PIC16C925/926 64/68-Pin CMOS Microcontrollers with LCD Driver High Performance RISC CPU: Analog Features: Only 35 single word instructions to learn 10-bit 5-channel Analog-to-Digital Converter (A/D) All single cycle instructions except for program Brown-out Reset (BOR) branches which are two-cycle Special Microcontroller Features: Operating speed: DC - 20 MHz clock input DC - 200 ns instruction cycle Power-on Reset (POR) Up to 8K x 14-bit words of EPROM program memory, Power-up Timer (PWRT) and Oscillator Start-up 336 bytes general purpose registers (SRAM), Timer (OST) 60 special function registers Watchdog Timer (WDT) with its own on-chip RC Pinout compatible with PIC16C923/924 oscillator for reliable operation Programmable code protection Peripheral Features: Selectable oscillator options 25 I/O pins with individual direction control and In-Circuit Serial Programming (ICSP) via 25-27 input only pins two pins Timer0 module: 8-bit timer/counter with program- Processor read access to program memory mable 8-bit prescaler Timer1 module: 16-bit timer/counter, can be incre- CMOS Technology: mented during SLEEP via external crystal/clock Low power, high speed CMOS/EPROM Timer2 module: 8-bit timer/counter with 8-bit technology period register, prescaler, and postscaler Fully static design One Capture, Compare, PWM module Wide operating voltage range: 2.5V to 5.5V Synchronous Serial Port (SSP) module with Commercial and Industrial temperature ranges two modes of operation: Low power consumption - 3-wire SPI (supports all 4 SPI modes) 2 -I C Slave mode Programmable LCD timing module: - Multiple LCD timing sources available - Can drive LCD panel while in SLEEP mode - Static, 1/2, 1/3, 1/4 multiplex - Static drive and 1/3 bias capability - 16 bytes of dedicated LCD RAM - Up to 32 segments, up to 4 commons Common Segment Pixels 132 32 231 62 330 90 429 116 2001-2013 Microchip Technology Inc. Preliminary DS39544B-page 1PIC16C925/926 Pin Diagrams PLCC, CLCC RA4/T0CKI 10 60 RD5/SEG29/COM3 11 59 RA5/AN4/SS RG6/SEG26 RB1 12 58 RG5/SEG25 13 RB0/INT 57 RG4/SEG24 RC3/SCK/SCL 14 56 RG3/SEG23 15 55 RC4/SDI/SDA RG2/SEG22 RC5/SDO 16 54 RG1/SEG21 C1 17 53 RG0/SEG20 C2 18 52 PIC16C92X RG7/SEG28 VLCD2 19 51 RF7/SEG19 VLCD3 20 50 RF6/SEG18 AVDD 21 49 RF5/SEG17 VDD 22 48 RF4/SEG16 VSS 23 47 RF3/SEG15 OSC1/CLKIN 24 46 RF2/SEG14 OSC2/CLKOUT 25 45 RF1/SEG13 26 RC0/T1OSO/T1CKI 44 RF0/SEG12 LEGEND: Input Pin Output Pin Input/Output Pin Digital Input/LCD Output Pin LCD Output Pin DS39544B-page 2 Preliminary 2001-2013 Microchip Technology Inc. 9 RA3/AN3/VREF+ RC1/T1OSI 27 8 RC2/CCP1 28 RA2/AN2/VREF- 7 VSS VLCD1 29 VLCDADJ 30 6 RA1/AN1 5 RA0/AN0 RD0/SEG00 31 4 RD1/SEG01 32 RB2 RB3 RD2/SEG02 33 3 2 MCLR/VPP RD3/SEG03 34 1 N/C RD4/SEG04 35 68 RB4 RE7/SEG27 36 RB5 RE0/SEG05 37 67 RB7 RE1/SEG06 38 66 RB6 RE2/SEG07 65 39 64 VDD RE3/SEG08 40 63 COM0 RE4/SEG09 41 RD7/SEG31/COM1 RE5/SEG10 42 62 RD6/SEG30/COM2 61 RE6/SEG11 43