參數(shù)資料
型號: 35007B
廠商: Microchip Technology Inc.
英文描述: 18-pin Enhanced FLASH/EEPROM 8-bit Microcontroller
中文描述: 18針/ EEPROM的8位微控制器的閃存
文件頁數(shù): 3/88頁
文件大?。?/td> 1495K
代理商: 35007B
2001 Microchip Technology Inc.
DS35007B-page 1
M
PIC16F84A
High Performance RISC CPU Features:
Only 35 single word instructions to learn
All instructions single-cycle except for program
branches which are two-cycle
Operating speed: DC - 20 MHz clock input
DC - 200 ns instruction cycle
1024 words of program memory
68 bytes of Data RAM
64 bytes of Data EEPROM
14-bit wide instruction words
8-bit wide data bytes
15 Special Function Hardware registers
Eight-level deep hardware stack
Direct, indirect and relative addressing modes
Four interrupt sources:
- External RB0/INT pin
- TMR0 timer overflow
- PORTB<7:4> interrupt-on-change
- Data EEPROM write complete
Peripheral Features:
13 I/O pins with individual direction control
High current sink/source for direct LED drive
- 25 mA sink max. per pin
- 25 mA source max. per pin
TMR0: 8-bit timer/counter with 8-bit
programmable prescaler
Special Microcontroller Features:
10,000 erase/write cycles
Enhanced
FLASH
Program memory typical
10,000,000 typical erase/write cycles EEPROM
Data memory typical
EEPROM Data Retention > 40 years
In-Circuit Serial Programming (ICSP) - via
two pins
Power-on Reset (POR), Power-up Timer (PWRT),
Oscillator Start-up Timer (OST)
Watchdog Timer (WDT) with its own On-Chip RC
Oscillator for reliable operation
Code protection
Power saving SLEEP mode
Selectable oscillator options
Pin Diagrams
CMOS Enhanced FLASH/EEPROM
Technology:
Low power, high speed technology
Fully static design
Wide operating voltage range:
- Commercial: 2.0V to 5.5V
- Industrial:
2.0V to 5.5V
Low power consumption:
- < 2 mA typical @ 5V, 4 MHz
- 15
μ
A typical @ 2V, 32 kHz
- < 0.5
μ
A typical standby current @ 2V
RA1
RA0
OSC1/CLKIN
OSC2/CLKOUT
V
DD
RB7
RB6
RB5
RB4
RA2
RA3
RA4/T0CKI
MCLR
V
SS
RB0/INT
RB1
RB2
RB3
1
2
3
4
5
6
7
8
9
18
17
16
15
14
13
12
11
10
PDIP, SOIC
P
RA1
RA0
OSC1/CLKIN
OSC2/CLKOUT
V
DD
V
DD
RB7
RB6
RB5
RB4
RA2
RA3
RA4/T0CKI
MCLR
V
SS
RB0/INT
RB1
RB2
RB3
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
SSOP
P
V
SS
18-pin
Enhanced
FLASH/EEPROM 8-Bit Microcontroller
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