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PIC18C242 Datasheet

  • PIC18C242

  • High Performance Microcontrollers with 10-bit A/D

  • 305頁

  • Microchip   Microchip

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PIC18CXX2
High-Performance Microcontrollers with 10-Bit A/D
High Performance RISC CPU:
鈥?C-compiler optimized architecture/instruction set
- Source code compatible with the PIC16CXX
instruction set
鈥?Linear program memory addressing to 2M bytes
鈥?Linear data memory addressing to 4K bytes
Device
PIC18C242
PIC18C252
PIC18C442
PIC18C452
On-Chip Program Memory On-Chip
RAM
EPROM # Single Word
(bytes)
(bytes)
Instructions
16K
32K
16K
32K
8192
16384
8192
16384
512
1536
512
1536
Pin Diagrams
DIP, Windowed CERDIP
MCLR/V
PP
RA0/AN0
RA1/AN1
RA2/AN2/V
REF
-
RA3/AN3/V
REF
+
RA4/T0CKI
RA5/AN4/SS/LVDIN
RE0/RD/AN5
RE1/WR/AN6
RE2/CS/AN7
V
DD
V
SS
OSC1/CLKI
OSC2/CLKO/RA6
RC0/T1OSO/T1CKI
RC1/T1OSI/CCP2
*
RC2/CCP1
RC3/SCK/SCL
RD0/PSP0
RD1/PSP1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
RB7
RB6
RB5
RB4
RB3/CCP2
*
RB2/INT2
RB1/INT1
RB0/INT0
V
DD
V
SS
RD7/PSP7
RD6/PSP6
RD5/PSP5
RD4/PSP4
RC7/RX/DT
RC6/TX/CK
RC5/SDO
RC4/SDI/SDA
RD3/PSP3
RD2/PSP2
*
*
*
鈥?/div>
*
Peripheral Features:
Up to 10 MIPs operation:
- DC - 40 MHz osc./clock input
- 4 MHz - 10 MHz osc./clock input with PLL active
鈥?16-bit wide instructions, 8-bit wide data path
鈥?Priority levels for interrupts
鈥?8 x 8 Single Cycle Hardware Multiplier
*
RB3 is the alternate pin for the CCP2 pin multiplexing.
NOTE:
Pin compatible with 40-pin PIC16C7X devices
Analog Features:
鈥?/div>
10-bit Analog-to-Digital Converter
module (A/D)
with:
- Fast sampling rate
- Conversion available during sleep
- DNL = 鹵1 LSb, INL = 鹵1 LSb
鈥?Programmable
Low-Voltage Detection
(LVD)
module
- Supports interrupt on low voltage detection
鈥?Programmable Brown-out Reset (BOR)
*
鈥?High current sink/source 25 mA/25 mA
鈥?Three external interrupt pins
鈥?/div>
Timer0
module: 8-bit/16-bit timer/counter with
8-bit programmable prescaler
鈥?/div>
Timer1
module: 16-bit timer/counter
鈥?/div>
Timer2
module: 8-bit timer/counter with 8-bit
period register (time-base for PWM)
鈥?/div>
Timer3
module: 16-bit timer/counter
鈥?Secondary oscillator clock option - Timer1/Timer3
鈥?Two
Capture/Compare/PWM
(CCP) modules. CCP
pins that can be configured as:
- Capture input: capture is 16-bit,
max. resolution 6.25 ns (T
CY
/16)
- Compare is 16-bit, max. resolution 100 ns (T
CY
)
- PWM output: PWM resolution is 1- to 10-bit.
Max. PWM freq. @:8-bit resolution = 156 kHz
10-bit resolution = 39 kHz
鈥?/div>
Master Synchronous Serial Port
(MSSP) module.
Two modes of operation:
- 3-wire SPI鈩?(supports all 4 SPI modes)
- I
2
C鈩?master and slave mode
鈥?/div>
Addressable USART
module:
- Supports interrupt on Address bit
鈥?/div>
Parallel Slave Port
(PSP) module
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?Programmable code-protection
鈥?Power saving SLEEP mode
鈥?Selectable oscillator options including:
- 4X Phase Lock Loop (of primary oscillator)
- Secondary Oscillator (32 kHz) clock input
鈥?In-Circuit Serial Programming (ICSP鈩? via two pins
CMOS Technology:
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Low-power, high-speed EPROM technology
Fully static design
Wide operating voltage range (2.5V to 5.5V)
Industrial and Extended temperature ranges
Low-power consumption
DS39026B-page 1
7/99 Microchip Technology Inc.
Preliminary
PIC18C4X2

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