PIC14000
28-Pin Programmable Mixed Signal Controller
High-Performance RISC CPU:
鈥?Only 35 single word instructions to learn
鈥?All single cycle instructions except for program
branches which are two cycle
鈥?Operating speed: DC - 20 MHz clock input
鈥?4096 x 14 on-chip EPROM program memory
鈥?192 x 8 general purpose registers (SRAM)
鈥?6 internal and 5 external interrupt sources
鈥?38 special function hardware registers
鈥?Eight-level hardware stack
Pin Diagram
PDIP, SOIC, SSOP, Windowed CERDIP
RA1/AN1
RA0/AN0
RD3/REFB
RD2/CMPB
RD1/SDAB
RD0/SCLB
OSC2/CLKOUT
OSC1/PBTN
V
DD
VREG
RC7/SDAA
RC6/SCLA
RC5
MCLR/V
PP
鈥?
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
RA2/AN2
RA3/AN3
RD4/AN4
RD5/AN5
RD6/AN6
RD7/AN7
CDAC
SUM
V
SS
RC0/REFA
RC1/CMPA
RC2
RC3/T0CKI
RC4
PIC14000
24
23
22
21
20
19
18
17
16
15
Analog Peripherals Features:
鈥?Slope Analog-to-Digital (A/D) converter
- Eight external input channels including two
channels with selectable level shift inputs
- Six internal input channels
- 16-bit programmable timer with capture
register
- 16 ms maximum conversion time at maxi-
mum (16-bit) resolution and 4 MHz clock
- 4-bit programmable current source
鈥?Internal bandgap voltage reference
鈥?Factory calibrated with calibration constants
stored in EPROM
鈥?On-chip temperature sensor
鈥?Voltage regulator control output
鈥?Two comparators with programmable references
鈥?On-chip low voltage detector
Digital Peripherals Features:
鈥?22 I/O pins with individual direction control
鈥?High current sink/source for direct LED drive
鈥?TMR0: 8-bit timer/counter with 8-bit
programmable prescaler
鈥?16-bit A/D timer: can be used as a general
purpose timer
鈥?I
2
C
鈩?/div>
serial port compatible with System
Management Bus
CMOS Technology:
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Low-power, high-speed CMOS EPROM technology
Fully static design
Wide-operating voltage range (2.7V to 6.0V)
Commercial and Industrial Temperature Range
Low power dissipation (typical)
- < 3 mA @5V, 4 MHz operating mode
- < 300
碌
A @3V (Sleep mode: clocks stopped
with analog circuits active)
- < 5
碌
A @3V (Hibernate mode: clocks
stopped, analog inactive, and WDT disabled)
Special Microcontroller Features:
鈥?Power-on Reset (POR), Power-up Timer (PWRT)
and Oscillator Start-up Timer (OST)
鈥?Watchdog Timer (WDT) with its own on-chip RC
oscillator for reliable operation
鈥?Multi-segment programmable code-protection
鈥?Selectable oscillator options
- Internal 4 MHz oscillator
- External crystal oscillator
鈥?Serial in-system programming (via two pins)
Applications:
鈥?/div>
鈥?/div>
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鈥?/div>
鈥?/div>
鈥?/div>
Battery Chargers
Battery Capacity Monitoring
Uninterruptable Power Supply Controllers
Power Management Controllers
HVAC Controllers
Sensing and Data Acquisition
漏
1996 Microchip Technology Inc.
Preliminary
This document was created with FrameMaker 4 0 4
DS40122B-page 1
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