PIC16F690-E/P Microchip Technology Inc., PIC16F690-E/P Datasheet - Page 115

• Manufacturer Part Number: PIC16F690-E/P
• Description: 20 PIN, 7 KB FLASH, 256 RAM, 18 I/O
• Manufacturer: Microchip Technology Inc.

Specifications of PIC16F690-E/P

• A/d Inputs: 12-Channel, 10-Bit
• Comparators: 2
• Cpu Speed: 7 MIPS
• Eeprom Memory: 256 Bytes
• Input Output: 18
• Interface: USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 20-pin PDIP
• Programmable Memory: 7K Bytes
• Ram Size: 256 Bytes
• Speed: 20 MHz
• Timers: 2-8-bit, 1-16-bit
• Voltage, Range: 2-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

REGISTER 9-1:
© 2006 Microchip Technology Inc.
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7
bit 6
bit 5-2
bit 1
bit 0
ADFM
R/W-0
ADFM: A/D Conversion Result Format Select bit
1 = Right justified
0 = Left justified
VCFG: Voltage Reference bit
1 = V
0 = V
CHS<3:0>: Analog Channel Select bits
0000 = AN0
0001 = AN1
0010 = AN2
0011 = AN3
0100 = AN4
0101 = AN5
0110 = AN6
0111 = AN7
1000 = AN8
1001 = AN9
1010 = AN10
1011 = AN11
1100 = CV
1101 = 0.6V Reference
1110 = Reserved. Do not use.
1111 = Reserved. Do not use.
GO/DONE: A/D Conversion Status bit
1 = A/D conversion cycle in progress. Setting this bit starts an A/D conversion cycle.
0 = A/D conversion completed/not in progress
ADON: ADC Enable bit
1 = ADC is enabled
0 = ADC is disabled and consumes no operating current
VCFG
R/W-0
This bit is automatically cleared by hardware when the A/D conversion has completed.
REF
DD
ADCON0: A/D CONTROL REGISTER 0
pin
REF
W = Writable bit
‘1’ = Bit is set
CHS3
R/W-0
PIC16F631/677/685/687/689/690
CHS2
R/W-0
Preliminary
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
CHS1
R/W-0
CHS0
R/W-0
x = Bit is unknown
GO/DONE
R/W-0
DS41262C-page 113
ADON
R/W-0
bit 0