參數(shù)資料
型號(hào)： HD4074019S
英文描述： 4-Bit Microcontroller
中文描述： 4位微控制器
文件頁(yè)數(shù)： 1/63頁(yè)
文件大?。?/td> 213K
代理商： HD4074019S
HD404019R Series
Rev. 6.0
Sept. 1998
Description
The HD404019R series are HMCS400-series CMOS 4-bit single-chip microcomputers. Each device
incorporates a ROM, RAM, I/O, serial interface, and two timer/counters, and contains high-voltage I/O
pins including high-current output pins to directly drive fluorescent displays.
The HD404019R series includes four chips. The HD404019R and HD40L4019R are Mask ROM versions.
The HD4074019 and HD407L4019 are PROM versions. The HD40L4019R and HD407L4019 are low-
voltage operation versions.
Features
16,384-word
×
10-bit ROM
Mask ROM: HD404019R, HD40L4019R
PROM: HD4074019, HD407L4019
992-digit
×
4-bit RAM
58 I/O pins, including 26 high-voltage I/O pins (40 V max.)
Two timer/counters
8-bit free-running timer
8-bit auto-reload timer/counter
Clock synchronous 8-bit serial interface
Five interrupt sources
Two by external sources
Two by timer/counters
One by serial interface
Subroutine stack, up to 16 levels including interrupts
Minimum instruction execution time: 0.89
μ
s
Low-power dissipation modes
Standby: Stops instruction execution while allowing clock oscillation and interrupt functions to
operate
Stop: Stops instruction execution and clock oscillation while retaining RAM data
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