PIC12F629/675 8-Pin, Flash-Based 8-Bit CMOS Microcontrollers

High-Performance RISC CPU:
• Only 35 Instructions to Learn - All single-cycle instructions except branches
• Operating Speed: - DC – 20 MHz oscillator/clock input - DC – 200 ns instruction cycle
• Interrupt Capability
• 8-Level Deep Hardware Stack
• Direct, Indirect, and Relative Addressing modes

Low-Power Features:
• Standby Current: - 1 nA @ 2.0V, typical
• Operating Current: - 8.5 A @ 32 kHz, 2.0V, typical - 100 A @ 1 MHz, 2.0V, typical
• Watchdog Timer Current - 300 nA @ 2.0V, typical
• Timer1 Oscillator Current: - 4 A @ 32 kHz, 2.0V, typical
Peripheral Features:
• 6 I/O Pins with Individual Direction Control
• High Current Sink/Source for Direct LED Drive
• Analog Comparator module with:
- One analog comparator
- Programmable on-chip comparator voltage reference (CVREF) module
- Programmable input multiplexing from device inputs
- Comparator output is externally accessible
• Analog-to-Digital Converter module (PIC12F675):
- 10-bit resolution - Programmable 4-channel input
- Voltage reference input
• Timer0: 8-Bit Timer/Counter with 8-Bit Programmable Prescaler
• Enhanced Timer1:
- 16-bit timer/counter with prescaler
- External Gate Input mode
- Option to use OSC1 and OSC2 in LP mode as Timer1 oscillator, if INTOSC mode selected
• In-Circuit Serial ProgrammiCM GROUPM (ICSPTM) via two pins

2.1 Program Memory Organization
The PIC12F629/675 devices have a 13-bit program counter capable of addressing an 8K x 14 program memory space. Only the first 1K x 14 (0000h-03FFh) for the PIC12F629/675 devices is physically implemented.
Accessing a location above these boundaries will cause a wrap-around within the first 1K x 14 space. The Reset vector is at 0000h and the interrupt vector is at 0004h (see Figure 2-1).

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