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參數資料
| 型號： | ADM1065ASU-REEL |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 電源管理 |
| 英文描述： | Super Sequencer-TM and Monitor |
| 中文描述： | 10-CHANNEL POWER SUPPLY SUPPORT CKT, PQFP48 |
| 封裝： | 7 X 7 MM, PLASTIC, MS-026ABC, TQFP-48 |
| 文件頁數： | 24/28頁 |
| 文件大小： | 497K |
| 代理商： | ADM1065ASU-REEL |
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ADM1065
5.
Rev. 0 | Page 24 of 28
The slave asserts ACK on SDA.
6.
The master sends a data byte that tells the slave device how
many data bytes are being sent. The SMBus specification
allows a maximum of 32 data bytes in a block write.
7.
The slave asserts ACK on SDA.
8.
The master sends N data bytes.
9.
The slave asserts ACK on SDA after each data byte.
10.
The master asserts a stop condition on SDA to end the
transaction.
0
ASLAVE
S
W A
2
(BLOCK WRITE)
4
1
3
A
5
BYTE
6
A
7
A
9
10
A
P
A
D1
8
DN
D2
Figure 34. Block Write to EEPROM or RAM
Unlike some EEPROM devices that limit block writes to within
a page boundary, there is no limitation on the start address
when performing a block write to EEPROM, except
There must be at least N locations from the start address to
the highest EEPROM address (0xFBFF), to avoid writing to
invalid addresses.
If the addresses cross a page boundary, both pages must be
erased before programming.
Note that the ADM1065 features a clock extend function for
writes to EEPROM. Programming an EEPROM byte takes
approximately 250 μs, which would limit the SMBus clock for
repeated or block write operations. The ADM1065 pulls SCL
low and extends the clock pulse when it cannot accept any
more data.
READ OPERATIONS
The ADM1065 uses the following SMBus read protocols.
Receive Byte
In a receive byte operation, the master device receives a single
byte from a slave device, as follows:
1.
The master device asserts a start condition on SDA.
2.
The master sends the 7-bit slave address followed by the
read bit (high).
3.
The addressed slave device asserts ACK on SDA.
4.
The master receives a data byte.
5.
The master asserts no acknowledge on SDA.
6.
The master asserts a stop condition on SDA, and the
transaction ends.
In the ADM1065, the receive byte protocol is used to read a
single byte of data from a RAM or EEPROM location whose
address has previously been set by a send byte or write
byte/word operation, as shown in Figure 35.
0
2
3
1
4
5
SLAVE
ADDRESS
S
R
DATA
P
A
6
A
Figure 35. Single Byte Read from EEPROM or RAM
Block Read
In a block read operation, the master device reads a block of
data from a slave device. The start address for a block read must
have been set previously. In the ADM1065, this is done by a
send byte operation to set a RAM address, or a write byte/word
operation to set an EEPROM address. The block read operation
itself consists of a send byte operation that sends a block read
command to the slave, immediately followed by a repeated start
and a read operation that reads out multiple data bytes, as
follows:
1.
The master device asserts a start condition on SDA.
2.
The master sends the 7-bit slave address followed by the
write bit (low).
3.
The addressed slave device asserts ACK on SDA.
4.
The master sends a command code that tells the slave
device to expect a block read. The ADM1065 command
code for a block read is 0xFD (1111 1101).
5.
The slave asserts ACK on SDA.
6.
The master asserts a repeat start condition on SDA.
7.
The master sends the 7-bit slave address followed by the
read bit (high).
8.
The slave asserts ACK on SDA.
9.
The ADM1065 sends a byte-count data byte that tells the
master how many data bytes to expect. The ADM1065
always returns 32 data bytes (0x20), which is the maximum
allowed by the SMBus 1.1 specification.
10.
The master asserts ACK on SDA.
11.
The master receives 32 data bytes.
12.
The master asserts ACK on SDA after each data byte.
13.
The master asserts a stop condition on SDA to end the
transaction.
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相關代理商/技術參數 |
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| ADM1065ASU-REEL7 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Super Sequencer-TM and Monitor |
| ADM1065ASUZ | 功能描述:IC SEQUENCER/MONITOR 48-TQFP RoHS:是 類別:集成電路 (IC) >> PMIC - 監控器 系列:Super Sequencer® 標準包裝:1 系列:- 類型:簡單復位/加電復位 監視電壓數目:1 輸出:開路漏極或開路集電極 復位:高有效 復位超時:- 電壓 - 閥值:1.8V 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:6-TSOP（0.059"，1.50mm 寬）5 引線 供應商設備封裝:5-TSOP 包裝:剪切帶 (CT) 其它名稱:NCP301HSN18T1GOSCT |
| ADM1065ASUZ-RL7 | 功能描述:IC SEQUENCER/MONITOR 48-TQFP 制造商:analog devices inc. 系列:Super Sequencer? 包裝:剪切帶（CT） 零件狀態:在售 類型:序列發生器 受監控電壓數:10 輸出:可編程 復位:- 復位超時:- 電壓 - 閾值:可調節/可選擇 工作溫度:-40°C ~ 85°C（TA） 安裝類型:表面貼裝 封裝/外殼:48-TQFP 供應商器件封裝:48-TQFP（7x7） 標準包裝:1 |
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| ADM1066ACP | 制造商:Analog Devices 功能描述:Volt Supervisor Sequencer 2.7V to 5.4V 40-Pin LFCSP EP 制造商:Analog Devices 功能描述:IC SEQUENCER/SUPERVISOR |
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