Microchip Technology MCU PIC10F322T-I/OT SOT-23-6 MCP PIC10F322T-I/OT データシート
製品コード
PIC10F322T-I/OT
PIC10(L)F320/322
DS41585A-page 86
Preliminary
2011 Microchip Technology Inc.
12.3
FVR Control Registers
TABLE 12-2:
SUMMARY OF REGISTERS ASSOCIATED WITH FIXED VOLTAGE REFERENCE
REGISTER 12-1:
FVRCON: FIXED VOLTAGE REFERENCE CONTROL REGISTER
R/W-0/0
R-q/q
R/W-0/0
R/W-0/0
U-0
U-0
R/W-0/0
R/W-0/0
FVREN
FVRRDY
(1)
TSEN
TSRNG
—
—
ADFVR<1:0>
bit 7
bit 0
Legend:
R = Readable bit
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
u = Bit is unchanged
x = Bit is unknown
-n/n = Value at POR and BOR/Value at all other Resets
‘1’ = Bit is set
‘0’ = Bit is cleared
q = Value depends on condition
bit 7
FVREN:
Fixed Voltage Reference Enable bit
1
= Fixed Voltage Reference is enabled
0
= Fixed Voltage Reference is disabled
bit 6
FVRRDY:
Fixed Voltage Reference Ready Flag bit
(1)
1
= Fixed Voltage Reference output is ready for use
0
= Fixed Voltage Reference output is not ready or not enabled
bit 5
TSEN:
Temperature Indicator Enable bit
(3)
1
= Temperature Indicator is enabled
0
= Temperature Indicator is disabled
bit 4
TSRNG:
Temperature Indicator Range Selection bit
(3)
1
= V
OUT
= V
DD
- 4V
T
(High Range)
0
= V
OUT
= V
DD
- 2V
T
(Low Range)
bit 3-2
Unimplemented
: Read as ‘0 ‘
bit 1-0
ADFVR<1:0>:
ADC Fixed Voltage Reference Selection bit
11
= ADC Fixed Voltage Reference Peripheral output is 4x (4.096V)
(2)
10
= ADC Fixed Voltage Reference Peripheral output is 2x (2.048V)
(2)
01
= ADC Fixed Voltage Reference Peripheral output is 1x (1.024V)
00
= ADC Fixed Voltage Reference Peripheral output is off.
Note 1:
FVRRDY indicates the true state of the FVR.
2:
Fixed Voltage Reference output cannot exceed V
DD
.
3:
See
for additional information.
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Register
on page
FVRCON
FVREN
FVRRDY
TSEN
TSRNG
—
—
ADFVR<1:0>
Legend:
Shaded cells are not used with the Fixed Voltage Reference.