PIC16F874A-E/ML Microchip Technology, PIC16F874A-E/ML Datasheet - Page 17
![IC MCU FLASH 4KX14 A/D 44QFN](/photos/6/81/68122/150-44-qfn_sml.jpg)
PIC16F874A-E/ML
Manufacturer Part Number
PIC16F874A-E/ML
Description
IC MCU FLASH 4KX14 A/D 44QFN
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16F688T-ISL.pdf
(688 pages)
3.PIC16C770-ISO.pdf
(8 pages)
4.PIC16F873A-ISO.pdf
(234 pages)
5.PIC16F873A-ISO.pdf
(6 pages)
6.PIC16F873A-ISO.pdf
(4 pages)
7.PIC16F873A-ISO.pdf
(6 pages)
8.PIC16F873A-ISO.pdf
(4 pages)
9.PIC16F873A-ISO.pdf
(22 pages)
Specifications of PIC16F874A-E/ML
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
33
Program Memory Size
7KB (4K x 14)
Program Memory Type
FLASH
Eeprom Size
128 x 8
Ram Size
192 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 125°C
Package / Case
44-QFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- PIC16F616T-ISL PDF datasheet
- PIC16F688T-ISL PDF datasheet #2
- PIC16C770-ISO PDF datasheet #3
- PIC16F873A-ISO PDF datasheet #4
- PIC16F873A-ISO PDF datasheet #5
- PIC16F873A-ISO PDF datasheet #6
- PIC16F873A-ISO PDF datasheet #7
- PIC16F873A-ISO PDF datasheet #8
- PIC16F873A-ISO PDF datasheet #9
- Current page: 17 of 234
- Download datasheet (5Mb)
2.0
There are three memory blocks in each of the
PIC16F87XA devices. The program memory and data
memory have separate buses so that concurrent
access can occur and is detailed in this section. The
EEPROM data memory block is detailed in Section 3.0
“Data EEPROM and Flash Program Memory”.
Additional information on device memory may be found
in the PICmicro
Manual (DS33023).
FIGURE 2-1:
2003 Microchip Technology Inc.
On-Chip
Program
Memory
CALL, RETURN
RETFIE, RETLW
MEMORY ORGANIZATION
®
Mid-Range MCU Family Reference
Interrupt Vector
PIC16F876A/877A
PROGRAM MEMORY MAP
AND STACK
Stack Level 8
Stack Level 2
Stack Level 1
Reset Vector
PC<12:0>
Page 0
Page 1
Page 2
Page 3
13
0000h
0004h
0005h
07FFh
0800h
0FFFh
1000h
17FFh
1800h
1FFFh
2.1
The PIC16F87XA devices have a 13-bit program
counter capable of addressing an 8K word x 14 bit
program memory space. The PIC16F876A/877A
devices have 8K words x 14 bits of Flash program
memory,
4K words x 14 bits. Accessing a location above the
physically
wraparound.
The Reset vector is at 0000h and the interrupt vector is
at 0004h.
FIGURE 2-2:
Program
On-Chip
Memory
CALL, RETURN
RETFIE, RETLW
Program Memory Organization
while
implemented
PIC16F873A/874A
PIC16F87XA
Interrupt Vector
PIC16F873A/874A
PROGRAM MEMORY MAP
AND STACK
Stack Level 8
Stack Level 2
Reset Vector
Stack Level 1
PC<12:0>
Page 0
Page 1
address
13
DS39582B-page 15
will
devices
0000h
0004h
0005h
07FFh
0800h
0FFFh
1000h
1FFFh
cause
have
a
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