PIC16F874-20I/PQ Microchip Technology, PIC16F874-20I/PQ Datasheet - Page 140
![IC MCU FLASH 4KX14 EE 44-MQFP](/photos/6/59/65984/150-44-pqfp_sml.jpg)
PIC16F874-20I/PQ
Manufacturer Part Number
PIC16F874-20I/PQ
Description
IC MCU FLASH 4KX14 EE 44-MQFP
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16F688T-ISL.pdf
(688 pages)
3.PIC16F873-04SO.pdf
(218 pages)
4.PIC16F873-04SO.pdf
(5 pages)
5.PIC16F873-04SO.pdf
(5 pages)
Specifications of PIC16F874-20I/PQ
Core Size
8-Bit
Program Memory Size
7KB (4K x 14)
Oscillator Type
External
Core Processor
PIC
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
33
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
Operating Temperature
-40°C ~ 85°C
Package / Case
44-MQFP, 44-PQFP
Controller Family/series
PIC16F
No. Of I/o's
33
Eeprom Memory Size
128Byte
Ram Memory Size
192Byte
Cpu Speed
20MHz
Processor Series
PIC16F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
192 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
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16F874-20I/PQ
Manufacturer:
IDT
Quantity:
1 145
Company:
Part Number:
PIC16F874-20I/PQ
Manufacturer:
Microchip Technology
Quantity:
10 000
PIC16F87X
CALL
Syntax:
Operands:
Operation:
Status Affected:
Description:
CLRF
Syntax:
Operands:
Operation:
Status Affected:
Description:
CLRW
Syntax:
Operands:
Operation:
Status Affected:
Description:
DS30292C-page 138
Call Subroutine
[ label ] CALL k
0
(PC)+ 1
k
(PCLATH<4:3>)
None
Call Subroutine. First, return
address (PC+1) is pushed onto
the stack. The eleven-bit immedi-
ate address is loaded into PC bits
<10:0>. The upper bits of the PC
are loaded from PCLATH. CALL is
a two-cycle instruction.
Clear W
[ label ] CLRW
None
00h
1
Z
W register is cleared. Zero bit (Z)
is set.
Clear f
[label] CLRF
0
00h
1
Z
The contents of register ’f’ are
cleared and the Z bit is set.
k
f
PC<10:0>,
Z
Z
2047
127
(W)
(f)
TOS,
f
PC<12:11>
CLRWDT
Syntax:
Operands:
Operation:
Status Affected:
Description:
COMF
Syntax:
Operands:
Operation:
Status Affected:
Description:
DECF
Syntax:
Operands:
Operation:
Status Affected:
Description:
Complement f
[ label ] COMF
0
d
(f)
Z
The contents of register ’f’ are
complemented. If ’d’ is 0, the
result is stored in W. If ’d’ is 1, the
result is stored back in register ’f’.
Decrement f
[label] DECF f,d
0
d
(f) - 1
Z
Decrement register ’f’. If ’d’ is 0,
the result is stored in the W
register. If ’d’ is 1, the result is
stored back in register ’f’.
Clear Watchdog Timer
[ label ] CLRWDT
None
00h
0
1
1
TO, PD
CLRWDT instruction resets the
Watchdog Timer. It also resets
the prescaler of the WDT. Status
bits TO and PD are set.
f
f
[0,1]
[0,1]
WDT prescaler,
TO
PD
(destination)
127
127
2001 Microchip Technology Inc.
WDT
(destination)
f,d