PIC16C745/765
8-Bit CMOS Microcontrollers with USB
Devices included in this data sheet:
• PIC16C745
• PIC16C765
Pin Diagrams
28-Pin DIP, SOIC
MCLR/V
PP
RA0/AN0
RA1/AN1
RA2/AN2
RA3/AN3/V
REF
RA4/T0CKI
RA5/AN4
Vss
OSC1/CLKIN
OSC2/CLKOUT
RC0/T1OSO/T1CKI
RC1/T1OSI/CCP2
RC2/CCP1
V
USB
•1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
Microcontroller Core Features:
• High-performance RISC CPU
• Only 35 single word instructions
Memory
Device
Program
x14
8K
8K
Data
x8
256
256
Pins
A/D
Resolution
8
8
A/D
Channels
5
8
PIC16C745
PIC16C765
28
40
• 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 24MHz 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:
- < TBD @ 5V, 6 MHz
- < TBD typical standby current
RB7
RB6
RB5
RB4
RB3
RB2
RB1
RB0/INT
V
DD
Vss
RC7/RX/DT
RC6/TX/CK
D+
D-
Peripheral Features:
• Universal Serial Bus (USB 1.1)
• 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)
©
1999 Microchip Technology Inc.
Advanced Information
PIC16C745
DS41124A-page 1
MICROCHIP [ MICROCHIP TECHNOLOGY ]
