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LC87F0808A Datasheet

8-bit 1-chip Microcontroller

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Ordering number : ENA1892581
LC87F0808A
CMOS IC
8K-byte FROM and 256-byte RAM integrated
8-bit 1-chip Microcontroller
http://onsemi.com
Overview
The LC87F0808A is an 8-bit microcomputer that, centered around a CPU running at a minimum bus cycle time of
50.0ns, integrates on a single chip a number of hardware features such as 8K-byte flash ROM (On-board-
programmable), 256-byte RAM, an On-chip-debugger, sophisticated 16-bit timers/counters (may be divided into 8-bit
timers), a 16-bit timer/counter (may be divided into 8-bit timers/counters or 8-bit PWMs), two 8-bit timers with
a prescaler, a base timer serving as a time-of-day clock, a high-speed clock counter, a synchronous SIO interface,
an asynchronous/synchronous SIO interface, a UART interface (full duplex), motor control PWM , a 10/8-bit 10-
channel AD converter, a system clock frequency divider, an internal reset and a 21-source 10-vector interrupt feature.
This microcomputer is suitable for small motor control equipment.
Features
Flash ROM
Capable of On-board-programming with wide range (3.3 to 5.5V) of voltage source.
Block-erasable in 128 byte units
Writable in 2-byte units
8192 × 8 bits
RAM
256 × 9 bits
Minimum Bus Cycle
50.0ns (20MHz at VDD=3.3V to 5.5V)
Note: The bus cycle time here refers to the ROM read speed.
* This product is licensed from Silicon Storage Technology, Inc. (USA).
Semiconductor Components Industries, LLC, 2013
May, 2013
Ver.1.00
91510HKIM 20100823-S00001 No.A1828-1/25


  ON Semiconductor Electronic Components Datasheet  

LC87F0808A Datasheet

8-bit 1-chip Microcontroller

No Preview Available !

LC87F0808A
Ports
Normal withstand voltage I/O ports
Ports I/O direction can be designated in 1-bit units
Ports I/O direction can be designated in 4-bit units
Dedicated oscillator ports/input ports
Reset pin
On-chip Debugger pin
Power pins
20 (P1n, P20, P21, P30 to P35, P70 to P73)
8 (P0n)
2 (CF1/XT1, CF2/XT2)
1 (RES)
1 (OWP0)
4 (VSS1, VSS2, VDD1, VDD2)
Timers
Timer 0: 16-bit timer/counter with a capture register.
Mode 0: 8-bit timer with an 8-bit programmable prescaler (with an 8-bit capture register) × 2 channels
Mode 1: 8-bit timer with an 8-bit programmable prescaler (with an 8-bit capture register)
+ 8-bit counter (with an 8-bit capture register)
Mode 2: 16-bit timer with an 8-bit programmable prescaler (with a 16-bit capture register)
Mode 3: 16-bit counter (with a 16-bit capture register)
Timer 1: 16-bit timer/counter that supports PWM/toggle outputs
Mode 0: 8-bit timer with an 8-bit prescaler (with toggle outputs) + 8-bit timer/
counter with an 8-bit prescaler (with toggle outputs)
Mode 1: 8-bit PWM with an 8-bit prescaler × 2 channels
Mode 2: 16-bit timer/counter with an 8-bit prescaler (with toggle outputs)
(toggle outputs also possible from the lower-order 8 bits)
Mode 3: 16-bit timer with an 8-bit prescaler (with toggle outputs)
(The lower-order 8 bits can be used as PWM)
Timer 6: 8-bit timer with a 6-bit prescaler (with toggle outputs)
Timer 7: 8-bit timer with a 6-bit prescaler (with toggle outputs)
Base timer
1) The clock is selectable from the subclock (32.768kHz crystal oscillation), system clock, and timer 0 prescaler
output.
2) Interrupts are programmable in 5 different time schemes
3) The base timer is unavailable when the CF oscillator circuit is selected
SIO
SIO0: 8-bit Synchronous serial interface
1) LSB first/MSB first mode selectable
2) Built-in 8-bit baudrate generator (maximum transfer clock cycle=4/3tCYC)
SIO1: 8-bit asynchronous/synchronous serial interface
Mode 0: Synchronous 8-bit serial I/O (2- or 3-wire configuration, 2 to 512 tCYC transfer clocks)
Mode 1: Asynchronous serial I/O (half-duplex, 8 data bits, 1 stop bit, 8 to 2048 tCYC baudrates)
Mode 2: Bus mode 1 (start bit, 8 data bits, 2 to 512 tCYC transfer clocks)
Mode 3: Bus mode 2 (start detect, 8 data bits, stop detect)
UART
Full Duplex
7/8/9 bit data bits selectable
• 1 Stop bit (2 bits in continuous data transmission)
Built-in baudrate generator
AD Converter: 10 bits/8 bits × 10 channels (internal: 2 channels)
10/8 bits AD converter resolution selectable
Auto start function (It links an interrupt factor of MCPWM)
No.A1828-2/25


Part Number LC87F0808A
Description 8-bit 1-chip Microcontroller
Maker ON Semiconductor
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