TC1320 Microchip Technology, TC1320 Datasheet - Page 8

• Manufacturer Part Number: TC1320
• Description: 8-Bit Digital-to-Analog Converter
• Manufacturer: Microchip Technology

TC1320
FIGURE 4-1:
4.6
TABLE 4-2:
DS21386B-page 8
Command
RWCR
RWD
SDA
SCL
SCL
SDA
Register Set and Programmer’s
Model
Command Byte Description
t
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 = 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
SU(START)
t
SU(START)
SMBUS Read Timing Diagram
SMBus Write Timing Diagram
Code
TC1320 COMMAND SET
(SMBus READ_BYTE AND
WRITE_BYTE)
00h
01h
A
A
t
H(START)
t
H(START)
TIMING DIAGRAMS
I LOW I HIGH
I
LOW
Read/Write Data (DATA)
Read/Write Configuration
(CONFIG)
B
B
I
HIGH
Function
t
SU-DATA
t
SU-DATA
C
C
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
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
D
D
E F
E F
TABLE 4-3:
t
H-DATA
D[7] D[6] D[5]
D[7]-D[1]
D[0]
Bit
G
G
I = Acknowledge Clock Pulse
J = STOP Condition
K = New START Condition
J = Acknowledge Clocked into Master
K = Acknowledge Clock Pulse
L = STOP Condition, Data Executed by Slave
M = New START Condition
Configuration Register (CONFIG)
POR
0
0
H
H
CONFIGURATION REGISTER
(CONFIG), 8-BIT, READ/WRITE
Standby Switch
Reserved;
Always returns
Zero when Read
Reserved
D[4]
Function
I
I
©
J
2002 Microchip Technology Inc.
D[3]
t
SU(STOP)
K
t
SU(STOP
Read/
Write
Type
D[2]
N/A
J
L
) t
t
IDLE
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1 = Standby
0 = Normal
IDLE
D[1]
Operation
M
K
N/A
SHDN
D[0]