PIC12F1840-I/P Microchip Technology, PIC12F1840-I/P Datasheet - Page 124

• Manufacturer Part Number: PIC12F1840-I/P
• Description: 7 KB Flash, 256 Bytes RAM, 32 MHz Int. Osc, 6 I/0, Enhanced Mid Range Core 8 PDI
• Manufacturer: Microchip Technology

Specifications of PIC12F1840-I/P

• Processor Series: PIC12F
• Core: PIC
• Program Memory Type: Flash
• Program Memory Size: 7 KB
• Data Ram Size: 256 B
• Interface Type: MI2C, SPI, EUSART
• Number Of Timers: 3
• Operating Supply Voltage: 1.8 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• Package / Case: PDIP-8
• Development Tools By Supplier: MPLAB IDE Software
• Minimum Operating Temperature: - 40 C
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

PIC12(L)F1840
REGISTER 14-1:
TABLE 14-1:
DS41441B-page 124
bit 7
Legend:
R = Readable bit
u = Bit is unchanged
‘1’ = Bit is set
bit 7
bit 6
bit 5
bit 4
bit 3-2
bit 1-0
Note 1:
FVRCON
Legend:
R/W-0/0
FVREN
Name
2:
FVRRDY is always ‘1’ on PIC12F1840 only.
Fixed Voltage Reference output cannot exceed V
Shaded cells are unused by the Fixed Voltage Reference module.
FVREN: Fixed Voltage Reference Enable bit
0 = Fixed Voltage Reference is disabled
1 = Fixed Voltage Reference is enabled
FVRRDY: Fixed Voltage Reference Ready Flag bit
0 = Fixed Voltage Reference output is not ready or not enabled
1 = Fixed Voltage Reference output is ready for use
TSEN: Temperature Indicator Enable bit
0 = Temperature Indicator is disabled
1 = Temperature Indicator is enabled
TSRNG: Temperature Indicator Range Selection bit
0 = V
1 = V
CDAFVR<1:0>: Comparator and DAC Fixed Voltage Reference Selection bits
00 = Comparator, DAC and CPS module Fixed Voltage Reference Peripheral output is off
01 = Comparator, DAC and CPS module Fixed Voltage Reference Peripheral output is 1x (1.024V)
10 = Comparator, DAC and CPS module Fixed Voltage Reference Peripheral output is 2x (2.048V)
11 = Comparator, DAC and CPS module Fixed Voltage Reference Peripheral output is 4x (4.096V)
ADFVR<1:0>: ADC Fixed Voltage Reference Selection bits
00 = ADC Fixed Voltage Reference Peripheral output is off
01 = ADC Fixed Voltage Reference Peripheral output is 1x (1.024V)
10 = ADC Fixed Voltage Reference Peripheral output is 2x (2.048V)
11 = ADC Fixed Voltage Reference Peripheral output is 4x (4.096V)
FVREN
FVRRDY
SUMMARY OF REGISTERS ASSOCIATED WITH THE FIXED VOLTAGE REFERENCE
Bit 7
R-q/q
OUT
OUT
FVRCON: FIXED VOLTAGE REFERENCE CONTROL REGISTER
(1)
= V
= V
FVRRDY
Bit 6
DD
DD
W = Writable bit
x = Bit is unknown
‘0’ = Bit is cleared
R/W-0/0
- 4V
- 2V
TSEN
T
T
(High Range)
(Low Range)
TSEN
Bit 5
R/W-0/0
TSRNG
Preliminary
TSRNG
Bit 4
U = Unimplemented bit, read as ‘0’
-n/n = Value at POR and BOR/Value at all other Resets
q = Value depends on condition
CDAFVR1
DD
CDAFVR1
R/W-0/0
.
Bit 3
(1)
CDAFVR0
CDAFVR0
Bit 2
R/W-0/0
(2)
(2)
ADFVR1
Bit 1
 2011 Microchip Technology Inc.
ADFVR1
R/W-0/0
ADFVR0
Bit 0
ADFVR0
R/W-0/0
Register
on page
124
bit 0
(2)
(2)