LC875032A

Ordering number : ENN*6713 CMOS IC LC875032A/24A/16A 8-Bit Single Chip Microcontroller with 32/24/16K-Byte EPROM and 640-Byte RAM On Chip Preliminary Overview The LC875032A/24A/16A microcontroller is 8-bit single chip microcontroller with the following on-chip functional blocks: - CPU: Operable at a minimum bus cycle time of 100ns - 32K/24K/16K bytes ROM - 640 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) - 32512 × 8 bits (LC875032A) - 24576 × 8 bits (LC875024A) - 16256 × bits (LC875016A) Ver.1.03 90198 91400 RM (IM) HK / SY No.6713-1/25 LC875032A/24A/16A (2) Random Access Memory (RAM) - 640 × 9 bits (LC875032A/24A/16A) (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,XT2)...