LC876796B Datasheet | SANYO

Overview The LC876796B/ LC876780B/ LC876772B are 8 bit single chip microputers with the following on-chip functional blocks: - CPU: operable at a minimum bus cycle time of 100ns - On-chip ROM Maximum Capacity : LC876796B 96K bytes LC876780B 80K bytes LC876772B 72K bytes - On-chip RAM: 2048 bytes - VFD automatic display controller / driver - 16 bit timer / counter (can be divided into two 8 bit timers) - 16 bit timer / counter (can be divided into two 8 bit timers / two 8 bit PWM) - four 8 bit timer with prescaler - timer for use as date / time clock - High speed clock counter - System clock divider function - synchronous serial I/O port (with automatic block transmit / receive function) - asynchronous / synchronous serial I/O port - 14-channel × 8-bit AD converter - Weak signal detector - 21-source 10-vectored interrupt system All of the above functions are fabricated on a single chip. .. Ver:1.06 M2003 May 20, 2003 SYSTEM-BIZ Div. S.Kubota 1/26 LC876796B/80B/72B Features (1) Read-Only Memory (ROM): LC876796B 98304 × 8 bits : LC876780B 81920 × 8 bits : LC876772B 73728 × 8 bits (2) Random Access Memory (RAM): LC876796B/80B/72B (3) Minimum Bus Cycle Time: 100ns (10MHz) Note: The bus cycle time indicates ROM read time. (4) Minimum Instruction Cycle Time (t CYC) : 300ns (10MHz) (5) Ports - Input/output ports Data direction programmable for each bit individually : - 15V withstand input/output ports Data direction programmable in nibble units : (When N-channel open drain output is selected, data can Data direction programmable for each bit individually : - Input ports : - VFD output ports Large current outputs for digits : Large current outputs for digits / segments : digit / segment outputs : segment outputs : Other functions Input/output ports : Input ports : - Oscillator pins : - Reset pin : - Power supply : 2048 × 9 bits 20 (P1n, P70 to P73, P8n) 8 (P0n) be input in bit units.) 8 (P3n) 2 (XT1,XT2) 9 (S0 / T0 to S8 / T8) 7 (S9 / T9 to S15 / T15) 8 (S16 to S23)...