LC875164A

Ordering number : ENN*6715 CMOS IC LC875164A/48A/32A 8-Bit Single Chip Microcontroller with 64/48/32K-Byte ROM and 1024-Byte RAM On Chip Preliminary Overview The LC875164A/48A/32A 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/48K/32K bytes ROM - 1024 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 - two synchronous serial I/O ports (with automatic block transmit/receive function) - one asynchronous/synchronous serial I/O port - 12-bit PWM × 2 - 8-channel × 8-bit AD converter - high speed 8-bit parallel interface - 19-source 10-vectored interrupt system All of the above functions are fabricated on a single chip. Features (1) Read Only Memory - 65536 × 8 bits (LC875164A) - 49151 × 8 bits (LC875148A) - 32512 × 8 bits (LC875132A) Ver.1.03 O3098 91400 RM (IM) HK / SY No.6715-1/25 LC875164A/48A/32A (2) Bus Cycle Time - 100ns (10MHz) Note: The bus cycle time indicates ROM read time. (3) Minimum Instruction Cycle Time : 300ns (10MHz) (4) Ports - Input/output ports Each bit data direction programmable Nibble data direction programmable - Input ports - PWM Output ports - Oscillator pins - Reset pin - Power supply 59 8 2 2 2 1 6 (P1n,P2n,P3n,P70 to P73,P8n,PAn,PBn,PCn,S2Pn) (P0n) (XT1,XT2) (PWM0,PWM1) (CF1,CF2) ( RES ) (VSS1 to 3,VDD1 to 3) (5) Timers - Timer...