PIC16F721T-I/SO Microchip Technology, PIC16F721T-I/SO Datasheet - Page 34

• Manufacturer Part Number: PIC16F721T-I/SO
• Description: 7 KB FLASH, 256 B SRAM, 18 I/O 20 SOIC .300in T/R
• Manufacturer: Microchip Technology
• Series: PIC® XLP™ 16Fr

Specifications of PIC16F721T-I/SO

• 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
TABLE 3-6:
DS41430A-page 34
W
INDF
TMR0
PCL
STATUS
FSR
PORTA
PORTB
PORTC
PCLATH
INTCON
PIR1
TMR1L
TMR1H
T1CON
TMR2
T2CON
SSPBUF
SSPCON
CCPR1L
CCPR1H
CCP1CON
RCSTA
TXREG
RCREG
ADRES
ADCON0
OPTION_REG
TRISA
TRISB
TRISC
PIE1
Legend: u = unchanged, x = unknown,
Note 1:
Register
2:
3:
4:
5:
If V
One or more bits in INTCON and/or PIR1 will be affected (to cause wake-up).
When the wake-up is due to an interrupt and the GIE bit is set, the PC is loaded with the interrupt
vector (0004h).
See
If Reset was due to brown-out, then bit 0 = 0. All other Resets will cause bit 0 = u.
DD
Table 3-8
10Ah/18Ah
10Bh/18Bh
100h/180h
102h/182h
103h/183h
104h/184h
INITIALIZATION CONDITION FOR REGISTERS
goes too low, Power-on Reset will be activated and registers will be affected differently.
01h/101h
81h/181h
0Ah/8Ah/
0Bh/8Bh/
Address
00h/80h/
02h/82h/
03h/83h/
04h/84h/
0Ch
0Eh
1Ah
1Eh
8Ch
05h
06h
07h
0Fh
10h
12h
13h
14h
15h
16h
17h
18h
19h
1Fh
85h
86h
87h
11h
—
for Reset value for specific condition.
Brown-out Reset
Power-on Reset/
xxxx xxxx
xxxx xxxx
xxxx xxxx
0000 0000
0001 1xxx
xxxx xxxx
--xx xxxx
xxxx ----
xxxx xxxx
---0 0000
0000 000x
0000 0000
xxxx xxxx
xxxx xxxx
0000 -0-0
0000 0000
-000 0000
xxxx xxxx
0000 0000
xxxx xxxx
xxxx xxxx
--00 0000
0000 000x
0000 0000
0000 0000
xxxx xxxx
--00 0000
1111 1111
--11 -111
1111 ----
1111 1111
0000 0000
-
= unimplemented bit, reads as ‘0’, q = value depends on condition.
(1)
MCLR Reset/
--xx xxxx
xxxx ----
xxxx xxxx
WDT Reset
uuuu uuuu
xxxx xxxx
uuuu uuuu
0000 0000
000q quuu
uuuu uuuu
---0 0000
0000 000x
0000 0000
uuuu uuuu
uuuu uuuu
0000 -0-0
0000 0000
-000 0000
xxxx xxxx
0000 0000
xxxx xxxx
xxxx xxxx
--00 0000
0000 000x
0000 0000
0000 0000
uuuu uuuu
--00 0000
1111 1111
--11 -111
1111 ----
1111 1111
0000 0000
(4)
Wake-up from Sleep through
 2010 Microchip Technology Inc.
Interrupt/Time-out
uuuu uuuu
uuuu uuuu
uuuu uuuu
PC + 1
uuuq quuu
uuuu uuuu
--uu uuuu
uuuu ----
uuuu uuuu
---u uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu -u-u
uuuu uuuu
-uuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
--uu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
--uu uuuu
uuuu uuuu
--uu -uuu
uuuu ----
uuuu uuuu
uuuu uuuu
(3)
(4)
(2)
(2)