參數(shù)資料
型號： TC1322EUART
元件分類： DAC
英文描述： SERIAL INPUT LOADING, 10 us SETTLING TIME, 12-BIT DAC, PDSO8
封裝： MSOP-8
文件頁數(shù)： 10/11頁
文件大?。?/td> 65K
代理商： TC1322EUART
8
TC1322-1
6/23/00
TC1322
12-Bit Digital-to-Analog Converter
with Two-Wire Interface
2001 Microchip Technology Inc.
DS21388A
Register Set Summary
The TC1322’s register set is summarized below. All
registers are 12-bits wide.
NAME
DESCRIPTION
POR State
READ WRITE
DATA
Data Register
000000000000b*
(2 BYTE format)
CONFIG
CONFIG Register
0000 0000b
Data Register (DATA),
12-Bits, READ/WRITE
Data Register (DATA) for 1st BYTE
D[11] D[10]
D[9]
D[8]
D[7]
D[6]
D[5]
D[4]
MSB
X
LSB
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:
VOUT = VREF x
[DATA]
4096
REGISTER SET AND PROGRAMMER’S MODEL
TC1322 Command Set
(SMBus READ_BYTE and WRITE_BYTE)
COMMAND BYTE DESCRIPTION
COMMAND
CODE
FUNCTION
RWD
00h
Read/Write Data (DATA)
RWCR
01h
Read/Write Configuration (CONFIG)
Configuration Register (CONFIG),
8-BITS, READ/WRITE
CONFIGURATION REGISTER (CONFIG)
D[7]
D[6]
D[5]
D[4]
D[3]
D[2]
D[1]
D[0]
RESERVED
SHDN
BIT
POR
FUNCTION
TYPE
OPERATION
D[0]
0
STANDBY
ReadWrite
1 = standby,
switch
0 = normal
D[7]-D[1]
0
Reserved -
N/A
Always returns
zero when read.
Data Register (DATA) for 2nd BYTE
D[3]
D[2]
D[1]
D[0]
X
XX
X
LSB
X
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