PIC16C745 Datasheet

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  PIC16C745/65 Datasheet (4/1/2003)


Microcontroller Core Features:
• High-performance RISC CPU
• Only 35 single word instructions
• All single cycle instructions except for program
branches which are two cycle
• Interrupt capability (up to 12 internal/external
interrupt sources)
• Eight level deep hardware stack
• Direct, indirect and relative addressing modes
• 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
• Brown-out detection circuitry for
Brown-out Reset (BOR)
• Programmable code-protection
• Power saving SLEEP mode
• Selectable oscillator options
- EC - External clock (24 MHz)
- E4 - External clock with PLL (6 MHz)
- HS - Crystal/Resonator (24 MHz)
- H4 - Crystal/Resonator with PLL (6 MHz)
• Processor clock of 24 MHz derived from 6 MHz
crystal or resonator
• Fully static low-power, high-speed CMOS
• In-Circuit Serial Programming (ICSP)
• Operating voltage range
- 4.35 to 5.25V
• High Sink/Source Current 25/25 mA
• Wide temperature range
- Industrial (-40°C - 85°C)
• Low-power consumption:
- ~ 16 mA @ 5V, 24 MHz
-100 µA typical standby current
Peripheral Features:
• Universal Serial Bus (USB 1.1)
- Soft attach/detach
• 64 bytes of USB dual port RAM
• 22 (PIC16C745) or 33 (PIC16C765) I/O pins
- Individual direction control
- 1 high voltage open drain (RA4)
- 8 PORTB pins with:
- Interrupt-on-change control (RB<7:4> only)
- Weak pull-up control
- 3 pins dedicated to USB
• Timer0: 8-bit timer/counter with 8-bit prescaler
• Timer1: 16-bit timer/counter with prescaler
can be incremented during SLEEP via external
crystal/clock
• Timer2: 8-bit timer/counter with 8-bit period
register, prescaler and postscaler
• 2 Capture, Compare and PWM modules
- Capture is 16-bit, max. resolution is 10.4 ns
- Compare is 16-bit, max. resolution is 167 ns
- PWM maximum resolution is 10-bit
• 8-bit multi-channel Analog-to-Digital converter
• Universal Synchronous Asynchronous Receiver
Transmitter (USART/SCI)
• Parallel Slave Port (PSP) 8-bits wide, with exter-
nal RD, WR and CS controls (PIC16C765 only)


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