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LC877917A 数据表(PDF) 2 Page - Sanyo Semicon Device |
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LC877917A 数据表(HTML) 2 Page - Sanyo Semicon Device |
2 / 29 page LC877917A No.A1840-2/29 Ports • Input/output ports Data direction programmable for each bit individually: 21 (P0n, P1n, P30, P70-P73) Other function LCD ports (segment output): 8 (P1n) • LCD ports & General I/O ports Segment output: 32 (S00-S31) Common output: 4 (COM0-COM3) Bias terminals for LCD driver 5 (V1-V3, CUP1, CUP2) Other functions Input/output ports: 36 (LPAn, LPBn, LPCn, LPLn, P1n) • Oscillator pins: 4 (CF1, CF2, XT1, XT2) • Reset pin: 1 (RES) • Power supply: 5 (VSS1-2, VDD1-2, V2) 1 (VDC) LCD Controller (1) Seven display modes are available (2) Duty 1/3duty, 1/4duty (3) Bias 1/2bias, 1/3bias (4) Segment output can be switched to general purpose input/output ports. (5) LCD frame rate frequency: 16 to 85.3Hz (programmable) (6) LCD power range 1) 1/3bias V1 : 1.2V to 1.8V V2 : 2.4V to 3.6V V3 : 3.6V to 5.4V Please use the LCD panel for V2 (=VDD)× 1.5[V], when you select 1/3bias. For example, if the power supply voltage is 3.0V, the LCD panel must be 4.5V. 2) 1/2bias V1 : 1.2V to 1.8V V2 : 2.4V to 3.6V V3 : 2.4V to 3.6V (connect V2 and V3) Please use the LCD panel for V2 (=VDD)[V], when you select 1/3bias. For example, if the power supply voltage is 3.0V, the LCD panel must be 3.0V. 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 function Mode 0: 2 channel 8 bit timer/ counter (with toggle output) Mode 1: 2 channel 8 bit PWM Mode 2: 16 bit timer/ counter (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. • Timer 4: 8-bit timer with 6-bit prescaler • Timer 5: 8-bit timer with 6-bit prescaler • Timer 6: 8-bit timer with 6-bit prescaler (with toggle output) • Timer 7: 8-bit timer with 6-bit prescaler (with toggle output) • Base Timer (1) The clock signal can be selected from any of the following: Sub-clock (32.768kHz crystal oscillator / Slow RC oscillation), system clock, and prescaler output from timer 0. (2) Interrupts of five different time intervals are possible. |
类似零件编号 - LC877917A |
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类似说明 - LC877917A |
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