LC876124A Datasheet | SANYO

Overview The LC876132A/24A/16A are 8 bit single chip microcontrollers with the following on-chip functional blocks : - CPU: operable at a minimum bus cycle time of 100ns - On-chip ROM Maximum Capacity : LC876132A 32K bytes LC876124A 24K bytes LC876116A 16K bytes - On-chip RAM: 768 bytes - VFD automatic display controller / driver - 16 bit timer / counter (can be divided into two 8 bit timers) - 16 bit timer / PWM (can be divided into two 8 bit timers) - System clock divider function - Synchronous serial I/O port (with automatic block transmit / receive function) - Asynchronous / synchronous serial I/O port - 10-channel × 8-bit AD converter - 13-source 10-vectored interrupt system All of the above functions are fabricated on a single chip. Package Dimensions unit: mm 3174A [ LC876132A/24A/16A ] Ver.1.01 70201 22504 TN IM NO No.7373-1/17 .. LC876132A/24A/16A Features (1) Read-Only Memory (ROM): LC876132A LC876124A LC876116A 32768 × 8 bits 24576 × 8 bits 16384 × 8 bits 768 × 9 bits (2) Random Access Memory (RAM): LC876132A/24A/16A (3) Minimum Bus Cycle Time: 100 ns (10MHz) Note: The bus cycle time indicates ROM read time. (4) Minimum Instruction Cycle Time: 300 ns (10MHz) (5) Ports - Input / output ports Data direction programmable for each bit individually : 12 (P1n, P70 to P73) Data direction programmable in nibble unit : 8 (P0n) (When N-channel open drain output is selected, data can be input in bit unit.) - VFD output ports Large current outputs for digits : 9 (S0 / T0 to S8 / T8) Large current outputs for digits / segments : 7 (S9 / T9 to S15 / T15) Digit / segment outputs : 8 (S16 to S23) Segment outputs : 28 (S24 to S51) Other functions Input ports : 16 (PCn, PDn) Output ports : 8 (PFn) Input / output ports : 4 (PGn) - Oscillator pins : 2 (CF1, CF2) - Reset pin : 1 (RES) - Power supply : 4 (VSS1, VDD1 to 3) - VFD power supply : 1 (VP) (6) VFD automatic display controller - Programmable segment / digit output pattern Output can be switched between digit...