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參數資料
| 型號： | ADV7303AKST |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 顏色信號轉換 |
| 英文描述： | Sand Paper; Abrasive Grade:T; Color:White; Pack Quantity:3; Roll Length:30ft; Width:4" |
| 中文描述： | COLOR SIGNAL ENCODER, PQFP64 |
| 封裝： | PLASTIC, MS-026BCD, LQFP-64 |
| 文件頁數： | 15/68頁 |
| 文件大小： | 1177K |
| 代理商： | ADV7303AKST |
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REV. A
ADV7302A/ADV7303A
–15–
REGISTER ACCESSES
The MPU can write to or read from all of the registers of the
ADV7302A/ADV7303A except the subaddress registers that are
write-only registers. The subaddress register determines which
register the next read or write operation accesses. All communica-
tions with the part through the bus start with an access to the
subaddress register. Then a read/write operation is performed
from/to the target address which then increments to the next
address until a stop command on the bus is performed.
REGISTER PROGRAMMING
The following section describes the functionality of each regis-
ter. All registers can be read from as well as written to, unless
otherwise stated.
Subaddress Register (SR7–SR0)
The Communications Register is an 8-bit write-only register.
After the part has been accessed over the bus and a read/write
operation is selected, the subaddress is set up. The Subaddress
Register determines to/from which register the operation
takes place.
Register Select (SR7–SR0)
These bits are set up to point to the required starting address.
WRITE
SEQUENCE
READ
SEQUENCE
S
SLAVE ADDR
A(S)
SUB ADDR
A(S)
DATA
A(S)
DATA
A(S)
P
S
SLAVE ADDR
A(S)
SUB ADDR
A(S) S
SLAVE ADDR
A(S)
DATA
DATA
A(M)
A(M)
P
S = START BIT
P = STOP BIT
A(S) = ACKNOWLEDGE BY SLAVE
A(M) = ACKNOWLEDGE BY MASTER
A
(S) = NO-ACKNOWLEDGE BY SLAVE
A
(M) = NO-ACKNOWLEDGE BY MASTER
LSB = 0
LSB = 1
Figure 18. Read and Write Sequence
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