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LC876964C Dataheets PDF



Part Number LC876964C
Manufacturers Sanyo Electric
Logo Sanyo Electric
Description (LC876964C/56C/48C) 8-Bit Single Chip Microcontroller
Datasheet LC876964C DatasheetLC876964C Datasheet (PDF)

w a D . LC876964C w w 8-bit Single Chip Microcontroller incorporating 64KB ROM and 2048 byte RAM on chip LC876956C LC876948C Overview 8-bit Single Chip Microcontroller incorporating 56KB ROM and 2048 byte RAM on chip Under-Development S a t e e h U 4 t m o .c CMOS IC LC876964C/56C/48C 8-Bit Single Chip Microcontroller 8-bit Single Chip Microcontroller incorporating 48KB ROM and 2048 byte RAM on chip The LC876964C/56C/48C are 8 bit single chip microcomputers with the following on-chip f.

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w a D . LC876964C w w 8-bit Single Chip Microcontroller incorporating 64KB ROM and 2048 byte RAM on chip LC876956C LC876948C Overview 8-bit Single Chip Microcontroller incorporating 56KB ROM and 2048 byte RAM on chip Under-Development S a t e e h U 4 t m o .c CMOS IC LC876964C/56C/48C 8-Bit Single Chip Microcontroller 8-bit Single Chip Microcontroller incorporating 48KB ROM and 2048 byte RAM on chip The LC876964C/56C/48C 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: LC876964C 64K bytes LC876956C 56K bytes LC876948C 48K 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 channels) - Four 8-bit timers 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 - Two 12-bit PWM channels - 14-channel × 8-bit AD converter - Weak signal detector - 22-source 10-vectored interrupt system All of the above functions are fabricated on a single chip. w w w t a .D S a e h U 4 t e .c m o Ver:1.03 S0204 September 02, 2004 SYSTEM-BIZ Div. w w w .D a S a t e e h U 4 t m o .c T.Kawata 1/27 LC876964C/56C/48C Features (1) Read-Only Memory (ROM): LC876964C LC876956C LC876948C 65536 × 8bits 57344 × 8bits 49152 × 8bits (LC876980B/72B/64B) (2) Random Access Memory (RAM): 2048 × 9 bits (3) Minimum Bus Cycle Time: 100ns (10MHz) VDD=3.0 ~ 5.5[V] 250ns (4MHz) VDD=2.5 ~ 3.0[V] Note: The bus cycle time indicates ROM read time. (4) Minimum Instruction Cycle Time(tCYC): 300ns (10MHz) 750ns (4MHz) VDD=3.0 ~ 5.5[V] VDD=2.5 ~ 3.0[V] (5) Ports - Input/output ports Data direction programmable for each bit individually : Oscillator - 14V 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 (Oscillator) : - 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 : - VFD power supply : 24 (P1n, P70 to P73, P8n, P36, P37, PWM2, PWM3) 1 (XT2) 8 (P0n) be input in bit units.) 4 (P32 to P35) 1 (XT1) 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 VSS2, VDD1 to VDD4) 1 (VP) (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 2/27 LC876964C/56C/48C (8) Timers - Timer 0: 16-bit timer / counter with capture register Mode 0: 2 channel 8-bit timer with programmable 8-bit prescaler and 8-bit capture register Mode 1: 8-bit timer with 8-bit programmable prescaler and 8-bit capture register + 8-bit Counter with 8-bit capture register Mode 2: 16-bit timer with 8-bit programmable prescaler and 16-bit capture register Mode 3: 16-bit counter with 16-bit capture register - Timer 1: PWM / 16-bit timer / counter with toggle output Mode 0: 8-bit timer with 8-bit prescaler (and toggle output) + 8-bit timer / counter with 8-bit prescaler (and toggle output) Mode 1: 2 channel 8-bit PWM with 8-bit prescaler Mode 2: 16-bit timer / counter with 8-bit prescaler (and toggle output) (Toggle output also possible using the lower order 8 bits) Mode 3: 16-bit timer with 8-bit prescaler (and toggle output) (The lower order 8-bit can be used as PWM output) Timer Timer Timer Timer 4: 5: 6: 7: 8-bit 8-bit 8-bit 8-bit timer timer timer timer with with with with 6 bit prescaler 6 bit prescaler 6-bit prescaler (and toggle output) 6-bit prescaler (and toggle output) - Base Timer 1) The clock signal can be selected from any of the following. Sub-clock (32.768kHz crystal oscillator), system clock, and prescaler output from timer 0 2) Interrupts can be selected to occur at one of five different times. (9) High speed clock counter 1) Capable of counting maximum: 20MHz clock (Using main clock 10MHz) 2) Real time output (10) Serial-interface - SIO 0: 8-bit synchronous serial Interface 1) LSB first / MSB first function available 2) Internal 8-bit baud-rate generator (maximum transmit clock period 4/3 Tcyc) 3) Consecutive automatic data communication (1 ~ 256 bits (communication available for each bit) (stop and reopening availabl.


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