PIC16F721-I/SO Microchip Technology, PIC16F721-I/SO Datasheet - Page 63

• 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 6-12:
REGISTER 6-13:
 2010 Microchip Technology Inc.
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7-0
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7-6
bit 5-4
bit 3-0
Note 1: Setting a pin to an analog input automatically disables the digital input circuitry. Weak pull-ups, if available,
ANSC7
TRISC7
R/W-1
R/W-1
are unaffected. The corresponding TRIS bit must be set to Input mode by the user in order to allow external
control of the voltage on the pin.
ANSC<7:6>: Analog Select between Analog or Digital Function on Pins RB<7:6>, respectively
0 = Digital I/O. Pin is assigned to port or digital special function.
1 = Analog input. Pin is assigned as analog input
Unimplemented: Read as ‘0’
ANSC<3:0>: Analog Select between Analog or Digital Function on Pins RC<3:0>, respectively
0 = Digital I/O. Pin is assigned to port or digital special function.
1 = Analog input. Pin is assigned as analog input
TRISC<7:0>: PORTC Tri-State Control bits
1 = PORTC pin configured as an input (tri-stated)
0 = PORTC pin configured as an output
ANSC6
R/W-1
TRISC6
R/W-1
TRISC: PORTC TRI-STATE REGISTER
ANSELC: ANALOG SELECT REGISTER FOR PORTC
W = Writable bit
‘1’ = Bit is set
W = Writable bit
‘1’ = Bit is set
TRISC5
R/W-1
U-0
—
TRISC4
R/W-1
U-0
—
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
TRISC3
ANSC3
R/W-1
R/W-1
(1)
(1)
. Digital input buffer disabled.
. Digital input buffer disabled.
PIC16F/LF720/721
TRISC2
ANSC2
R/W-1
R/W-1
x = Bit is unknown
x = Bit is unknown
TRISC1
ANSC1
R/W-1
R/W-1
DS41430A-page 63
TRISC0
ANSC0
R/W-1
R/W-1
bit 0
bit 0