NJU3503L 데이터 시트보기 (PDF) - Japan Radio Corporation
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NJU3503L Datasheet PDF : 60 Pages
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NJU3503
PRELIMINARY
4-BIT SINGLE CHIP MICRO CONTROLLER
s GENERAL DESCRIPTION
The NJU3503 is the C-MOS 4-bit Single Chip Micro
Controller consisting of the 4-bit CPU Core, Input / Output
Selectable I/O ports, Program ROM, Data RAM, Dual
Timer/Counter, 8-bit Serial Interface, 8-bit A/D Converter,
and Oscillator Circuit (CR or Ceramic or X'tal). It realizes
the control for home appliances or toys by only few
external components.
The NJU3503 is suitable for battery operated appliances
because of low operating current, wide operating voltage
range, and STANDBY function (HALT mode).
s PACKAGE OUTLINE
NJU3503L
NJU3503M
s FEATURES
q Internal Program ROM
2048 X 8 bits
q Internal Data RAM
128 X 4 bits
q Input / Output Port
20 lines(MAX) / NJU3503L
20 lines(MAX) / NJU3503M
12 lines ⋅⋅⋅ Input / Output direction of each bit is selected by the mask option.
8 lines ⋅⋅⋅ Input / Output direction of each bit can be changed by the program.
Additional functions by the mask option.
External Interrupt Terminal
: EXTI/PF0
External Clock Input Terminal for Timer2
: CNTI/PF1
Serial Interface Terminals
: SDO/PL0, SDI(O)/PG1
A/D Converter Interface Terminals
q High Output-Current terminal (11 lines)
: ADCK/PC0,VREF/PC1,AIN0−3/PD0−3,AIN4−5/PE0−1
: PA0−PA3, PD0−PD3, PE0−PE2
N-Channel FET Open Drain Type (IOL) 15mA at VDD=5V
q Instruction Set
59 instructions
q Subroutine Nesting
8 levels
q Pulse Edge Detector
The rising or falling edge of a pulse is selected by the mask option.
q Instruction Executing Time
q Operating Frequency Range
q Internal Oscillator
6/fOSC sec (1.5µsec at 4MHz)
30kHz − 4MHz
CR, or Ceramic, or X'tal oscillation and External clock input
q STANDBY function (HALT mode)
q Wide operating voltage range
q 8-bit Serial Input / Output port
2.4V − 5.5V
q Timer/Counter
(Timer1 : 8-bit re-load type timer, Timer2 : 8-bit re-load type timer event counter )
(Count clock : Timer1’s clock is an internal one. Timer2’s clock is an internal or external one.)
q 8-bit A/D converter (Multiplexed 6-channel input )
q Interrupt factor
4 (external, timer1, timer2, serial Input / Output)
q C-MOS technology
q Package outline
SDIP28 / SDMP30
11/May/2001
-1-
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