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LC87F2832A Datasheet(PDF) 4 Page - Sanyo Semicon Device

Part No. LC87F2832A
Description  CMOS IC FROM 32K byte, RAM 1024 byte on-chip 8-bit 1-chip Microcontroller
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Maker  SANYO [Sanyo Semicon Device]
Homepage  http://www.ssdc-jp.com/eng/
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LC87F2832A Datasheet(HTML) 4 Page - Sanyo Semicon Device

 
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LC87F2832A
No.A0478-4/27
Oscillation Circuits
• RC oscillation circuit (internal):
For system clock
• CF oscillation circuit:
For system clock, with internal Rf
• Crystal oscillation circuit:
For low-speed system clock, with internal Rf
• Frequency variable RC oscillation circuit (internal): For system clock
1) Adjustable in ±4% (typ) step from a selected center frequency.
2) Measures oscillation clock using a input signal from XT1 as a reference.
System Clock Divider Function
• Can run on low current.
• The minimum instruction cycle selectable from 300ns, 600ns, 1.2µs, 2.4µs, 4.8µs, 9.6µs, 19.2µs, 38.4µs,
and 76.8
µs (at a main clock rate of 10MHz).
Standby Function
• HALT mode: Halts instruction execution while allowing the peripheral circuits to continue operation.
1) Oscillation is not halted automatically.
2) Canceled by a system reset or occurrence of an interrupt
• HOLD mode: Suspends instruction execution and the operation of the peripheral circuits.
1) The CF, RC, X’tal, and frequency variable RC oscillators automatically stop operation.
2) There are three ways of resetting the HOLD mode.
(1) Setting the reset pin to the low level.
(2) Setting at least one of the INT0, INT1, INT2, INT4, and INT5 pins to the specified level
(3) Having an interrupt source established at port 0
• X'tal HOLD mode: Suspends instruction execution and the operation of the peripheral circuits except the base timer.
1) The CF, RC, and frequency variable RC oscillators automatically stop operation.
2) The state of crystal oscillation established when the X'tal HOLD mode is entered is retained.
3) There are four ways of resetting the X'tal HOLD mode.
(1) Setting the reset pin to the low level
(2) Setting at least one of the INT0, INT1, INT2, INT4, and INT5 pins to the specified level
(3) Having an interrupt source established at port 0
(4) Having an interrupt source established in the base timer circuit
On-chip Debugger
• Supports software debugging with the IC mounted on the target board (LC87D2832A).
LC87F2832A has a On-chip debugger but its function is limited.
Package Form
• TQFP64J (7 × 7):
Lead-free type
• FLGA68K (6.0 × 6.0): Lead-free type
• FLGA64 (5.0 × 5.0):
Lead-free type
Development Tools
• On-chip debugger: TCB87- TypeB + LC87D2832A
Programming Boards
Package
Programming boards
TQFP64J (7
×7)
W87F58256TQ7
FLGA68K (6.0
×6.0)
W87F58256FL6 * This board is Built To Order. It may take about a month to deliver.
FLGA64 (5.0
×5.0)
W87F59256FL5 * This board is Built To Order. It may take about a month to deliver.
Flash ROM Programmer
Maker
Model
Supported version (Note)
Device
Flash Support Group, Inc.
(Formerly Ando Electric Co., Ltd.)
AF9708/AF9709/
AF9709B
After 02.57
LC87F2832A
SANYO
SKK (SANYO FWS)
Application Version: After 1.03
Chip Data Version: After 2.03
LC87F2832A
Note: Please check the latest version.


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