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LC876796B Dataheets PDF



Part Number LC876796B
Manufacturers Sanyo Electric
Logo Sanyo Electric
Description (LC876772B/80B86B) 8_bit Signal Chup Microcontroller
Datasheet LC876796B DatasheetLC876796B Datasheet (PDF)

( DataSheet : www.DataSheet4U.com ) CMOS IC LC876796B/80B/72B 8-Bit Single Chip Microcontroller LC876796B 8 bit Single Chip Microcontroller incorporating 96KB ROM and 2048 byte RAM on chip LC876780B 8 bit Single Chip Microcontroller incorporating 80KB ROM and 2048 byte RAM on chip LC876772B 8 bit Single Chip Microcontroller incorporating 72KB ROM and 2048 byte RAM on chip Overview The LC876796B/ LC876780B/ LC876772B are 8 bit single chip microcomputers with the following on-chip functional.

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( DataSheet : www.DataSheet4U.com ) CMOS IC LC876796B/80B/72B 8-Bit Single Chip Microcontroller LC876796B 8 bit Single Chip Microcontroller incorporating 96KB ROM and 2048 byte RAM on chip LC876780B 8 bit Single Chip Microcontroller incorporating 80KB ROM and 2048 byte RAM on chip LC876772B 8 bit Single Chip Microcontroller incorporating 72KB ROM and 2048 byte RAM on chip Overview The LC876796B/ LC876780B/ LC876772B are 8 bit single chip microcomputers 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. www.DataSheet4U.com 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 (tCYC) : 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) 28 (S24 to S51) 12 (PFn, PG0 to PG3) 24 (PCn, PDn, PEn) 2 (CF1,CF2) 1 (RES#) 6 (VSS1 to 2, VDD1 to 4) (6) VFD automatic display controller - Programmable segment/digit output pattern Output can be switched between digit/segment waveform output (pins 9 to 24 can be used for output of digit waveforms). parallel-drive available for large current VFD. - 16-step dimmer function available (7) Weak signal detection (MIC signals etc) - Counts pulses with width greater than a preset value - 2 bit counter (8) Timers - Timer 0: 16 bit timer / counter with capture register Mode 0: 2 channel 8-bit timer wi.


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