PIC16F684-ISL

Manufacturer Part NumberPIC16F684-ISL
ManufacturerMicrochip Technology Inc.
PIC16F684-ISL datasheets
 


Specifications of PIC16F684-ISL

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Page 64/164

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