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PIC16F84A-20I/SOPIC16LF84A Datasheet

  • PIC16F84A-20I/SOPIC16LF84A

  • 18-pin Enhanced Flash/EEPROM 8-Bit Microcontroller(461.03 k)

  • 68頁(yè)

  • ETC

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M
PIC16F84A
Pin Diagrams
PDIP, SOIC
RA2
RA3
RA4/T0CKI
MCLR
V
SS
RB0/INT
RB1
RB2
RB3
鈥?/div>
1
18-pin
Enhanced
Flash/EEPROM 8-Bit Microcontroller
Devices Included in this Data Sheet:
鈥?PIC16F84A
鈥?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:
鈥?Only 35 single word instructions to learn
鈥?All instructions single cycle except for program
branches which are two-cycle
鈥?Operating speed: DC - 20 MHz clock input
DC - 200 ns instruction cycle
鈥?1024 words of program memory
鈥?68 bytes of data RAM
鈥?64 bytes of data EEPROM
鈥?14-bit wide instruction words
鈥?8-bit wide data bytes
鈥?15 special function hardware registers
鈥?Eight-level deep hardware stack
鈥?Direct, indirect and relative addressing modes
鈥?Four interrupt sources:
- External RB0/INT pin
- TMR0 timer over鏗俹w
- 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
鈥?/div>
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:
鈥?13 I/O pins with individual direction control
鈥?High current sink/source for direct LED drive
- 25 mA sink max. per pin
- 25 mA source max. per pin
鈥?TMR0: 8-bit timer/counter with 8-bit
programmable prescaler
CMOS
Enhanced
Flash/EERPOM Technology:
鈥?Low-power, high-speed technology
鈥?Fully static design
鈥?Wide operating voltage range:
- Commercial: 2.0V to 5.5V
- Industrial:
2.0V to 5.5V
鈥?Low power consumption:
- < 2 mA typical @ 5V, 4 MHz
- 15
碌
A typical @ 2V, 32 kHz
- < 0.5
碌
A typical standby current @ 2V
Special Microcontroller Features:
鈥?1000 erase/write cycles
Enhanced
Flash program
memory
鈥?1,000,000 typical erase/write cycles EEPROM data
memory
鈥?EEPROM Data Retention > 40 years
鈥?In-Circuit Serial Programming (ICSP鈩? - via two
pins
鈥?Power-on Reset (POR), Power-up Timer (PWRT),
Oscillator Start-up Timer (OST)
鈥?Watchdog Timer (WDT) with its own on-chip RC
oscillator for reliable operation
鈥?Code-protection
鈥?Power saving SLEEP mode
鈥?Selectable oscillator options
漏
1998 Microchip Technology Inc.
Preliminary
DS35007A-page 1

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