PIC16F874A-E/ML Microchip Technology, PIC16F874A-E/ML Datasheet - Page 149
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: 149 of 234
- Download datasheet (5Mb)
14.3
The PIC16F87XA differentiates between various kinds
of Reset:
• Power-on Reset (POR)
• MCLR Reset during normal operation
• MCLR Reset during Sleep
• WDT Reset (during normal operation)
• WDT Wake-up (during Sleep)
• Brown-out Reset (BOR)
Some registers are not affected in any Reset condition.
Their status is unknown on POR and unchanged in any
other Reset. Most other registers are reset to a “Reset
FIGURE 14-4:
2003 Microchip Technology Inc.
MCLR
OSC1
Note 1: This is a separate oscillator from the RC oscillator of the CLKI pin.
V
DD
Reset
On-chip
RC OSC
OST/PWRT
V
Brown-out
(1)
Module
Detect
DD
WDT
Reset
Rise
SIMPLIFIED BLOCK DIAGRAM OF ON-CHIP RESET CIRCUIT
OST
PWRT
WDT
Time-out
Reset
10-bit Ripple Counter
10-bit Ripple Counter
BODEN
Power-on Reset
External
Reset
Sleep
state” on Power-on Reset (POR), on the MCLR and
WDT Reset, on MCLR Reset during Sleep and Brown-
out Reset (BOR). They are not affected by a WDT
wake-up which is viewed as the resumption of normal
operation. The TO and PD bits are set or cleared differ-
ently in different Reset situations as indicated in
Table 14-4. These bits are used in software to deter-
mine the nature of the Reset. See Table 14-6 for a full
description of Reset states of all registers.
A simplified block diagram of the on-chip Reset circuit
is shown in Figure 14-4.
PIC16F87XA
S
R
DS39582B-page 147
Q
Enable PWRT
Enable OST
Chip_Reset
Related parts for PIC16F874A-E/ML
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
IC MCU FLASH 4KX14 EE 40DIP
Manufacturer:
Microchip Technology
Datasheet:
Part Number:
Description:
IC MCU FLASH 4KX14 EE 40DIP
Manufacturer:
Microchip Technology
Datasheet:
Part Number:
Description:
IC MCU FLASH 4KX14 EE 44PLCC
Manufacturer:
Microchip Technology
Datasheet:
Part Number:
Description:
IC MCU FLASH 4KX14 EE 44TQFP
Manufacturer:
Microchip Technology
Datasheet:
Part Number:
Description:
IC MCU FLASH 4KX14 EE 40DIP
Manufacturer:
Microchip Technology
Datasheet:
Part Number:
Description:
IC MCU FLASH 4KX14 EE 44PLCC
Manufacturer:
Microchip Technology
Datasheet:
Part Number:
Description:
IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,QFP,44PIN,PLASTIC
Manufacturer:
Microchip Technology
Datasheet:
Part Number:
Description:
IC MCU FLASH 4KX14 EE 44PLCC
Manufacturer:
Microchip Technology
Datasheet:
Part Number:
Description:
IC MCU FLASH 4KX14 EE 44TQFP
Manufacturer:
Microchip Technology
Datasheet:
Part Number:
Description:
IC MCU FLASH 4KX14 EE 44MQFP
Manufacturer:
Microchip Technology
Datasheet:
Part Number:
Description:
IC MCU FLASH 4KX14 EE 44TQFP
Manufacturer:
Microchip Technology
Datasheet:
Part Number:
Description:
IC MCU FLASH 4KX14 EE 40DIP
Manufacturer:
Microchip Technology
Datasheet:
Part Number:
Description:
IC MCU FLASH 4KX14 EE 44-MQFP
Manufacturer:
Microchip Technology
Datasheet:
Part Number:
Description:
IC MCU FLASH 4KX14 EE 40DIP
Manufacturer:
Microchip Technology
Datasheet:
Part Number:
Description:
IC MCU FLASH 4KX14 EE 44PLCC
Manufacturer:
Microchip Technology
Datasheet: