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參數(shù)資料
| 型號(hào)： | UPD75212AGF |
| 廠商： | NEC Corp. |
| 英文描述： | 4-BIT SINGLE-CHIP MICROCOMPUTER |
| 中文描述： | 4位單片機(jī) |
| 文件頁(yè)數(shù)： | 1/70頁(yè) |
| 文件大小： | 516K |
| 代理商： | UPD75212AGF |
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4-BIT SINGLE-CHIP MICROCOMPUTER
DESCRIPTION
The
μ
PD75212A is a microcomputer with a CPU capable of 1-, 4-, and 8-bit data processing, ROM, RAM, I/O ports,
a fluorescent display tube controller/driver, a watch timer, a timer/pulse generator capable of outputting 14-bit PWM,
a serial interface and a vectored interrupt function integrated on a single-chip.
The
μ
PD75212A is a version of the
μ
PD75216A with a small ROM capacity (12K).
The
μ
PD75212A uses the VCR, ECR and CD fluorescent display tubes as display devices and is most suitable for
applications requiring the timer/watch function and high-speed interrupt servicing. It can help to provide the unit
with many functions and to decrease performance costs.
Functions are described in detail in the following User’s Manual. Be sure to read when carrying out design work.
μ
PD75216A User’s Manual: IEM-988
FEATURES
Architecture equal to that of an 8-bit microcomputer
High-speed operation : Minimum instruction execution time : 0.95
μ
s (when operated at 4.19 MHz)
Instruction execution time variable function realizing a wide range of operating voltages
On-chip large-capacity program memory : 12K bytes
Watch operation with an ultra low current consumption : 5
μ
A TYP. (at the 3 V operation)
On-chip programmable fluorescent display tube controller/driver
Timer function : 4 ch
14-bit PWM output capability with the voltage synthesizer type electronic tuner
Buzzer output capability
Interrupt function with importance attached to applications
For power-off detection
For remote controlled reception
Product with an on-chip PROM :
μ
PD75P216A,
μ
PD75P218 (on-chip EPROM : WQFN package)
APPLICATION FIELD
VCR, CD player, ECR, etc.
μ
PD75212A
MOS INTEGRATED CIRCUIT
DATA SHEET
The information in this document is subject to change without notice.
The mark
#
shows major revised points.
NEC Corporation 1990
Document No.
(O. D. No.
Date Published February 1994 P
Printed in Japan
IC-2584D
IC-7552D)
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