8-Bit Single Chip Microcontroller
Ordering number : ENN*6714
CMOS IC
LC875064B/56B/48B
8-Bit Single Chip Microcontroller with 64/56/48K-Byte EPROM and 2...
Description
Ordering number : ENN*6714
CMOS IC
LC875064B/56B/48B
8-Bit Single Chip Microcontroller with 64/56/48K-Byte EPROM and 2048-Byte RAM On Chip
Preliminary Overview
The LC875064B/56B/48B microcontroller is 8-bit single chip microcontroller with the following on-chip functional blocks: - CPU: Operable at a minimum bus cycle time of 100ns - 64K/56K/48K bytes ROM - 2048 byte RAM - two high performance 16 bit timer/counters (can be divided into 8 bit units) - two 8 bit timers with prescalers - timer for use as date/time clock - one synchronous serial I/O ports (with automatic block transmit/receive function) - one asynchronous/synchronous serial I/O port - 12-bit PWM × 2 - 3-channel × 8-bit AD converter - high speed 8-bit parallel interface - 16-source 10-vectored interrupt system All of the above functions are fabricated on a single chip.
Features
(1) Read Only Memory (ROM) - 65535 × 8 bits (LC875064B) - 57343 × 8 bits (LC875056B) - 49151 × 8 bits (LC875048B)
Ver.1.03 12500
91400 RM (IM) HK / SY No.6714-1/26
LC875064B/56B/48B (2) Random Access Memory (RAM) - 2048 × 8 bits (LC875064B/56B/48B) (3) Bus Cycle Time - 100ns (10MHz) Note: The bus cycle time indicates ROM read time. (4) Minimum Instruction Cycle Time : 300ns (10MHz)
(5) Ports - Input/output ports Each bit data direction programmable Nibble data direction programmable - Input ports - PWM Output ports - Oscillator pins - Reset pin - Power supply
51 (P1n, P2n, P70 to P73, P80 to P82, PA2 to PA5, PBn, PCn) 8 (P0n) 2 (XT1...
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