參數(shù)資料
型號(hào): TC1321EUART
元件分類: DAC
英文描述: SERIAL INPUT LOADING, 10 us SETTLING TIME, 10-BIT DAC, PDSO8
封裝: MSOP-8
文件頁數(shù): 10/11頁
文件大?。?/td> 62K
代理商: TC1321EUART
8
TC1321-1
6/23/00
TC1321
10-Bit Digital-to-Analog Converter
with Two-Wire Interface
2001 Microchip Technology Inc.
DS21387A
REGISTER SET AND PROGRAMMER’S MODEL
TC1321 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),
10-Bits, READ/WRITE
Data Register (DATA) for 1st BYTE
D[9]
D[8]
D[7]
D[6]
D[5]
D[4]
D[3]
D[2]
MSB
X
XX
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:
VOUT = VREF x
[DATA]
1024
Data Register (DATA) for 2nd BYTE
D[1]
D[0]
X
LSB
XX
XXX
X
Register Set Summary
The TC1321’s register set is summarized below. All
registers are 10-bits wide.
NAME
DESCRIPTION
POR State
READ
WRITE
DATA
Data Register
0000000000b*
(2 BYTE format)
CONFIG
CONFIG Register
0000 0000b
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