TC1321EUA View Datasheet(PDF) - Microchip Technology
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Description
Manufacturer
TC1321EUA Datasheet PDF : 24 Pages
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TC1321
4.6 Register Set and Programmer’s Model
TABLE 4-2: TC1321 COMMAND SET (READ_BYTE AND WRITE_BYTE)
Command Byte Description
Command
RWD
RWCR
Code
00h
01h
Function
Read/Write Data (DATA)
Read/Write Configuration (CONFIG)
TABLE 4-3: CONFIGURATION REGISTER (CONFIG), 8-BIT, READ/WRITE
Configuration Register (CONFIG)
Bit
Name
D[7]
D[6]
D[5]
D[4]
D[3]
D[2]
D[1]
Bit
Function
Note 1: Always returns ‘0’ when reading
2: 1 = Standby (Shut down) mode
0 = Normal mode
Reserved
(Note 1)
D[0]
SHDN
(Note 2)
TABLE 4-4: DATA REGISTER (DATA), 10-BIT, READ/WRITE
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] X
X
X
X
X
X
MSB X
X
X
X
X
X
X
X LSB X
X
X
X
X
X
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:
VOUT = VREF
D-----A----T----A--
1024
4.7 Register Set Summary
The register set for the TC1321 is summarized in
Table 4-5.
TABLE 4-5:
Name
Data
Config
TC1321 REGISTER SET SUMMARY
Description
POR State
DATA Register
(2-Byte Format)
CONFIG Register
0000000000b
0000 0000b
Read
X
X
Write
X
X
2010 Microchip Technology Inc.
DS21387C-page 11
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