MA240026 Microchip Technology, MA240026 Datasheet - Page 197

• Manufacturer Part Number: MA240026
• Description: Daughter Cards & OEM Boards PIC24FJ16MC102 Plug-In Module
• Manufacturer: Microchip Technology

Specifications of MA240026

• Rohs: yes
• Data Bus Width: 16 bit
• Description/function: PIC24F 28 Pin QFN to 100 Pin Plug-in-Module
• Interface Type: I2C, SPI, UART
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Operating Supply Voltage: 3 V to 3.6 V

REGISTER 20-6:
© 2011 Microchip Technology Inc.
bit 15
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 15-11
bit 10
bit 9-8
bit 7
bit 6
bit 5
bit 4
bit 3-0
Note 1:
CVREN
R/W-0
U-0
—
2:
CVROE overrides the TRIS bit setting.
This reference voltage is generated internally on the device. Refer to
Characteristics”
Unimplemented: Read as ‘0’
VREFSEL: Voltage Reference Select bit
1 = CV
0 = CV
BGSEL<1:0>: Band Gap Reference Source Select bits
11 = INTREF = CV
10 = INTREF = 1.2V (nominal)
0x = Reserved
CVREN: Comparator Voltage Reference Enable bit
1 = Comparator voltage reference circuit powered on
0 = Comparator voltage reference circuit powered down
CVROE: Comparator Voltage Reference Output Enable bit
1 = Voltage level is output on CV
0 = Voltage level is disconnected from CV
CVRR: Comparator Voltage Reference Range Selection bit
1 = CV
0 = CV
Unimplemented: Read as ‘0’
CVR<3:0>: Comparator Voltage Reference Value Selection 0 ≤ CVR<3:0> ≤ 15 bits
When CVRR = 1:
CV
When CVRR = 0:
CV
CVROE
REFIN
REFIN
R/W-0
U-0
—
CVRCON: COMPARATOR VOLTAGE REFERENCE CONTROL REGISTER
REFIN
REFIN
RSRC
RSRC
= (CVR<3:0>/24) • (CV
= 1/4 • (CV
(1)
/24 step size
/32 step size
= CV
is generated by the resistor network
for the specified voltage range.
‘1’ = Bit is set
W = Writable bit
R/W-0
CVRR
REF
REF
U-0
—
RSRC
pin
pin
) + (CVR<3:0>/32) • (CV
(2)
RSRC
REF
U-0
U-0
Preliminary
—
—
pin
)
REF
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
pin
R/W-0
U-0
—
RSRC
PIC24FJ16MC101/102
)
(1)
VREFSEL
R/W-0
R/W-0
Section 26.0 “Electrical
CVR<3:0>
x = Bit is unknown
R/W-0
R/W-0
BGSEL<1:0>
DS39997B-page 197
R/W-0
R/W-0
bit 8
bit 0