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LC87F7DJ2C Datasheet

8-bit 1-chip Microcontroller

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Ordering number : ENA1872A
LC87F7DJ2C
CMOS IC
FROM 192K byte, RAM 8K byte on-chip
8-bit 1-chip Microcontroller
http://onsemi.com
Overview
The LC87F7DJ2C is an 8-bit microcomputer that, centered around a CPU running at a minimum bus cycle time of
50ns, integrates on a single chip a number of hardware features such as 192K-byte flash ROM (onboard
programmable), 8K-byte RAM, an on-chip debugger, a LCD controller/driver, sophisticated 16-bit timer/counter
(may be divided into 8-bit timers), a 16-bit timer/counter (may be divided into 8-bit timers/counters or 8-bit PWMs),
four 8-bit timers with a prescaler, a 16-bit timer with a prescaler (may be divided into 8-bit timers), a base timer
serving as a time-of-day clock, a day and time counter, a synchronous SIO interface (with automatic block
transmission/reception capabilities), an asynchronous/synchronous SIO interface, two UART ports (full duplex), an
12-bit 15-channel AD converter, two 12-bit PWM channels, a high-speed clock counter, a system clock frequency
divider, a small signal detector, two remote control receive functions, and a 31-source 10-vector interrupt feature.
Features
Flash ROM
Capable of on-board-programming with wide range, 3.0 to 3.6V, of voltage source.
Block-erasable in 2-byte units
196608 × 8 bits
RAM
8192 × 9 bits
Minimum Bus Cycle Time
50.0ns (20MHz)
VDD=2.7 to 3.6V
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.1.04
N2812HKIM 201111213-S00001 No.A1872-1/26


  ON Semiconductor Electronic Components Datasheet  

LC87F7DJ2C Datasheet

8-bit 1-chip Microcontroller

No Preview Available !

Minimum Instruction Cycle Time (tCYC)
150ns (20MHz)
VDD=2.7 to 3.6V
LC87F7DJ2C
Ports
Normal withstand voltage I/O ports
Ports whose I/O direction can be designated in 1 bit units 29 (P0n, P1n, P70 to P73, P8n, XT2)
Normal withstand voltage input port
1 (XT1)
LCD ports
Segment output
54 (S00 to S53)
Common output
4 (COM0 to COM3)
Bias terminals for LCD driver
3 (V1 to V3)
Other functions
Input/output ports
54 (P3n, PAn, PBn, PCn, PDn, PEn, PFn,)
Input ports
7 (PLn)
Dedicated oscillator ports
2 (CF1, CF2)
Reset pin
1 (RES)
Power pins
6 (VSS1 to VSS3, VDD1 to VDD3)
LCD Controller
1) Seven display modes are available (static, 1/2, 1/3, 1/4 duty × 1/2, 1/3 bias)
2) Segment output and common output can be switched to general-purpose input/output ports
Small Signal Detection (MIC signals etc)
1) Counts pulses with the level which is greater than a preset value
2) 2-bit counter
Timers
Timer 0: 16-bit timer/counter with two capture registers.
Mode 0: 8-bit timer with an 8-bit programmable prescaler (with two 8-bit capture registers) × 2 channels
Mode 1: 8-bit timer with an 8-bit programmable prescaler (with two 8-bit capture registers)
+ 8-bit counter (with two 8-bit capture registers)
Mode 2: 16-bit timer with an 8-bit programmable prescaler (with two 16-bit capture registers)
Mode 3: 16-bit counter (with two 16-bit capture registers)
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 4: 8-bit timer with a 6-bit prescaler
Timer 5: 8-bit timer with a 6-bit prescaler
Timer 6: 8-bit timer with a 6-bit prescaler (with toggle output)
Timer 7: 8-bit timer with a 6-bit prescaler (with toggle output)
Timer 8: 16-bit timer
Mode 0: 8-bit timer with an 8-bit prescaler × 2 channels
Mode 1: 16-bit timer with an 8-bit prescaler
Base timer
1) The clock is selectable from the subclock (32.768kHz crystal oscillation), system clock,
and timer 0 prescaler output.
2) Interrupts programmable in 5 different time schemes
Day and time counter
1) Using with a base timer, it can be used as 65000 day + minute + second counter.
No.A1872-2/26


Part Number LC87F7DJ2C
Description 8-bit 1-chip Microcontroller
Maker ON Semiconductor
Total Page 26 Pages
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