LC87F2H08A 1-chip Microcontroller Datasheet

LC87F2H08A Datasheet, PDF, Equivalent


Part Number

LC87F2H08A

Description

8-bit 1-chip Microcontroller

Manufacture

ON Semiconductor

Total Page 27 Pages
Datasheet
Download LC87F2H08A Datasheet


LC87F2H08A
OOrdrdeerirninggnnuummbbeerr::EENNAA01997501B
LC87F2H08A
CMOS IC
8K-byte FROM and 256-byte RAM integrated
8-bit 1-chip Microcontroller
http://onsemi.com
Overview
The LC87F2H08A is an 8-bit microcomputer that, centered around a CPU running at a minimum bus cycle time of
83.3ns, 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), two 12-bit PWM channels, a 12/8-bit
9-channel AD converter, a system clock frequency divider, an internal reset and a 20-source 10-vector interrupt
feature.
Features
Flash ROM
Capable of on-board programming with a wide range (2.2 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
83.3ns (12MHz at VDD=2.7V to 5.5V)
100ns (10MHz at VDD=2.2V to 5.5V)
250ns (4MHz at VDD=1.8V 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.1.01
61808HKIM 20080603-S00001 No.A0970-1/27

LC87F2H08A
Minimum Instruction Cycle Time
250ns (12MHz at VDD=2.7V to 5.5V)
300ns (10MHz at VDD=2.2V to 5.5V)
750ns (4MHz at VDD=1.8V to 5.5V)
LC87F2H08A
Ports
Normal withstand voltage I/O ports
Ports whose I/O direction can be designated in 1-bit units 16 (Pin, P20, P21, P30, P31, P70 to P73)
Ports whose I/O direction can be designated in 4-bit units 8 (P0n)
Dedicated oscillator ports/input ports
2 (CF1/XT1, CF2/XT2)
Reset pin
1 (RES)
Power pins
3 (VSS1, VSS2, VDD1)
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
High-Speed Clock Counter
Can count clocks with a maximum clock rate of 20MHz (at a main clock of 10MHz).
Can generate output real time.
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: 12 bits/8 bits × 9 channels
12/8 bits AD converter resolution selectable
No.A0970-2/27


Features OOrdrdeerirninggnnuummbbeerr::EENNAA0199 7501B LC87F2H08A CMOS IC 8K-byte FROM a nd 256-byte RAM integrated 8-bit 1-chip Microcontroller http://onsemi.com Ov erview The LC87F2H08A is an 8-bit micro computer that, centered around a CPU ru nning at a minimum bus cycle time of 83 .3ns, integrates on a single chip a num ber of hardware features such as 8K-byt e flash ROM (On-boardprogrammable), 256 -byte RAM, an On-chip-debugger, sophist icated 16-bit timers/counters (may be d ivided into 8-bit timers), a 16-bit tim er/counter (may be divided into 8-bit t imers/counters or 8-bit PWMs), two 8-bi t 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), two 12-bit PWM channels, a 12/ 8-bit 9-channel AD converter, a system clock frequency divider, an internal re set and a 20-source 10-vector interrupt feature. Features Flash ROM • Capable of on-board programming.
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