PIC16C745/765
8-Bit CMOS Microcontrollers with USB
Devices included in this data sheet: Pin Diagrams
PIC16C745 PIC16C765 28-Pin DIP, SOIC
Microcontroller Core Features:
1 28 RB7
MCLR/VPP
RB6
RA0/AN0 2 27
High-performance RISC CPU
RB5
RA1/AN1 3 26
RB4
Only 35 single word instructions RA2/AN2 4 25
RB3
RA3/AN3/VREF 5 24
RB2
Memory RA4/T0CKI 6 23
RB1
A/D A/D RA5/AN4 7 22
Device Pins
RB0/INT
Vss 8 21
Program Data
Resolution Channels
VDD
OSC1/CLKIN 9 20
x14 x8
Vss
OSC2/CLKOUT 10 19
RC7/RX/DT
RC0/T1OSO/T1CKI 11 18
PIC16C745 8K 256 28 8 5
RC6/TX/CK
RC1/T1OSI/CCP2 12 17
PIC16C765 8K 256 40 8 8
13 16 D+
RC2/CCP1
14 15 D-
VUSB
All single cycle instructions except for program
branches which are two cycle
Interrupt capability (up to 12 internal/external
Peripheral Features:
interrupt sources)
Universal Serial Bus (USB 1.1)
Eight level deep hardware stack
- Soft attach/detach
Direct, indirect and relative addressing modes
64 bytes of USB dual port RAM
Power-on Reset (POR)
22 (PIC16C745) or 33 (PIC16C765) I/O pins
Power-up Timer (PWRT) and Oscillator Start-up
- Individual direction control
Timer (OST)
- 1 high voltage open drain (RA4)
Watchdog Timer (WDT) with its own on-chip RC
- 8 PORTB pins with:
oscillator for reliable operation
- Interrupt-on-change control (RB<7:4> only)
Brown-out detection circuitry for
- Weak pull-up control
Brown-out Reset (BOR)
- 3 pins dedicated to USB
Programmable code-protection
Timer0: 8-bit timer/counter with 8-bit prescaler
Power saving SLEEP mode
Timer1: 16-bit timer/counter with prescaler
Selectable oscillator options
can be incremented during SLEEP via external
- EC - External clock (24 MHz)
crystal/clock
- E4 - External clock with PLL (6 MHz)
Timer2: 8-bit timer/counter with 8-bit period
- HS - Crystal/Resonator (24 MHz)
register, prescaler and postscaler
- H4 - Crystal/Resonator with PLL (6 MHz)
2 Capture, Compare and PWM modules
Processor clock of 24 MHz derived from 6 MHz
- Capture is 16-bit, max. resolution is 10.4 ns
crystal or resonator
- Compare is 16-bit, max. resolution is 167 ns
Fully static low-power, high-speed CMOS
- PWM maximum resolution is 10-bit
In-Circuit Serial Programming (ICSP)
8-bit multi-channel Analog-to-Digital converter
Operating voltage range
Universal Synchronous Asynchronous Receiver
- 4.35 to 5.25V
Transmitter (USART/SCI)
High Sink/Source Current 25/25 mA
Parallel Slave Port (PSP) 8-bits wide, with exter-
Wide temperature range
nal RD, WR and CS controls (PIC16C765 only)
- Industrial (-40 C - 85 C)
Low-power consumption:
- ~ 16 mA @ 5V, 24 MHz
- 100 A typical standby current
1999-2013 Microchip Technology Inc. Preliminary DS41124D-page 1
PIC16C745PIC16C745/765
44-Pin PLCC 44-Pin TQFP
RA4/T0CKI 7 39 RB3
RA5/AN4 8 38 RB2
RC7/RX/DT 1
33 NC
RE0/RD/AN5 9 37 RB1
RD4/PSP4 2
32
RE1/WR/AN6 10 36 RB0/INT RC0/T1OSO/T1CKI
RD5/PSP5 3 31
RE2/CS/AN7 11 35 VDD OSC2/CLKOUT
4
RD6/PSP6 30
VSS
VDD 12 34 OSC1/CLKIN
PIC16C765
RD7/PSP7 5
29
RD7/PSP7
VSS 13 33 VSS
6
VSS 28
RD6/PSP6 PIC16C765
OSC1/CLKIN 14 32 VDD
VDD 7
27
RD5/PSP5 RE2/CS/AN7
OSC2/CLKOUT 15 31
RB0/INT 8
26
RC0/T1OSO/T1CKI 16 30 RD4/PSP4 RE1/WR/AN6
RB1 9
25
NC 17 29 RC7/RX/DT RE0/RD/AN5
10
RB2 24
RA5/AN4
11
RB3 23
RA4/T0CKI
40-Pin DIP
MCLR/VPP 1 40 RB7
RA0/AN0 2 39 RB6
RA1/AN1 3 38 RB5
RA2/AN2 4 37 RB4
RA3/AN3/VREF 5 36 RB3
RA4/T0CKI RB2
6 35
RA5/AN4 7 34 RB1
RE0/RD/AN5 8 33 RB0/INT
RE1/WR/AN6 VDD
9 32
RE2/CS/AN7 10 31 VSS
VDD
11 30 RD7/PSP7
VSS 12 29 RD6/PSP6
OSC1/CLKIN 28 RD5/PSP5
13
OSC2/CLKOUT 14 27 RD4/PSP4
RC0/T1OSO/T1CKI RC7/RX/DT
15 26
RC1/T1OSI/CCP2 RC6/TX/CK
16 25
RC2/CCP1 D+
17 24
VUSB 18 23 D-
RD0/PSP0 19 22 RD3/PSP3
RD1/PSP1 20 21 RD2/PSP2
Key Features
TM
PIC16C745 PIC16C765
PICmicro Mid-Range Reference Manual
(DS33023)
Operating Frequency 6 MHz or 24 MHz 6 MHz or 24 MHz
Resets (and Delays) POR, BOR (PWRT, OST) POR, BOR (PWRT, OST)
Program Memory (14-bit words) 8K 8K
Data Memory (bytes) 256 256
Dual Port Ram 64 64
Interrupt Sources 11 12
I/O Ports 22 (Ports A, B, C) 33 (Ports A, B, C, D, E)
Timers 3 3
Capture/Compare/PWM modules 2 2
Analog-to-Digital Converter Module 5 channel x 8 bit 8 channel x 8 bit
Parallel Slave Port Yes
Serial Communication USB, USART/SCI USB, USART/SCI
Brown-out Detect Reset Yes Yes
DS41124D-page 2 Preliminary 1999-2013 Microchip Technology Inc.
RA3/AN3/VREF
RC1/T1OSI/CCP2
18 6
RA2/AN2
RC2/CCP1
19 5
RA1/AN1
VUSB
20 4
RA0/AN0
RD0/PSP0 3
21
MCLR/VPP
RD1/PSP1
22 2
PIC16C765
RD2/PSP2 1 NC
23
RD3/PSP3 44 RB7
24
D- 43 RB6
25
D+ 42 RB5
26
RC6/TX/CK 41 RB4
27
NC 40 NC
28
RC6/TX/CK
NC 12 44
D+
NC 13 43
D-
RB4 14 42
RD3/PSP3
RB5 15 41
RD2/PSP2
RB6 16
40
RD1/PSP1
RB7 17
39
RD0/PSP0
MCLR/VPP 18
38
VUSB
RA0/AN0 19 37
RC2/CCP1
RA1/AN1 20 36
RC1/T1OSI/CCP2
RA2/AN2 21 35
NC
22
RA3/AN3/VREF 34