PIC16F877-04I/PQ Microchip Technology, PIC16F877-04I/PQ Datasheet - Page 665
![IC MCU FLASH 8KX14 EE 44-MQFP](/photos/6/59/65984/150-44-pqfp_sml.jpg)
PIC16F877-04I/PQ
Manufacturer Part Number
PIC16F877-04I/PQ
Description
IC MCU FLASH 8KX14 EE 44-MQFP
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.PIC16F873-04SO.pdf
(218 pages)
5.PIC16F873-04SO.pdf
(5 pages)
6.PIC16F873-04SO.pdf
(5 pages)
Specifications of PIC16F877-04I/PQ
Core Processor
PIC
Core Size
8-Bit
Speed
4MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
33
Program Memory Size
14KB (8K x 14)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
368 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
44-MQFP, 44-PQFP
Processor Series
PIC16F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
368 B
Interface Type
MSSP, PSP, USART
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
33
Number Of Timers
3 bit
Operating Supply Voltage
2 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
52715-96, 52716-328, 52717-734
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, DM163022, DV164120
Minimum Operating Temperature
- 40 C
On-chip Adc
8
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16F877-04I/PQ
Manufacturer:
MICROCHIP
Quantity:
1 000
Company:
Part Number:
PIC16F877-04I/PQ
Manufacturer:
Microchip Technology
Quantity:
10 000
- PIC16F616T-ISL PDF datasheet
- PIC16F688T-ISL PDF datasheet #2
- PIC16C770-ISO PDF datasheet #3
- PIC16F873-04SO PDF datasheet #4
- PIC16F873-04SO PDF datasheet #5
- PIC16F873-04SO PDF datasheet #6
- Current page: 665 of 688
- Download datasheet (3Mb)
APPENDIX C: DEVICE ENHANCEMENT
C.1
1997 Microchip Technology Inc.
Data Memory Map
As the Midrange architecture matured, certain modules and features have been enhanced. They
are:
1.
2.
3.
4.
5.
6.
7.
The following subsections discuss the implementations of these enhancements.
The Data Memory Map shows the location of the Special Function Registers (SFRs) and the
General Purpose Registers (GPRs). SFRs provide controls and give status on the operation of
the device, while the GPRs are the general purpose RAM.
Figure C-1
Memory Map A was implemented on the first midrange devices. They were 18/20-pin devices
that had limited peripheral features. When the product roadmap dictated the requirement for
devices with increased I/O, and a richer peripheral set, memory map B was implemented. Mem-
ory map C is actually a subset of memory map B, but context saving (due to an interrupt) requires
additional software overhead. This is because there is no GPR in Bank1. To minimize the context
saving software, memory map D was defined. A common RAM memory map will be used for all
future devices. See the
Midrange PICmicro’s memory.
Figure C-1:
A
The data memory map
The SSP module
The A/D module
Brown-out Reset added to the core
MCLR Filter
USART
Device Oscillator
0Ch
Note 1: Mapped in Bank0.
0Bh
00h
7Fh
1Fh
7Fh
00h
20h
70h
Bank0 Bank1
GPR
2: Unimplemented, read as '0'.
3: Some devices have some GPR located in the SFR region.
SFR
show the various memory maps that have been implemented in the midrange family.
D
Bank0
SFR
GPR
(3)
SFR
Various Data Memory Maps
(1)
80h
9Fh
A0h
F0h
FFh
80h
8Bh
8Ch
FFh
“Memory Organization”
Bank1
GPR
SFR
(1)
1Fh
7Fh
00h
20h
170h
17Fh
100h
11Fh
120h
B
Bank0 Bank1
GPR
SFR
Bank2
GPR
SFR
(1)
GPR
SFR
180h
19Fh
1A0h
1F0h
1FFh
section for use and implementation of the
80h
9Fh
A0h
FFh
Bank3
GPR
SFR
(1)
1Fh
7Fh
Appendix C
00h
20h
Bank0 Bank1
C
GPR
SFR
DS31034A-page 34-13
SFR
(2)
80h
9Fh
A0h
FFh
34
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