PIC16F721-I/SO Microchip Technology, PIC16F721-I/SO Datasheet - Page 57

• Manufacturer Part Number: PIC16F721-I/SO
• Description: MCU PIC 4K FLASH 20-SOIC
• Manufacturer: Microchip Technology
• Series: PIC® XLP™ 16Fr

Specifications of PIC16F721-I/SO

• Core Size: 8-Bit
• Program Memory Size: 7KB (4K x 14)
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Core Processor: PIC
• Speed: 16MHz
• Connectivity: I²C, SPI, UART/USART
• Number Of I /o: 17
• Program Memory Type: FLASH
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 12x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-SOIC (0.300", 7.50mm Width)
• Controller Family/series: PIC16F
• No. Of I/o's: 18
• Ram Memory Size: 256Byte
• Cpu Speed: 16MHz
• No. Of Timers: 3
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

REGISTER 6-6:
REGISTER 6-7:
REGISTER 6-8:
 2010 Microchip Technology Inc.
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7-4
bit 3-0
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7-4
bit 3-0
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7-4
bit 3-0
Note 1:
TRISB7
WPUB7
R/W-1
R/W-1
R/W-x
RB7
2:
Global RABPU bit of the OPTION register must be cleared for individual pull-ups to be enabled.
The weak pull-up device is automatically disabled if the pin is in configured as an output.
RB<7:4>: PORTB I/O Pin bit
1 = Port pin is > V
0 = Port pin is < V
Unimplemented: Read as ‘0’
TRISB<7:4>: PORTB Tri-State Control bit
1 = PORTB pin configured as an input (tri-stated)
0 = PORTB pin configured as an output
Unimplemented: Read as ‘0’
WPUB<7:4>: Weak Pull-up PORTB Control bits
1 = Weak pull-up enabled
0 = Weak pull-up disabled
Unimplemented: Read as ‘0’
TRISB6
WPUB6
R/W-1
R/W-1
R/W-x
RB6
PORTB: PORTB REGISTER
TRISB: PORTB TRI-STATE REGISTER
WPUB: WEAK PULL-UP PORTB REGISTER
W = Writable bit
‘1’ = Bit is set
W = Writable bit
‘1’ = Bit is set
W = Writable bit
‘1’ = Bit is set
TRISB5
WPUB5
IH
IL
R/W-1
R/W-1
R/W-x
RB5
(1,2)
TRISB4
WPUB4
R/W-x
R/W-1
R/W-1
RB4
U = Unimplemented bit, read as ‘0’
U = Unimplemented bit, read as ‘0’
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
‘0’ = Bit is cleared
‘0’ = Bit is cleared
U-0
U-0
U-0
—
—
—
PIC16F/LF720/721
U-0
U-0
U-0
—
—
—
x = Bit is unknown
x = Bit is unknown
x = Bit is unknown
U-0
U-0
U-0
—
—
—
DS41430A-page 57
U-0
U-0
U-0
—
—
—
bit 0
bit 0
bit 0