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LC6529N Datasheet

  • LC6529N

  • 4-Bit Microcomputer for Small-Scale Control Applications

  • 39頁

  • SANYO

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Ordering number : EN*5117
CMOS LSI
LC6529N, LC6529F, LC6529L
4-Bit Microcomputer
for Small-Scale Control Applications
Preliminary
Overview
The LC6529N/F/L provides the basic architecture and
instruction set of the Sanyo LC6500 Series of 4-bit single-
chip microcomputers in a version specially for small-scale
control applications involving circuits built with standard
logic elements, applications using simple, comparator-
based voltage or phase detectors, or other applications
controlling a limited number of controls. The LC6529F is
a replacement for the former LC6529H. (Certain functions
differ, however.) The N (medium-speed) and L (power-
saving) versions are new additions to the lineup.
鈥?Choice of clock oscillator options to match system
specifications
鈥?Oscillator circuit options: 2-pin RC oscillator circuit
(N and L versions) or 2-pin ceramic oscillator circuit
(N, F, and L versions)
鈥?Frequency divider options: Built-in 1/3 and 1/4
frequency dividers that eliminate the need for
external frequency dividers
Features
鈥?Power-saving CMOS design (Standby mode accessed
with HALT instruction included.)
鈥?Memory: 1 kilobyte of 8-bit ROM and 64 words of 4-bit
RAM
鈥?Instruction set: 51-member subset of LC6500 standard
complement of 80 instructions
鈥?(L version) Wide range of operating voltages:
2.2 to 6.0 V
鈥?(F version) 0.92 碌s/3.0 V instruction cycle time
鈥?Flexible I/O ports
Four ports with up to 16 lines
鈥?Bidirectional I/O ports: 12
Dedicated input ports: 4 (These double as
comparator inputs.)
鈥?I/O voltage limit: max. +15 V (open-drain
configuration)
鈥?Output current: max. 20 mA sink current (capable of
directly driving an LED)
Choice of options to match system specifications
鈥?Choice of open-drain or pull-up resistor output
configurations at the bit level for all ports
鈥?Choice of reset output levels for Ports C and D in
groups of 4 bits each
Port E configurable as four comparator inputs
鈥?Stack: Four levels
鈥?Timers: 4-bit prescaler plus 8-bit programmable counter
鈥?Comparators: 4 channels (2 reference levels)
Separator reference level for each channel pair
鈥?Feedback resistor option for choice of input with or
without hysteresis
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
92995HA (OT) No. 5117-1/39

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