Linear Technology DC1613A, Демонстрационное руководство

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dc1540bf
DEMO MANUAL DC1540B
Setting the Device Address
The LTC2977 can be configured to respond to one of 9
addresses for a given MFR_I
2
C_BASE_ADDRESS value (the
factory default value base address is 7’h5C). In addition,
the LTC2977 will always respond to its global address and
Table 5. Address Look-up Table
Description HEX Device
Address
Binary Device Address Address Pins
7’h 8’h 6 5 4 3 2 1 0 R/W ASEL1 ASEL0
Alert Response 0C 19 0 0 0 1 1 0 0 1 X X
Global 5B B6 1 0 1 1 0 1 1 0 X X
*0 5C B8 1 0 1 1 1 0 0 0 L L
1 5D BA 1 0 1 1 1 0 1 0 L NC
2 5E BC 1 0 1 1 1 1 0 0 L H
3 5F BE 1 0 1 1 1 1 1 0 NC L
4 60 C0 1 1 0 0 0 0 0 0 NC NC
5 61 C2 1 1 0 0 0 0 1 0 NC H
6 62 C4 1 1 0 0 0 1 0 0 H L
7 63 C6 1 1 0 0 0 1 1 0 H NC
8 64 C8 1 1 0 0 1 0 0 0 H H
H = Tie to V
DD33
; NC = No Connect, Open or Float; L = Tie to GND; X = Don’t Care
* MFR_I
2
C_BASE_ADDRESS = 7‘h5C (factory default). LO = L
the PMBus Alert Response address regardless of the state
of the address select pins.
By connecting each of the address inputs to V
DD33
, GND,
or by floating them, the user determines the slave address,
as shown in Table 5.
DC1360B DETAILS - BOTTOM SIDE