PIC16C557 PIC16C557 PIC16C554/558 PIC16C554/558 PIC16C55X EPROM-Based 8-Bit CMOS Microcontrollers Devices Included in this Data Sheet: Pin Diagram Referred to collectively as PIC16C55X. PDIP, SOIC, Windowed CERDIP PIC16C554 RA2 1 18 RA1 PIC16C557 2 17 RA0 RA3 RA4/T0CKI 3 16 OSC1/CLKIN PIC16C558 MCLR/Vpp 4 15 OSC2/CLKOUT VSS DD 5 14 V High Performance RISC CPU: RB0/INT RB7 6 13 RB1 7 12 RB6 Only 35 instructions to learn 8 11 RB5 RB2 All single-cycle instructions (200 ns), except for RB3 9 10 RB4 program branches which are two-cycle Operating speed: SSOP - DC - 20 MHz clock input 1 RA2 20 RA1 - DC - 20 ns instruction cycle 2 RA3 RA0 19 RA4/T0CKI 3 18 OSC1/CLKIN Program MCLR/Vpp 4 17 OSC2/CLKOUT Device Data Memory Memory VSS 5 16 VDD VSS 15 6 VDD PIC16C554 512 80 RB0/INT RB7 7 14 RB1 8 13 RB6 PIC16C557 2 K 128 9 12 RB5 RB2 PIC16C558 2 K 128 RB3 10 11 RB4 Interrupt capability PDIP, SOIC, Windowed CERDIP 16-18 special function hardware registers 8-level deep hardware stack 1 RA4/T0CKI 28 MCLR/VPP VDD 2 27 OSC1/CLKIN Direct, Indirect and Relative Addressing modes N/C 3 26 OSC2/CLKOUT VSS 4 RC7 25 RA5 5 24 RC6 RA0 6 Peripheral Features: 23 RC5 RA1 7 22 RC4 RA2 8 21 RC3 13-22 I/O pins with individual direction control RA3 9 20 RC2 RB0/INT 10 19 RC1 - Pull-up resistors on PORTB 11 RB1 18 RC0 RB2 12 17 RB7 High current sink/source for direct LED drive RB3 13 16 RB6 RB4 14 15 RB5 Timer0: 8-bit timer/counter with 8-bit programma- ble prescaler SSOP VSS 1 28 MCLR/VPP RA4/T0CKI 2 27 OSC1/CLKIN VDD 3 26 OSC2/CLKOUT RA5 4 25 RC7 RA0 5 24 RC6 RA1 6 23 RC5 RA2 7 22 RC4 RA3 8 21 RC3 RB0/INT 20 9 RC2 RB1 10 19 RC1 RB2 11 18 RC0 RB3 12 17 RB7 RB4 13 16 RB6 VSS 14 15 RB5 1996-2013 Microchip Technology Inc. Preliminary DS40143E-page 1PIC16C55X Special Microcontroller Features: Power-on Reset (POR) Power-up Timer (PWRT) and Oscillator Start-up Timer (OST) Watchdog Timer (WDT) with its own on-chip RC oscillator for reliable operation Programmable code protection Power saving SLEEP mode Selectable oscillator options Serial in-circuit programming (via two pins) Four user programmable ID locations Note: For additional information on enhance- ments, see Appendix A CMOS Technology: Low power, high speed CMOS EPROM technol- ogy Fully static design Wide operating voltage range - 2.5V to 5.5V Commercial, Industrial and Extended temperature range Low power consumption - < 2.0 mA 5.0V, 4.0 MHz -15 A typical 3.0V, 32 kHz -< 1.0 A typical standby current 3.0V Device Differences Device Voltage Range Oscillator PIC16C554 2.5 - 5.5 (Note 1) PIC16C557 2.5 - 5.5 (Note 1) PIC16C558 2.5 - 5.5 (Note 1) Note 1: If you change from this device to another device, please verify oscillator characteristics in your application. DS40143E-page 2 Preliminary 1996-2013 Microchip Technology Inc.