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PIC12CE674 Schematic ( PDF Datasheet ) - Microchip

Teilenummer PIC12CE674
Beschreibung 8-Bit CMOS Microcontroller
Hersteller Microchip
Logo Microchip Logo 




Gesamt 30 Seiten
PIC12CE674 Datasheet, Funktion
PIC12C67X
8-Pin, 8-Bit CMOS Microcontroller with A/D Converter
and EEPROM Data Memory
Devices Included in this Data Sheet:
• PIC12C671
• PIC12C672
• PIC12CE673
• PIC12CE674
Note:
Throughout this data sheet PIC12C67X
refers to the PIC12C671, PIC12C672,
PIC12CE673 and PIC12CE674.
PIC12CE67X refers to PIC12CE673 and
PIC12CE674.
High-Performance RISC CPU:
• Only 35 single word instructions to learn
• All instructions are single cycle (400 ns) except for
program branches which are two-cycle
• Operating speed: DC - 10 MHz clock input
DC - 400 ns instruction cycle
Device
Program
Memory
Data
RAM
Data
EEPROM
PIC12C671 1024 x 14 128 x 8
PIC12C672 2048 x 14 128 x 8
PIC12CE673 1024 x 14 128 x 8
16 x 8
PIC12CE674 2048 x 14 128 x 8
16 x 8
• 14-bit wide instructions
• 8-bit wide data path
• Interrupt capability
• Special function hardware registers
• 8-level deep hardware stack
• Direct, indirect and relative addressing modes for
data and instructions
Peripheral Features:
• Four-channel, 8-bit A/D converter
• 8-bit real time clock/counter (TMR0) with 8-bit
programmable prescaler
• 1,000,000 erase/write cycle EEPROM data
memory
• EEPROM data retention > 40 years
Pin Diagrams:
PDIP, SOIC, Windowed CERDIP
VDD
GP5/OSC1/CLKIN
GP4/OSC2/AN3/
CLKOUT
GP3/MCLR/VPP
1
2
3
4
8
7
6
5
PDIP, Windowed CERDIP
VDD
GP5/OSC1/CLKIN
GP4/OSC2/AN3/
CLKOUT
GP3/MCLR/VPP
1
2
3
4
8
7
6
5
VSS
GP0/AN0
GP1/AN1/VREF
GP2/T0CKI/AN2/
INT
VSS
GP0/AN0
GP1/AN1/VREF
GP2/T0CKI/AN2/
INT
Special Microcontroller Features:
• In-Circuit Serial Programming (ICSP™)
• Internal 4 MHz oscillator with programmable calibration
• Selectable clockout
• 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
• Programmable code protection
• Power saving SLEEP mode
• Interrupt-on-pin change (GP0, GP1, GP3)
• Internal pull-ups on I/O pins (GP0, GP1, GP3)
• Internal pull-up on MCLR pin
• Selectable oscillator options:
- INTRC: Precision internal 4 MHz oscillator
- EXTRC: External low-cost RC oscillator
- XT:
- HS:
Standard crystal/resonator
High speed crystal/resonator
- LP: Power saving, low frequency crystal
CMOS Technology:
• Low-power, high-speed CMOS EPROM/EEPROM
technology
• Fully static design
• Wide operating voltage range 2.5V to 5.5V
• Commercial, Industrial and Extended
temperature ranges
• Low power consumption
< 2 mA @ 5V, 4 MHz
15 µA typical @ 3V, 32 kHz
< 1 µA typical standby current
© 1999 Microchip Technology Inc.
DS30561B-page 1






PIC12CE674 Datasheet, Funktion
PIC12C67X
NOTES:
DS30561B-page 6
© 1999 Microchip Technology Inc.

6 Page









PIC12CE674 pdf, datenblatt
PIC12C67X
FIGURE 4-2: PIC12C67X REGISTER FILE
MAP
File
Address
00h INDF(1)
01h TMR0
02h PCL
03h STATUS
04h FSR
05h GPIO
06h
07h
08h
09h
0Ah PCLATH
0Bh INTCON
0Ch PIR1
0Dh
0Eh
0Fh
10h
11h
12h
13h
14h
15h
16h
17h
18h
19h
1Ah
1Bh
1Ch
1Dh
1Eh ADRES
1Fh ADCON0
20h
General
Purpose
Register
70h
7Fh
Bank 0
INDF(1)
OPTION
PCL
STATUS
FSR
TRIS
PCLATH
INTCON
PIE1
PCON
OSCCAL
ADCON1
General
Purpose
Register
File
Address
80h
81h
82h
83h
84h
85h
86h
87h
88h
89h
8Ah
8Bh
8Ch
8Dh
8Eh
8Fh
90h
91h
92h
93h
94h
95h
96h
97h
98h
99h
9Ah
9Bh
9Ch
9Dh
9Eh
9Fh
A0h
BFh
C0h
Mapped
in Bank 0
Bank 1
EFh
F0h
FFh
Unimplemented data memory locations, read
as ’0’.
Note 1: Not a physical register.
4.2.2 SPECIAL FUNCTION REGISTERS
The Special Function Registers are registers used by
the CPU and Peripheral Modules for controlling the
desired operation of the device. These registers are
implemented as static RAM.
The Special Function Registers can be classified into
two sets (core and peripheral). Those registers associ-
ated with the “core” functions are described in this sec-
tion, and those related to the operation of the peripheral
features are described in the section of that peripheral
feature.
DS30561B-page 12
© 1999 Microchip Technology Inc.

12 Page





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