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LC877256A 데이터시트(PDF) 2 Page - Sanyo Semicon Device

부품명 LC877256A
상세설명  8-Bit Single Chip Microcontroller with 64/56/48 KB ROM and 2048-Byte RAM On Chip
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제조업체  SANYO [Sanyo Semicon Device]
홈페이지  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

LC877256A 데이터시트(HTML) 2 Page - Sanyo Semicon Device

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LC877264A/56A/48A
No.6719-2/24
Features
(1) Read-Only Memory (ROM)
- 65536
× 8bits (LC877264A)
- 57344
× 8bits (LC877256A)
- 49152
× 8bits (LC877248A)
(2) Random Access Memory (RAM): 2048
× 9 bits (LC877264A, LC877256A, LC877248A)
(3) Minimum Bus Cycle Time: 100 ns (10 MHz)
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 :
26 (P1n, P30-P35, P70-P73, P8n)
Data direction programmable in nibble units :
8 (P0n)
(When N-channel open drain output is selected, data can be input in bit units.)
- Input ports :
2 (XT1,XT2)
- LCD ports
Segment output :
48 (S00-S47)
Common output :
4 (COM0-COM3)
Bias terminals for LCD driver
3 (V1-V3)
Other functions
Input/output ports :
48(PAn,PBn,PCn,PDn,PEn,PFn)
Input ports :
7 (PLn)
- Oscillator pins :
2 (CF1,CF2)
- Reset pin :
1 (RES )
- Power supply :
6 (VSS1-3,VDD1-3)
(6) LCD controller
- Seven display modes are available (static, 1/2, 1/3, 1/4 duty
× 1/2, 1/3 bias)
- Segment output and common output can be switched to general purpose input/output ports.
(7) Small signal detection (MIC signals etc)
- Counts pulses with the level which is 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 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 with toggle output function
Mode 0: 2 channel 8 bit timer (with toggle output)
Mode 1: 2 channel 8 bit PWM
Mode 2: 16 bit timer (with toggle output) Toggle output from lower 8 bits is also possible.
Mode 3: 16 bit timer (with toggle output) Lower order 8 bits can be used as PWM.


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