ADM00310 Microchip Technology, ADM00310 Datasheet - Page 40

• Manufacturer Part Number: ADM00310
• Description: BOARD EVAL FOR MCP3903 AFE
• Manufacturer: Microchip Technology
• Series: -r

Specifications of ADM00310

• Design Resources: MCP3903 Eval Brd BOM MCP3903 Eval Brd Schematic
• Main Purpose: Interface, Analog Front End (AFE)
• Embedded: Yes, MCU, 16-Bit
• Utilized Ic / Part: MCP3903, PIC24F, PIC24H, dsPIC33, MCP2200
• Primary Attributes: -
• Secondary Attributes: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

MCP3903
7.3
TABLE 7-5:
The phase register is composed of three bytes:
PHASEC<7:0>, PHASEB<7:0>, PHASEA<7:0>. Each
byte is a 7 bit + sign MSB first, two's complement code
that represents the amount of delay between each pair
of ADCs. The PHASEC byte represents the delay
between Channel 4 and Channel 5 (pair C). The
PHASEB byte represents the delay between Channel 2
and Channel 3 (pair B). The PHASEA byte represents
the delay between Channel 0 and Channel 1 (pair A).
REGISTER 7-3:
DS25048B-page 40
bit 23
bit 15
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 23:16
bit 15:8
bit 7:0
PHASEC7
PHASEB7
PHASEA7
PHASE
R/W-0
R/W-0
R/W-0
Name
Phase Register
PHASECn: CH4 relative to CH5 phase delay
PHASEBn: CH2 relative to CH3 phase delay
PHASEAn: CH0 relative to CH1 phase delay
PHASEC6
PHASEB6
PHASEA6
PHASE REGISTER
R/W-0
R/W-0
R/W-0
Bits
24
PHASE REGISTER
W = Writable bit
‘1’ = Bit is set
PHASEC5
PHASEB5
PHASEA5
Address
0x07
R/W-0
R/W-0
R/W-0
PHASEC4
PHASEB4
PHASEA4
R/W
Cof
R/W-0
R/W-0
R/W-0
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
PHASEC3
PHASEB3
PHASEA3
R/W-0
R/W-0
R/W-0
The reference channel is the odd channel (Channel 1/
3/5). When PHASEn<7:0> is positive, Channel 0/2/4 is
lagging versus channel 1/3/5 otherwise it is leading.
The delay is calculated by the following formula:
Delay = PHASE Register Code / DMCLK.
PHASEC2
PHASEB2
PHASEA2
R/W-0
R/W-0
R/W-0
© 2011 Microchip Technology Inc.
x = Bit is unknown
PHASEC1
PHASEB1
PHASEA1
R/W-0
R/W-0
R/W-0
PHASEC0
PHASEB0
PHASEA0
R/W-0
R/W-0
R/W-0
bit 16
bit 8
bit 0