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PDF 12CE518 Data sheet ( Hoja de datos )

Número de pieza 12CE518
Descripción 8-Bit CMOS Microcontroller
Fabricantes Microchip Technology 
Logotipo Microchip Technology Logotipo



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No Preview Available ! 12CE518 Hoja de datos, Descripción, Manual

PIC12CE5XX
www.DataSheet4U.com
8-Pin, 8-Bit CMOS Microcontroller with
EEPROM Data Memory
Devices:
PIC12CE518 and PIC12CE519 are 8-bit microcontrol-
lers packaged in 8-lead packages. They are based on
the Enhanced PIC16C5X family.
High-Performance RISC CPU:
• Only 33 single word instructions to learn
• All instructions are single cycle (1 µs) except for
program branches which are two-cycle
• Operating speed: DC - 4 MHz clock input
DC - 1 µs instruction cycle
Device
EPROM
Program
Memory
RAM
Data
EEPROM
Data
PIC12CE518 512 x 12 25 x 8
16 x 8
PIC12CE519 1024 x 12 41 x 8
16 x 8
• 12-bit wide instructions
• 8-bit wide data path
• Special function hardware registers
• Two-level deep hardware stack
• Direct, indirect and relative addressing modes for
data and instructions
Peripheral Features:
• 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 Diagram:
PDIP, SOIC, Windowed CERDIP
VDD
GP5/OSC1/CLKIN
GP4/OSC2
GP3/MCLR/VPP
1
2
3
4
8
7
6
5
VSS
GP0
GP1
GP2/T0CKI
Special Microcontroller Features:
• In-Circuit Serial Programming (ICSP™) of pro-
gram memory (via two pins)
• Internal 4 MHz RC oscillator with programmable
calibration
• Power-on Reset (POR)
• Device Reset Timer (DRT)
• Watchdog Timer (WDT) with its own on-chip RC
oscillator for reliable operation
• Programmable code-protection
• Power saving SLEEP mode
• Wake-up from SLEEP on pin change
• Internal weak pull-ups on I/O pins
• Internal pull-up on MCLR pin
• Selectable oscillator options:
- INTRC: Internal 4 MHz RC oscillator
- EXTRC: External low-cost RC oscillator
- XT: Standard crystal/resonator
- LP: Power saving, low frequency crystal
CMOS Technology:
• Low-power, high-speed CMOS EPROM/
EEPROM technology
• Fully static design
• Wide temperature range:
- Commercial: 0°C to +70°C
- Industrial: -40°C to +85°C
- Extended: -40°C to +125°C
• Wide operating voltage range:
-Commercial: 3.0V to 5.5V
-Industrial: 3.0V to 5.5V
-Extended: 4.5V to 5.5V
• Low power consumption
- < 2 mA typical @ 5V, 4 MHz
- 15 µA typical @ 3V, 32 kHz
- < 1 µA typical standby current
© 1997 Microchip Technology Inc.
Preliminary
DS40172A-page 1

1 page




12CE518 pdf
2.0 PIC12CE5XX DEVICE
VARIETIES
A variety of packaging options are available.
wwDwe.DpeantadiSnhgeet4oUn .comapplication and production
requirements, the proper device option can be
selected using the information in this section. When
placing orders, please use the PIC12CE5XX Product
Identification System at the back of this data sheet to
specify the correct part number.
2.1 UV Erasable Devices
The UV erasable version, offered in windowed cerdip
package, is optimal for prototype development and
pilot programs.
The UV erasable version can be erased and
reprogrammed to any of the configuration modes.
Note: Please note that erasing the device will
also erase the pre-programmed internal
calibration value for the internal oscillator.
The calibration value must be saved prior
to erasing the part.
Microchip's PICSTART® PLUS and PRO MATE® pro-
grammers all support programming of the
PIC12CE5XX. Third party programmers also are avail-
able; refer to the Microchip Third Party Guide for a list
of sources.
2.2 One-Time-Programmable (OTP)
Devices
The availability of OTP devices is especially useful for
customers who need the flexibility for frequent code
updates or small volume applications.
The OTP devices, packaged in plastic packages permit
the user to program them once. In addition to the
program memory, the configuration bits must also be
programmed.
PIC12CE5XX
2.3 Quick-Turnaround-Production (QTP)
Devices
Microchip offers a QTP Programming Service for
factory production orders. This service is made
available for users who choose not to program a
medium to high quantity of units and whose code
patterns have stabilized. The devices are identical to
the OTP devices but with all EPROM locations and fuse
options already programmed by the factory. Certain
code and prototype verification procedures do apply
before production shipments are available. Please con-
tact your local Microchip Technology sales office for
more details.
2.4 Serialized Quick-Turnaround
Production (SQTPSM) Devices
Microchip offers a unique programming service where
a few user-defined locations in each device are
programmed with different serial numbers. The serial
numbers may be random, pseudo-random or
sequential.
Serial programming allows each device to have a
unique number which can serve as an entry-code,
password or ID number.
© 1997 Microchip Technology Inc.
Preliminary
DS40172A-page 5

5 Page





12CE518 arduino
4.0 MEMORY ORGANIZATION
PIC12CE5XX memory is organized into program mem-
ory and data memory. For devices with more than 512
wwbwy.tDesatoafSphroegerta4mU.mcoemmory, a paging scheme is used.
Program memory pages are accessed using one STA-
TUS register bit. For the PIC12CE519 with a data
memory register file of more than 32 registers, a bank-
ing scheme is used. Data memory banks are accessed
using the File Select Register (FSR).
4.1 Program Memory Organization
The PIC12CE5XX devices have a 12-bit Program
Counter (PC) capable of addressing a 2K x 12
program memory space.
Only the first 512 x 12 (0000h-01FFh) for the
PIC12CE518 and 1K x 12 (0000h-03FFh) for the
PIC12CE519 are physically implemented. Refer to
Figure 4-1. Accessing a location above these
boundaries will cause a wrap-around within the first
512 x 12 space (PIC12CE518) or 1K x 12 space
(PIC12CE519). The effective reset vector is at 000h,
(see Figure 4-1). Location 01FFh (PIC12CE518) or
location 03FFh (PIC12CE519), the hardwired reset
vector location, contains the internal clock oscillator
calibration value. This value is set at Microchip and
should never be overwritten.
Upon reset, the
MOVLW XX is executed, the PC wraps to location
0000h, thus making 0000h the effective reset vector.
PIC12CE5XX
FIGURE 4-1:
PROGRAM MEMORY MAP
AND STACK FOR THE
PIC12CE5XX
PC<11:0>
CALL, RETLW
12
Stack Level 1
Stack Level 2
Reset Vector (note 1)
0000h
On-chip Program
Memory
512 Word (PIC12CE518)
On-chip Program
Memory
01FFh
0200h
1024 Word (PIC12CE519) 03FFh
0400h
7FFh
Note 1: Address 0000h becomes the
effective reset vector. Location
01FFh (PIC12CE518) or location
03FFh (PIC12CE519) contains the
MOVLW XX INTRC oscillator
calibration value.
© 1997 Microchip Technology Inc.
Preliminary
DS40172A-page 11

11 Page







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