參數(shù)資料
型號(hào)： TC1320
廠商： Microchip Technology Inc.
英文描述： 8-Bit Digital-to-Analog Converter with Two-Wire Interface
中文描述： 8位數(shù)字到模擬轉(zhuǎn)換器兩線接口
文件頁(yè)數(shù)： 8/14頁(yè)
文件大?。?/td> 442K
代理商： TC1320
TC1320
DS21386B-page 8
2002 Microchip Technology Inc.
FIGURE 4-1:
TIMING DIAGRAMS
4.6
Register Set and Programmer’s
Model
TABLE 4-2:
TC1320 COMMAND SET
(SMBus READ_BYTE AND
WRITE_BYTE)
TABLE 4-3:
CONFIGURATION REGISTER
(CONFIG), 8-BIT, READ/WRITE
t
SU(START)
t
H(START)
t
SU-DATA
t
SU(STOP)
t
IDLE
A = START Condition
B = MSB of Address Clocked into Slave
C = LSB of Address Clocked into Slave
D = R/W Bit Clocked into Slave
A
SMBus Write Timing Diagram
SMBUS Read Timing Diagram
B
C
D
E
F
G
H
I
J
K
E = Slave Pulls SDA Line Low
F = Acknowledge Bit Clocked into Master
G = MSB of Data Clocked into Master
H = LSB of Data Clocked into Master
I
LOW
I
HIGH
I = Acknowledge Clock Pulse
J = STOP Condition
K = New START Condition
SCL
SDA
t
SU(START)
t
H(START)
t
SU-DATA
t
H-DATA
t
SU(STOP
) t
IDLE
A = START Condition
B = MSB of Address Clocked into Slave
C = LSB of Address Clocked into Slave
D = R/W Bit Clocked into Slave
E = Slave Pulls SDA Line Low
A
C
D
E
F
G
H
I
J
K
L
M
F = Acknowledge Bit Clocked into Master
G = MSB of Data Clocked into Slave
H = LSB of Data Clocked into Slave
I = Slave Pulls SDA Line Low
J = Acknowledge Clocked into Master
K = Acknowledge Clock Pulse
L = STOP Condition, Data Executed by Slave
M = New START Condition
ILOWB
SCL
SDA
Command Byte Description
Command
Code
Function
RWD
RWCR
00h
01h
Read/Write Data (DATA)
Read/Write Configuration
(CONFIG)
Configuration Register (CONFIG)
D[7]
D[6]
D[5]
D[4]
D[3]
D[2]
D[1]
D[0]
Reserved
Function
Standby Switch
SHDN
Bit
D[0]
POR
0
Type
Read/
Write
N/A
Operation
1 = Standby
0 = Normal
N/A
D[7]-D[1]
0
Reserved;
Always returns
Zero when Read
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