參數(shù)資料
型號(hào)： LM93CIMTX
廠(chǎng)商： NATIONAL SEMICONDUCTOR CORP
元件分類(lèi)： 電源管理
英文描述： LJT 6C 6#12 PIN PLUG
中文描述： 16-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO56
封裝： MO-153EE, TSSOP-56
文件頁(yè)數(shù)： 40/92頁(yè)
文件大小： 654K
代理商： LM93CIMTX
16.0 Registers
(Continued)
16.3 FACTORY REGISTERS 00h–3Fh
16.3.1 Register 00h
XOR Test
Register
Address
00h
Read/
Write
R/W
Register
Name
XOR Test
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Default
Value
00h
RES
XEN
Bit
Name
R/W
Default
Description
Sleep
Masking
N/A
0
XEN
R/W
0
The LM93 incorporates an XOR tree test mode. When the test mode is enabled
by setting this bit, the part enters XOR test mode. Clearing this bit brings the part
out of XOR test mode.
Reserved
7:1
RES
R
0
N/A
The reserved bits of this register should only be used by the manufacturer for testing of the ASIC.
16.3.2 Register 01h
SMBus Test
Register
Address
01h
Read/
Write
R/W
Register
Name
SMBus Test
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Default
Value
N/D
7
6
5
4
3
2
1
0
This register can be used to verify that the SMBus can read and write to the device without effecting any programmed settings.
16.3.3 Register 3Eh
Manufacturer ID
Register
Address
3Eh
Read/
Write
R
Register
Name
Manufactur ID
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Default
Value
01h
0
0
0
0
0
0
0
0
The Manufacturer ID register contains the manufacturer identification number. This number is assigned by National Semicon-
ductor and is a method for uniquely identifying the part manufacturer.
16.3.4 Register 3Fh
Version/Stepping
Register
Address
Read/
Write
Register
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Default
Value
3Fh
R
Version/Stepping
VER[3:0]
1
STP[3:0]
0
73h
0
1
1
0
1
1
The four least significant bits of the Version/Stepping register [3:0] contain the current stepping of the LM93 silicon. The four most
significant bits [7:4] reflect the LM93 version number. The LM93 has a fixed version number of 0111b. For the first stepping of
LM93, this register reads 01110000b. For the second stepping of the LM93, this register reads 01110001b and so on. It is
incrementaly increased for future versions for the silicon. The final released silicon has a stepping of 3h therefore this register
reads 73h.
The register is used by application software to identify which device in the family of hardware monitoring ASICs has been
implemented in the given system. Based on this information, software can determine which registers to read from and write to.
Application software may use the current stepping to implement work-a-rounds for bugs found in a specific silicon stepping.
L
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40
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