PIC16F721T-I/ML Microchip Technology, PIC16F721T-I/ML Datasheet - Page 10

• Manufacturer Part Number: PIC16F721T-I/ML
• Description: 7 KB FLASH, 256 B SRAM, 18 I/O 20 QFN 4x4mm T/R
• Manufacturer: Microchip Technology
• Series: PIC® XLP™ 16Fr

Specifications of PIC16F721T-I/ML

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 17
• Program Memory Size: 7KB (4K x 14)
• 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: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PIC16F/LF720/721
FIGURE 1-1:
DS41430A-page 10
AN0 AN1 AN2 AN3 AN4
(PIC16F720
CLKOUT
CLKIN
2K x 14
Program
Program
Program
Oscillator
Oscillator
Oscillator
Bus
Bus
Bus
Internal
Internal
Internal
Block
Block
Block
Analog-To-Digital Converter
Instruction Reg
Instruction reg
Instruction reg
Configuration
Configuration
Configuration
Generation
Generation
Generation
Instruction
Instruction
Instruction
Decode &
Decode &
Decode &
14
14
14
Program
Program
Program
Memory
Memory
Memory
Control
Control
Control
Timing
Timing
Timing
8K x 14
8K x 14
4K x 14
Flash
Flash
Flash
20-PIN DEVICE BLOCK DIAGRAM FOR PIC16F720/721
AN5
Timer0
Timer0
Timer0
T0CKI
T0CKI
T0CKI
AN6
8
8
8
13
13
13
MCLR V
MCLR V
MCLR V
AN7
Direct Addr
Direct Addr
Direct Addr
Program Counter
Program Counter
Program Counter
T1G
8 Level Stack
8 Level Stack
8 Level Stack
Power-up
Watchdog
Watchdog
Brown-out
Brown-out
Regulator
Power-on
Power-on
Timer1
Timer1
Timer1
Timer
AN8
Reset
Reset
Timer
Timer
Reset
Reset
LDO
(13-bit)
(13-bit)
(13-bit)
DD
DD
DD
T1CKI
T1CKI
T1CKI
AN9
V
V
V
SS
SS
SS
7
7
7
AN10 AN11
RAM Addr
RAM Addr
RAM Addr
Timer2
Timer2
Timer2
CCP1
8
8
8
3
3
3
Data Bus
Data Bus
Data Bus
Addr MUX
Addr MUX
Addr MUX
Registers
Registers
Registers
W Reg
W reg
W reg
368 x 8
368 x 8
256 x 8
ALU
ALU
ALU
RAM
RAM
RAM
File
File
File
STATUS Reg
STATUS reg
STATUS reg
FSR Reg
FSR reg
FSR reg
TX/CK RX/DT
CCP1
MUX
MUX
MUX
9
9
9
8
8
8
AUSART
AUSART
(PIC16F720
Indirect
Indirect
Indirect
128 x 8)
Addr
Addr
Addr
8
8
8
ICSPCLK
Self read/
write Flash
memory
EEADDR
PMDATL
AUSART
PORTA
PORTB
PORTB
PORTB
PORTC
PORTC
PORTC
ICSP™
ICSPDAT
 2010 Microchip Technology Inc.
RA0
RA1
RA2
RA3
RA4
RA5
RB4
RB5
RB6
RB7
RC0
RC1
RC1
RC2
RC3
RC4
RC5
RC6
RC7
SDO
SDO
SDO
Synchronous
Synchronous
Synchronous
SDA SCL
SDA SCL
SDA SCL
SDI/ SCK/
Serial Port
Serial Port
Serial Port
SCK/
SCK/
SS
SS
SS