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PIC16F684-E/ST Datasheet(PDF) 64 Page - Microchip Technology

Part # PIC16F684-E/ST
Description  14-Pin Flash-Based, 8-Bit CMOS Microcontrollers with nanoWatt Technology
PDF  164 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC16F684-E/ST Datasheet(HTML) 64 Page - Microchip Technology

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PIC16F684
DS41202C-page 62
Preliminary
 2004 Microchip Technology Inc.
REGISTER 8-3:
VRCON – VOLTAGE REFERENCE CONTROL REGISTER (ADDRESS: 99h)
TABLE 8-2:
REGISTERS ASSOCIATED WITH COMPARATOR MODULE
R/W-0
U-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
VREN
—VRR
—
VR3
VR2
VR1
VR0
bit 7
bit 0
bit 7
VREN: CVREF Enable bit
1
= CVREF circuit powered on
0
= CVREF circuit powered down, no IDD drain and CVREF = VSS
bit 6
Unimplemented: Read as ‘0’
bit 5
VRR: CVREF Range Selection bit
1
= Low range
0
= High range
bit 4
Unimplemented: Read as ‘0’
bit 3-0
VR<3:0>: CVREF Value Selection 0
≤ VR<3:0> ≤ 15
When VRR = 1: CVREF = (VR<3:0>/24) * VDD
When VRR = 0: CVREF = VDD/4 + (VR<3:0>/32) * VDD
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
-n = Value at POR
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown
Address
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Value on
POR, BOD
Value on
all other
Resets
0Bh/8Bh
INTCON
GIE
PEIE
T0IE
INTE
RAIE
T0IF
INTF
RAIF
0000 0000
0000 0000
0Ch
PIR1
EEIF
ADIF
CCP1IF
C2IF
C1IF
OSFIF
TMR2IF
TMR1IF
0000 0000
0000 0000
19h
CMCON0
C2OUT
C1OUT
C2INV
C1INV
CIS
CM2
CM1
CM0
0000 0000
0000 0000
1Ah
CMCON1
—
—
—
—
—
—
T1GSS
C2SYNC
---- --10
---- --10
85h
TRISA
—
—
TRISA5
TRISA4
TRISA3
TRISA2
TRISA1
TRISA0
--11 1111
--11 1111
87h
TRISC
—
—
TRISC5
TRISC4
TRISC3
TRISC2
TRISC1
TRISC0
--11 1111
--11 1111
8Ch
PIE1
EEIE
ADIE
CCP1IE
C2IE
C1IE
OSFIE
TMR2IE
TMR1IE
0000 0000
0000 0000
99h
VRCON
VREN
—VRR
—
VR3
VR2
VR1
VR0
0-0- 0000
0-0- 0000
Legend: x = unknown, u = unchanged, — = unimplemented, read as ‘0’. Shaded cells are not used by the Capture, Compare or
Timer1 module.



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