PIC16F874A-E/L Microchip Technology, PIC16F874A-E/L Datasheet - Page 135
![IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,LDCC,44PIN,PLASTIC](/photos/6/63/66325/150-44-plcc_sml.jpg)
PIC16F874A-E/L
Manufacturer Part Number
PIC16F874A-E/L
Description
IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,LDCC,44PIN,PLASTIC
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/L
Rohs Compliant
YES
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-PLCC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
DVA16XL441 - ADAPTER DEVICE ICE 44PLCC309-1040 - ADAPTER 44-PLCC ZIF TO 40-DIP309-1039 - ADAPTER 44-PLCC TO 40-DIP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16F874A-E/L
Manufacturer:
Microchip Technology
Quantity:
10 000
- 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: 135 of 234
- Download datasheet (5Mb)
11.5
The A/D module can operate during Sleep mode. This
requires that the A/D clock source be set to RC
(ADCS1:ADCS0 = 11). When the RC clock source is
selected, the A/D module waits one instruction cycle
before starting the conversion. This allows the SLEEP
instruction to be executed which eliminates all digital
switching noise from the conversion. When the conver-
sion is completed, the GO/DONE bit will be cleared and
the result loaded into the ADRES register. If the A/D
interrupt is enabled, the device will wake-up from
Sleep. If the A/D interrupt is not enabled, the A/D mod-
ule will then be turned off, although the ADON bit will
remain set.
When the A/D clock source is another clock option (not
RC), a SLEEP instruction will cause the present conver-
sion to be aborted and the A/D module to be turned off,
though the ADON bit will remain set.
Turning off the A/D places the A/D module in its lowest
current consumption state.
TABLE 11-2:
2003 Microchip Technology Inc.
0Bh,8Bh,
10Bh,18Bh
0Ch
8Ch
1Eh
9Eh
1Fh
9Fh
85h
05h
89h
09h
Legend:
Note 1:
Address
(1)
(1)
A/D Operation During Sleep
x = unknown, u = unchanged, - = unimplemented, read as ‘0’. Shaded cells are not used for A/D conversion.
These registers are not available on 28-pin devices.
INTCON
PIR1
PIE1
ADRESH A/D Result Register High Byte
ADRESL A/D Result Register Low Byte
ADCON0
ADCON1
TRISA
PORTA
TRISE
PORTE
Name
REGISTERS/BITS ASSOCIATED WITH A/D
PSPIE
PSPIF
ADCS1 ADCS0
ADFM
Bit 7
GIE
IBF
—
—
—
(1)
(1)
ADCS2
Bit 6
PEIE
ADIF
ADIE
OBF
—
—
—
PORTA Data Direction Register
PORTA Data Latch when written: PORTA pins when read
TMR0IE
CHS2
RCIF
RCIE
IBOV
Bit 5
—
—
PSPMODE
CHS1
Bit 4
INTE
TXIF
TXIE
—
—
PCFG3
SSPIE
SSPIF
CHS0 GO/DONE
RBIE
Bit 3
—
—
11.6
A device Reset forces all registers to their Reset state.
This forces the A/D module to be turned off and any
conversion is aborted. All A/D input pins are configured
as analog inputs.
The value that is in the ADRESH:ADRESL registers is
not
ADRESH:ADRESL registers will contain unknown data
after a Power-on Reset.
PORTE Data Direction bits
Note:
TMR0IF
CCP1IF
CCP1IE
PCFG2
Bit 2
RE2
modified
Effects of a Reset
For the A/D module to operate in Sleep,
the A/D clock source must be set to RC
(ADCS1:ADCS0 = 11). To allow the con-
version to occur during Sleep, ensure the
SLEEP instruction immediately follows the
instruction that sets the GO/DONE bit.
TMR2IE TMR1IE 0000 0000 0000 0000
TMR2IF TMR1IF 0000 0000 0000 0000
PCFG1
Bit 1
INTF
RE1
—
for
PIC16F87XA
PCFG0 00-- 0000
ADON
Bit 0
RBIF
RE0
a
Power-on
0000 000x 0000 000u
xxxx xxxx uuuu uuuu
xxxx xxxx uuuu uuuu
0000 00-0 0000 00-0
--11 1111 --11 1111
--0x 0000 --0u 0000
0000 -111 0000 -111
---- -xxx ---- -uuu
POR, BOR
Value on
DS39582B-page 133
Reset.
MCLR, WDT
00-- 0000
Value on
The
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