size switching register
(IMS).
Remark
For the difference between the flash memory version and the mask ROM version, refer to
1.
DIFFERENCES BETWEEN
m
PD78F0974 AND MASK ROM VERSION.
APPLICATION FIELD
Automotive Meter (dashboard) control
ORDERING INFORMATION
Part Number
Package
Internal ROM
m
PD78F0974GF-3B9
80-pin plastic QFP (14
￥
20 mm)
Flash memory
Document No. U12646EJ1V0PM00 (1st edition)
Date Published July 1997 N
Printed in Japan
The information contained in this document is being issued in advance of the production cycle for the
device. The parameters for the device may change before final production or NEC Corporation, at its own
discretion, may withdraw the device prior to its production.
1997
PRELIMINARY PRODUCT INFORMATION
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