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MCP39F511N Datasheet(PDF) 17 Page - Microchip Technology

Part # MCP39F511N
Description  Dual-Channel, Single-Phase Power-Monitoring IC with Calculation
PDF  61 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MCP39F511N Datasheet(HTML) 17 Page - Microchip Technology

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 2015-2018 Microchip Technology Inc.
DS20005473B-page 17
MCP39F511N
TABLE 4-3:
REGISTER WRITE, N- BYTES COMMAND (Note 1)
Byte #
Value
Description
Response from MCP39F511N
1
0xA5
Header Byte
2
0x17
Number of Bytes in Frame (23)
30x41
Command (Set Address Pointer)
4
0x00
Address High
5
0xB1
Address Low
60x4D
Command (Register Write, N Bytes)
7
0x0F
Number of Bytes to Write (15)
8-22
*Data*
Data Bytes (15 total data bytes)
23
Checksum
Checksum
ACK
Note 1: This Register Write, N Bytes frame, as shown here, is writing channel 1 range and calibration target
values, starting at address 0xB1 (the second byte in the Channel 1 Range register) and then writing 15
bytes of data to consecutive addresses to complete the setup of channel 1 registers prior to calibration.
Note these are not the calibration registers, but the calibration targets which need to be written prior to
issuing the auto-calibration target commands. See Section 9.0 “MCP39F511N Calibration” for more
information.
TABLE 4-4:
SET ADDRESS POINTER COMMAND (Note 1)
Byte #
Value
Description
Response from MCP39F511N
1
0xA5
Header Byte
2
0x06
Number of Bytes in Frame
3
0x41
Command (Set Address Pointer)
40x00
Address High
5
0x02
Address Low
6
0xEE
Checksum
ACK
Note 1: The Set Address Pointer command is typically included inside of a frame that includes a read or write
command, as shown in Tables 4-2 and 4-3. There is typically no reason for this command to have its own
frame, but is shown here as an example.
TABLE 4-5:
SAVE TO FLASH COMMAND
Byte #
Value
Description
Response from MCP39F511N
1
0xA5
Header Byte
2
0x04
Number of Bytes in Frame
3
0x53
Command (Save To Flash)
4
0xFC
Checksum
ACK
TABLE 4-6:
PAGE READ EEPROM COMMAND
Byte #
Value
Description
Response from MCP39F511N
1
0xA5
Header Byte
2
0x05
Number of Bytes in Frame
3
0x42
Command (Page Read EEPROM)
4
0x01
Page Number (e.g. 1)
5
0xED
Checksum
ACK + EEPROM Page Data + Checksum



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