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參數(shù)資料
| 型號： | ADP5589CP-EVALZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 13/52頁 |
| 文件大?。?/td> | 0K |
| 描述： | BOARD EVAL ADP5589ACPZ |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 主要目的： | 接口，GPIO 擴(kuò)展器 |
| 已用 IC / 零件： | ADP5589 |
| 主要屬性： | 19 個(gè)可配置的 I/O |
| 次要屬性： | I²C 接口 |
| 已供物品： | 板 |
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ADP5589
Data Sheet
Rev. B | Page 20 of 52
Figure 30 shows a typical multibyte read sequence for reading
internal registers. The cycle begins with a start condition, followed
by the 7-bit device address (0x34), followed by the R/W bit set
to 0 for a write cycle. The ADP5589 acknowledges the address
byte by pulling the data line low. The address of the register
from which data is to be read is sent next. The ADP5589 acknowl-
edges the register pointer byte by pulling the data line low. A start
condition is repeated, followed by the 7-bit device address (0x34),
followed by the R/W bit set to 1 for a read cycle. The ADP5589
acknowledges the address byte by pulling the data line low. The
8-bit data is then read. The address pointer is then incremented
to read the next data byte, and the host continues to pull the data
line low for each byte (master acknowledge) until the n data
byte is read. The host pulls the data line high (no acknowledge)
after the last byte is read, and a stop condition completes the
sequence.
START
0 = WRITE
7-BIT DEVICE ADDRESS
ADP5589 ACK
8-BIT REGISTER POINTER
READ BYTE 1
READ BYTE 2
READ BYTE n
00
0
1
0
1
REPEAT START
1 = READ
ADP5589 ACK
MASTER ACK
NO ACK
STOP
0
9714-
029
Figure 30. I2C Multibyte Read Sequence
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADP-5DB | 制造商:Delta Power 功能描述: |
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