參數(shù)資料
型號(hào): TC1321IOATR
元件分類: DAC
英文描述: 10-BIT DAC, PDSO8
封裝: 0.150 INCH, LEAD FREE, PLASTIC, SOIC-8
文件頁(yè)數(shù): 3/24頁(yè)
文件大?。?/td> 523K
代理商: TC1321IOATR
2010 Microchip Technology Inc.
DS21387C-page 11
TC1321
4.6
Register Set and Programmer’s Model
TABLE 4-2:
TC1321 COMMAND SET (READ_BYTE AND WRITE_BYTE)
TABLE 4-3:
CONFIGURATION REGISTER (CONFIG), 8-BIT, READ/WRITE
TABLE 4-4:
DATA REGISTER (DATA), 10-BIT, READ/WRITE
The DAC output voltage is a function of reference
voltage and the binary value of the contents of the
register DATA. The transfer function is given by the
expression:
EQUATION 4-1:
4.7
Register Set Summary
The register set for the TC1321 is summarized in
TABLE 4-5:
TC1321 REGISTER SET SUMMARY
Command Byte Description
Command
Code
Function
RWD
00h
Read/Write Data (DATA)
RWCR
01h
Read/Write Configuration (CONFIG)
Configuration Register (CONFIG)
Bit
Name
D[7]
D[6]
D[5]
D[4]
D[3]
D[2]
D[1]
D[0]
Bit
Function
Reserved
(Note 1)
SHDN
(Note 2)
Note 1: Always returns ‘
0’ when reading
2:
1 = Standby (Shut down) mode
0 = Normal mode
Data Register (DATA) for 1st Byte
Data Register (DATA) for 2nd Byte
D[9]
D[8]
D[7]
D[6]
D[5]
D[4]
D[3]
D[2]
D[1]
D[0]
XXX
MSB
XXXX
XXX
X
LSB
XXX
VOUT V
=
REF
DATA
1024
----------------
Name
Description
POR State
Read
Write
Data
DATA Register
(2-Byte Format)
0000000000b
XX
Config
CONFIG Register
0000 0000b
XX
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