PIC16C782 Microchip Technology Inc., PIC16C782 Datasheet - Page 7

• Manufacturer Part Number: PIC16C782
• Description: 8-bit Cmos Microcontrollers With A/d, D/a, Opamp, Comparators And Psmc
• Manufacturer: Microchip Technology Inc.

1.0
This document contains device-specific information.
Additional information may be found in the PICmicro™
Mid-Range Reference Manual (DS33023), which may
be obtained from your local Microchip Sales Represen-
tative or downloaded from the Microchip website. The
Reference manual should be considered a comple-
mentary document to this data sheet. The Reference
FIGURE 1-1:
2001 Microchip Technology Inc.
Note 1: AV
OSC2/
CLKOUT
OSC1/
CLKIN
(TMR0)
Timer0
Program
DEVICE OVERVIEW
Bus
Instruction reg
Generation
Instruction
Decode &
Oscillator
Programmable Switch
Program
DD
14
Control
Internal
Timing
INTRC
EPROM
1K x 14
Memory
Mode Controller
RC
and AV
(PSMC)
Comparator
PIC16C781 BLOCK DIAGRAM
(C1)
SS
8
pins are used by the following modules: C1, C2, OPA, DAC, ADC, and V
13
Program Memory
Direct Addr 7
Start-up Timer
Program Counter
8 Level Stack
Read (PMR)
Watchdog
Power-up
Power-on
Brown-out
Oscillator
Reset
Timer
Timer
Reset
(13-bit)
Comparator
OPAMP
(OPA)
(C2)
Voltage Reference
8
Preliminary
RAM
Addr
3
(V
Data Bus
Registers
Addr MUX
W reg
R
128 x 8
ALU
) Module
(TMR1)
RAM
Timer1
File
STATUS reg
FSR reg
8-bit ADC
MUX
9
8
8-bit
DAC
manual is highly recommended reading for a better
understanding of the device architecture and operation
of the peripheral modules.
This data sheet covers two devices: PIC16C781 and
PIC16C782. Both devices come in a variety of 20-pin
packages.
The following figures are block diagrams of the
PIC16C781 and the PIC16C782.
Indirect
Addr
8
PORTB
PORTA
PIC16C781/782
Low Voltage Detect
Programmable
(PLVD)
AV
V
RA0/AN0/OPA+
RA1/AN1/OPA-
RA2/AN2/V
RA3/AN3/V
RA4/T0CKI
RA5/MCLR/V
RA6/OSC2/CLKOUT/T1CKI
RA7/OSC1/CLKIN
RB0/INT/AN4/V
RB1/AN5/V
RB2/AN6
RB3/AN7/OPA
RB4
RB5
RB6/C1/PSMC1A
RB7/C2/PSMC1B/T1G
DD
DD
R
.
, V
, AV
SS
SS
(1)
DS41171A-page 5
REF
REF
DAC
PP
2
1
R