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參數資料
| 型號： | ADM1065ACP-REEL7 |
| 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, QCC40 |
| 封裝： | 6 X 6 MM, MO-220VJJD-2, LFCSP-40 |
| 文件頁數： | 20/28頁 |
| 文件大小： | 497K |
| 代理商： | ADM1065ACP-REEL7 |
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ADM1065
Rev. 0 | Page 20 of 28
0
POWER-UP
(V
CC
> 2.5V)
EEPROM
E
E
P
R
O
M
L
D
D
A
T
A
R
A
M
L
D
U
P
D
SMBus
DEVICE
CONTROLLER
LATCH A
LATCH B
FUNCTION
(OV THRESHOLD
ON VP1)
Figure 25. Configuration Update Flow Diagram
UPDATING THE SEQUENCING ENGINE
Sequencing engine (SE) functions are not updated in the same
way as regular configuration latches. The SE has its own
dedicated 512-byte EEPROM for storing state definitions,
providing 63 individual states with a 64-bit word each (one state
is reserved). At power-up, the first state is loaded from the SE
EEPROM into the engine itself. When the conditions of this
state are met, the next state is loaded from EEPROM into the
engine, and so on. The loading of each new state takes approxi-
mately 10 μs.
To alter a state, the required changes must be made directly to
EEPROM. RAM for each state does not exist. The relevant
alterations must be made to the 64-bit word, which is then
uploaded directly to EEPROM.
INTERNAL REGISTERS
The ADM1065 contains a large number of data registers. The
principal registers are the address pointer register and the
configuration registers.
Address Pointer Register
This register contains the address that selects one of the other
internal registers. When writing to the ADM1065, the first byte
of data is always a register address, which is written to the
address pointer register.
Configuration Registers
These registers provide control and configuration for various
operating parameters of the ADM1065.
EEPROM
The ADM1065 has two 512-byte cells of nonvolatile, electrically
erasable, programmable read-only memory (EEPROM), from
Register Addresses 0xF800 to 0xFBFF. The EEPROM is used for
permanent storage of data that is not lost when the ADM1065 is
powered down. One EEPROM cell contains the configuration
data of the device; the other contains the state definitions for
the SE. Although referred to as read-only memory, the
EEPROM can be written to as well as read from via the serial
bus in exactly the same way as the other registers.
The major differences between the EEPROM and other
registers are
An EEPROM location must be blank before it can be
written to. If it contains data, it must first be erased.
Writing to EEPROM is slower than writing to RAM.
Writing to the EEPROM should be restricted, because it
has a limited write/cycle life of typically 10,000 write
operations due to the usual EEPROM wear-out
mechanisms.
The first EEPROM is split into 16 (0 to 15) pages of 32 bytes
each. Pages 0 to 6, starting at Address 0xF800, hold the
configuration data for the applications on the ADM1065 (the
SFDs, PDOs, and so on). These EEPROM addresses are the
same as the RAM register addresses, prefixed by F8. Page 7 is
reserved. Pages 8 to 15 are for customer use.
Data can be downloaded from EEPROM to RAM in one of the
following ways:
At power-up, when Pages 0 to 6 are downloaded.
By setting Bit 0 of the UDOWNLD register (0xD8), which
performs a user download of Pages 0 to 6.
SERIAL BUS INTERFACE
The ADM1065 is controlled via the serial system management
bus (SMBus). The ADM1065 is connected to this bus as a slave
device, under the control of a master device. It takes approxi-
mately 1 ms after power-up for the ADM1065 to download
from its EEPROM. Therefore, access to the ADM1065 is re-
stricted until the download is completed.
Identifying the ADM1065 on the SMBus
The ADM1060 has a 7-bit serial bus slave address. The device is
powered up with a default serial bus address. The five MSBs of
the address are set to 01101; the two LSBs are determined by the
logical states of Pins A1 and A0. This allows the connection of
four ADM1065s to one SMBus.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| ADM1065ACPZ | 功能描述:IC SEQUENCER/SUPERVISOR 40-LFCSP 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 |
| ADM1065ASU | 制造商:AD 制造商全稱:Analog Devices 功能描述:Super Sequencer-TM and Monitor |
| ADM1065ASU-REEL | 制造商:AD 制造商全稱:Analog Devices 功能描述:Super Sequencer-TM and Monitor |
| 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 |
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