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ISL68137IRAZ bảng dữ liệu(PDF) 49 Page - Renesas Technology Corp

tên linh kiện ISL68137IRAZ
Giải thích chi tiết về linh kiện  Digital Dual Output, 7-Phase Configurable PWM Controller with Adaptive Voltage Scaling Bus (AVSBus)
PDF  54 Pages
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nhà sản xuất  RENESAS [Renesas Technology Corp]
Trang chủ  http://www.renesas.com
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ISL68137
FN8757 Rev.1.00
Page 49 of 54
Jun 26, 2017
Adaptive Voltage Scaling Bus (AVSBus) Functionality and Operation
The AVSBus interface provides a high speed (up to 50MHz) serial interface to the ISL68137, allowing implementation of advanced
voltage scaling functions that support increased system efficiency and performance. Devices equipped with AVSBus master capability
can use the interface to enable rapid supply voltage changes to support low power consumption modes as well as high performance
modes. Due to the advanced digital regulation loop employed, the ISL68137 is well equipped to support very rapid transition rates. All
commands are readable at all times, but they cannot be written unless the device is set to AVSBus control.
AVSBus Master Send Subframe
FUNCTION Start Code R/W
Command Type
Command Code
Rail Select
Command Data
CRC
SIZE (bits) 2
2
1
4
4
16
3
SETTING
01b
00b = Write data
and Commit
11b = Read Data
0b = AVSBus Data 0h = Target Rail Voltage
1h = Transition Rate
2h = Rail Current
3h = Temperature
4h = Voltage Reset
Eh = AVSBus Status
Fh = AVSBus Version
0h = Rail 0
1h = Rail 1
Fh = Broadcast
Read = FFh
Write = See “AVSBus
Command Detail” on
page 50
AVSBus Slave Response Subframe
FUNCTION Slave Ack
0b
Status Response
Command Data
Not used
CRC
SIZE (bits) 2
1
5
16
5
3
SETTING
00b = Command
acknowledged, action taken
01b = Command
acknowledged, no action
10b = Bad CRC, no action
11b = Invalid request, no action
0b
Bit 4 = VDONE. Sets to 1 when VOUT
target is reached
Bit 3 = Status alert. Sets to 1 if a bit in
AVSBus Status register (excluding from
VDONE) has set
Bit 2 = AVSBus control. Sets to 1 when
AVSBus control is enabled
Bits 1:0 = Not used
Write = FFh
Read = See “AVSBus
Command Detail” on
page 50
Not used
11111b



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