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PIC16F84A-20/P 参数 Datasheet PDF下载

PIC16F84A-20/P图片预览
型号: PIC16F84A-20/P
PDF下载: 下载PDF文件 查看货源
内容描述: 18引脚增强型闪存/ EEPROM的8位微控制器 [18-pin Enhanced Flash/EEPROM 8-Bit Microcontroller]
分类和应用: 闪存微控制器可编程只读存储器电动程控只读存储器电可擦编程只读存储器
文件页数/大小: 68 页 / 474 K
品牌: MICROCHIP [ MICROCHIP TECHNOLOGY ]
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M
PIC16F84A
Pin Diagrams
PDIP, SOIC
RA2
RA3
RA4/T0CKI
MCLR
V
SS
RB0/INT
RB1
RB2
RB3
1
18-pin
Enhanced
Flash/EEPROM 8-Bit Microcontroller
Devices Included in this Data Sheet:
• PIC16F84A
• Extended voltage range device available
(PIC16
LF
84A)
18
17
16
15
14
13
12
11
10
RA1
RA0
OSC1/CLKIN
OSC2/CLKOUT
V
DD
RB7
RB6
RB5
RB4
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
2
3
4
5
6
7
8
9
SSOP
RA2
RA3
RA4/T0CKI
MCLR
V
SS
V
SS
RB0/INT
RB1
RB2
RB3
1
PIC16F84A
PIC16F84A
20
19
18
17
16
15
14
13
12
11
RA1
RA0
OSC1/CLKIN
OSC2/CLKOUT
V
DD
V
DD
RB7
RB6
RB5
RB4
2
3
4
5
6
7
8
9
10
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
CMOS
Enhanced
Flash/EERPOM 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
Special Microcontroller Features:
• 1000 erase/write cycles
Enhanced
Flash program
memory
• 1,000,000 typical erase/write cycles EEPROM data
memory
• 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
©
1998 Microchip Technology Inc.
Preliminary
DS35007A-page 1