PIC16F688-I/P Microchip Technology, PIC16F688-I/P Datasheet - Page 63

• Manufacturer Part Number: PIC16F688-I/P
• Description: IC PIC MCU FLASH 4KX14 14DIP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F688-I/P

• Program Memory Type: FLASH
• Program Memory Size: 7KB (4K x 14)
• Package / Case: 14-DIP (0.300", 7.62mm)
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: UART/USART
• Peripherals: Brown-out Detect/Reset, POR, WDT
• Number Of I /o: 12
• Eeprom Size: 256 x 8
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: PIC16F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Interface Type: SCI/USART
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 12
• Number Of Timers: 2
• Operating Supply Voltage: 2 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734
• Development Tools By Supplier: PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, DM163014, DM164120-4
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8-ch x 10-bit
• Data Rom Size: 256 B
• Height: 3.3 mm
• Length: 19.05 mm
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2 V
• Width: 6.35 mm
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: AC162066 - HEADER INTRFC MPLAB ICD2 20PINAC162061 - HEADER INTRFC MPLAB ICD2 20PINDM163029 - BOARD PICDEM FOR MECHATRONICSAC162056 - HEADER INTERFACE ICD2 16F688ACICE0207 - MPLABICE 14P 300 MIL ADAPTERAC124001 - MODULE SKT PROMATEII 8DIP/SOIC
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

REGISTER 7-3:
TABLE 7-2:
 2004 Microchip Technology Inc.
0Bh/8Bh
0Ch
19h
1Ah
85h/185h
87h/187h
8Ch
99h
Legend:
Address
x = unknown, u = unchanged, - = unimplemented, read as ‘0’. Shaded cells are not used by the comparator or Comparator Voltage
Reference module.
bit 7
bit 6
bit 5
bit 4
bit 3-0
INTCON
PIR1
CMCON0
CMCON1
TRISA
TRISC
PIE1
VRCON
Name
REGISTERS ASSOCIATED WITH COMPARATOR MODULE
C2OUT
VREN
VRCON – VOLTAGE REFERENCE CONTROL REGISTER (ADDRESS: 99h)
Bit 7
EEIF
EEIE
bit 7
GIE
VREN: CV
1 = CV
0 = CV
Unimplemented: Read as ‘0’
VRR: CV
1 = Low range
0 = High range
Unimplemented: Read as ‘0’
VR<3:0>: CV
When VRR = 1: CV
When VRR = 0: CV
Legend:
R = Readable bit
- n = Value at POR
—
—
—
R/W-0
VREN
REF
REF
C1OUT
PEIE
ADIF
ADIE
Bit 6
REF
—
—
—
—
REF
circuit powered on
circuit powered down, no I
Range Selection bit
REF
Enable bit
U-0
—
TRISA5
TRISC5
C2INV
RCIE
RCIF
Bit 5
T0IE
VRR
value selection 0
—
REF
REF
= (VR<3:0>/24) * V
= V
TRISA4
TRISC4
R/W-0
C1INV
Bit 4
INTE
C2IF
C2IE
VRR
DD
Preliminary
—
—
W = Writable bit
‘1’ = Bit is set
/4 + (VR<3:0>/32) * V
TRISA3
TRISC3
RAIE
C1IE
Bit 3
C1IF
VR3
CIS
—
DD
R/W-0
VR<3:0>
—
drain and CV
DD
TRISC2
TRISA2
OSFIF
OSFIE
Bit 2
T0IF
CM2
VR2
—
R/W-0
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
15
VR3
DD
TRISA1
TRISC1
T1GSS
TXIE
Bit 1
INTF
TXIF
CM1
VR1
REF
= V
C2SYNC
R/W-0
TMR1IF
TRISC0
TMR1IE
SS
TRISA0
VR2
Bit 0
RAIF
CM0
VR0
.
PIC16F688
0000 0000
0000 0000
0000 0000
---- --10
--11 1111
--11 1111
0000 0000
0-0- 0000
POR, BOD
x = Bit is unknown
Value on
R/W-0
VR1
DS41203B-page 61
0000 0000
0000 0000
0000 0000
---- --10
--11 1111
--11 1111
0000 0000
0-0- 0000
Value on
all other
R/W-0
Resets
VR0
bit 0