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Datasheet PIC18F44K20 PDF ( 特性, スペック, ピン接続図 )

部品番号 PIC18F44K20
部品説明 (PIC18FxxK20) 28/40/44-Pin Flash Microcontrollers
メーカ Microchip Technology
ロゴ Microchip Technology ロゴ 
プレビュー
Total 30 pages
		
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PIC18F44K20 Datasheet, PIC18F44K20 PDF,ピン配置, 機能
PIC18F23K20/24K20/25K20/26K20/
43K20/44K20/45K20/46K20
Data Sheet
28/40/44-Pin Flash Microcontrollers
with nanoWatt XLP™ Technology
© 2009 Microchip Technology Inc.
Preliminary
DS41303E

1 Page



PIC18F44K20 pdf, ピン配列
PIC18F2XK20/4XK20
28/40/44-Pin Flash Microcontrollers
with nanoWatt XLP™ Technology
High Performance RISC CPU:
• C Compiler Optimized Architecture:
- Optional extended instruction set designed to
optimize re-entrant code
• Up to 1024 bytes Data EEPROM
• Up to 64 Kbytes Linear program memory
addressing
• Up to 3936 bytes Linear data memory addressing
• Up to 16 MIPS operation
• 16-bit wide instructions, 8-bit wide data path
• Priority levels for interrupts
• 31-level, software accessible hardware stack
• 8 x 8 single-cycle hardware multiplier
Flexible Oscillator Structure:
• Precision 16 MHz internal oscillator block:
- Factory calibrated to ± 1%
- Software selectable frequencies range of
31 kHz to 16 MHz
- 64 MHz performance available using PLL –
no external components required
• Four crystal modes up to 64 MHz
• Two external clock modes up to 64 MHz
• 4X Phase Lock Loop (PLL)
• Secondary oscillator using Timer1 @ 32 kHz
• Fail-Safe Clock Monitor:
- Allows for safe shutdown if peripheral clock
stops
- Two-Speed Oscillator Start-up
Special Microcontroller Features:
• Operating Voltage Range: 1.8V to 3.6V
• Self-Programmable under Software Control
• Programmable 16-Level High/Low-Voltage
Detection (HLVD) module:
- Interrupt on High/Low-Voltage Detection
• Programmable Brown-out Reset (BOR):
- With software enable option
• Extended Watchdog Timer (WDT):
- Programmable period from 4 ms to 131s
• Single-Supply 3V In-Circuit Serial
Programming™ (ICSP™) via two pins
• In-Circuit Debug (ICD) via Two Pins
Extreme Low-Power Management
with nanoWatt XLP™:
• Sleep mode: 100 nA
• Watchdog Timer: 500 nA
• Timer1 Oscillator: 500 nA @ 32 kHz
Analog Features:
• Analog-to-Digital Converter (ADC) module :
- 10-bit resolution, 13 External Channels
- Auto-acquisition capability
- Conversion available during Sleep
- 1.2V Fixed Voltage Reference (FVR) channel
- Independent input multiplexing
• Analog Comparator module:
- Two rail-to-rail analog comparators
- Independent input multiplexing
• Voltage Reference (CVREF) module
- Programmable (% VDD), 16 steps
- Two 16-level voltage ranges using VREF pins
Peripheral Highlights:
• Up to 35 I/O pins plus 1 input-only pin:
- High-Current Sink/Source 25 mA/25 mA
- Three programmable external interrupts
- Four programmable interrupt-on-change
- Eight programmable weak pull-ups
- Programmable slew rate
• Capture/Compare/PWM (CCP) module
• Enhanced CCP (ECCP) module:
- One, two or four PWM outputs
- Selectable polarity
- Programmable dead time
- Auto-Shutdown and Auto-Restart
• Master Synchronous Serial Port (MSSP) module
- 3-wire SPI (supports all 4 modes)
- I2C™ Master and Slave modes with address
mask
• Enhanced Universal Synchronous Asynchronous
Receiver Transmitter (EUSART) module:
- Supports RS-485, RS-232 and LIN
- RS-232 operation using internal oscillator
- Auto-Wake-up on Break
- Auto-Baud Detect
© 2008 Microchip Technology Inc.
Preliminary
DS41303E-page 1


3Pages


PIC18F44K20 電子部品, 半導体
PIC18F2XK20/4XK20
Pin Diagrams (Cont.’d)
44-pin TQFP
RC7/RX/DT
RD4/PSP4
RD5/PSP5/P1B
RD6/PSP6/P1C
RD7/PSP7/P1D
VSS
VDD
RB0/INT0/FLT0/AN12
RB1/INT1/AN10/C12IN3-
RB2/INT2/AN8
RB3/AN9/C12IN2-/CCP2(1)
1
2
3
4
PIC18F43K20
5 PIC18F44K20
6
7
PIC18F45K20
8 PIC18F46K20
9
10
11
33
32
31
30
29
28
27
26
25
24
23
NC
RC0/T1OSO/T13CKI
OSC2/CLKOUT/RA6
OSC1/CLKIN/RA7
VSS
VDD
RE2/CS/AN7
RE1/WR/AN6
RE0/RD/AN5
RA5/AN4/SS/HLVDIN/C2OUT
RA4/T0CKI/C1OUT
44-pin QFN
RC7/RX/DT
RD4/PSP4
RD5/PSP5/P1B
RD6/PSP6/P1C
RD7/PSP7/P1D
VSS
VDD
VDD
RB0/INT0/FLT0/AN12
RB1/INT1/AN10/C12IN3-
RB2/INT2/AN8
1
2
3
4
PIC18F43K20
5 PIC18F44K20
6 PIC18F45K20
7
8 PIC18F46K20
9
10
11
33
32
31
30
29
28
27
26
25
24
23
OSC2/CLKOUT/RA6
OSC1/CLKIN/RA7
VSS
VSS
VDD
VDD
RE2/CS/AN7
RE1/WR/AN6
RE0/RD/AN5
RA5/AN4/SS/HLVDIN/C2OUT
RA4/T0CKI/C1OUT
Note 1: RB3 is the alternate pin for CCP2 multiplexing.
DS41303E-page 4
Preliminary
© 2008 Microchip Technology Inc.

6 Page





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