PIC16F874-20/L Microchip Technology, PIC16F874-20/L Datasheet - Page 426

• Manufacturer Part Number: PIC16F874-20/L
• Description: IC MCU FLASH 4KX14 EE 44PLCC
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F874-20/L

• Core Size: 8-Bit
• Program Memory Size: 7KB (4K x 14)
• 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
• Oscillator Type: External
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 44-PLCC
• Controller Family/series: PIC16F
• No. Of I/o's: 33
• Eeprom Memory Size: 128Byte
• Ram Memory Size: 192Byte
• Cpu Speed: 20MHz
• No. Of Timers: 3
• 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
• Operating Supply Voltage: 2 V to 5.5 V
• Maximum Operating Temperature: + 70 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: 0 C
• On-chip Adc: 10 bit, 8 Channel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: AC164309 - MODULE SKT FOR PM3 44PLCC444-1001 - DEMO BOARD FOR PICMICRO MCUDVA16XL441 - ADAPTER DEVICE ICE 44PLCC309-1040 - ADAPTER 44-PLCC ZIF TO 40-DIP309-1039 - ADAPTER 44-PLCC TO 40-DIPDV007003 - PROGRAMMER UNIVERSAL PROMATE II
• Lead Free Status / Rohs Status: Details

PICmicro MID-RANGE MCU FAMILY
Register 23-2:
DS31023A-page 23-4
bit 7:6
bit 5
bit 4
bit 3:0
ADCON1 Register
Unimplemented: Read as '0'
ADFM: A/D Result format select (also see
1 = Right justified. 6 Most Significant bits of ADRESH are read as ’0’.
0 = Left justified. 6 Least Significant bits of ADRESL are read as ’0’.
Unimplemented: Read as '0'
PCFG3:PCFG0: A/D Port Configuration Control bits
Legend
R = Readable bit
U = Unimplemented bit, read as ‘0’
bit 7
PCFG AN7 AN6 AN5 AN4
0000
0001
0010
0011
0100
0101
011x
1000
1001
1010
1011
1100
1101
1110
1111
Note 1: On any device reset, the port pins that are multiplexed with analog functions (ANx)
U-0
—
A = Analog input
C/R = # of analog input channels / # of A/D voltage references
D
D
D
D
D
D
D
D
D
D
D
D
A
A
A
are forced to be an analog input.
U-0
—
D
D
D
D
D
D
D
D
D
D
D
D
A
A
A
D
D
D
D
D
D
D
D
D
A
A
A
A
A
A
W = Writable bit
D = Digital I/O
ADFM
R/W-0
Preliminary
A
A
A
A
D
D
D
A
A
A
A
A
D
D
D
V
V
V
V
V
V
V
V
V
AN3
REF
REF
REF
REF
REF
REF
REF
REF
REF
A
A
A
D
A
D
+
+
+
+
+
+
+
+
+
U-0
—
Figure
V
V
V
V
V
AN2
REF
REF
REF
REF
REF
A
A
A
A
D
D
D
A
A
D
-
-
-
-
-
23-6).
- n = Value at POR reset
PCFG3
R/W-0
AN1 AN0 V
A
A
A
A
A
A
D
A
A
A
A
A
A
D
D
D
A
A
A
A
A
A
A
A
A
A
A
A
A
A
PCFG2
R/W-0
AV
AV
AV
AV
AV
AN3
AN3
AN3
AN3
AN3
AN3
AN3
AN3
AN3
1997 Microchip Technology Inc.
REF
—
DD
DD
DD
DD
DD
+ V
AV
AV
AV
AV
AV
AV
AV
AV
AV
PCFG1
AN2
AN2
AN2
AN2
AN2
R/W-0
REF
—
SS
SS
SS
SS
SS
SS
SS
SS
SS
-
C / R
8 / 0
7 / 1
5 / 0
4 / 1
3 / 0
2 / 1
0 / 0
6 / 2
6 / 0
5 / 1
4 / 2
3 / 2
2 / 2
1 / 0
1 / 2
bit 0
PCFG0
R/W-0