PIC16F688-I/ML Microchip Technology, PIC16F688-I/ML Datasheet - Page 73

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

Specifications of PIC16F688-I/ML

• Program Memory Type: FLASH
• Program Memory Size: 7KB (4K x 14)
• Package / Case: 16-QFN
• 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: EUSART/RS- 232/SCI/USB
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 12
• Number Of Timers: 2
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 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
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: AC164324 - MODULE SKT FOR MPLAB 8DFN/16QFNXLT16QFN1 - SOCKET TRANSITION 14DIP TO 16QFNAC162061 - HEADER INTRFC MPLAB ICD2 20PINAC162056 - HEADER INTERFACE ICD2 16F688
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

8.2.6
The following registers are used to control the operation of the ADC.
REGISTER 8-1:
REGISTER 8-2:
© 2009 Microchip Technology Inc.
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7
bit 6
bit 5
bit 4-2
bit 1
bit 0
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7
bit 6-4
bit 3-0
ADFM
R/W-0
U-0
—
ADC REGISTER DEFINITIONS
ADFM: A/D Conversion Result Format Select bit
1 = Right justified
0 = Left justified
VCFG: Voltage Reference bit
1
0
Unimplemented: Read as ‘0’
CHS<2:0>: Analog Channel Select bits
000 = AN0
001 = AN1
010 = AN2
011 = AN3
100 = AN4
101 = AN5
110 = AN6
111 = AN7
GO/DONE: A/D Conversion Status bit
1
0
ADON: ADC Enable bit
1 = ADC is enabled
0 = ADC is disabled and consumes no operating current
Unimplemented: Read as ‘0’
ADCS<2:0>: A/D Conversion Clock Select bits
000 = F
001 = F
010 = F
x11 = F
100 = F
101 = F
110 = F
Unimplemented: Read as ‘0’
=
=
=
=
ADCS2
VCFG
This bit is automatically cleared by hardware when the A/D Conversion has completed.
R/W-0
V
V
A/D Conversion cycle in progress. Setting this bit starts an A/D Conversion cycle.
A/D Conversion completed/not in progress
R/W-0
REF
DD
ADCON0: A/D CONTROL REGISTER 0
ADCON1: A/D CONTROL REGISTER 1
OSC
OSC
OSC
RC
OSC
OSC
OSC
pin
(clock derived from a dedicated internal oscillator = 500 kHz max)
/2
/8
/32
/4
/16
/64
W = Writable bit
‘1’ = Bit is set
W = Writable bit
‘1’ = Bit is set
ADCS1
R/W-0
U-0
—
ADCS0
CHS2
R/W-0
R/W-0
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
CHS1
R/W-0
U-0
—
CHS0
R/W-0
U-0
—
x = Bit is unknown
x = Bit is unknown
PIC16F688
GO/DONE
R/W-0
U-0
—
DS41203E-page 71
ADON
R/W-0
U-0
—
bit 0
bit 0