DS2155GB/T&R Maxim Integrated, DS2155GB/T&R Datasheet - Page 25
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DS2155GB/T&R
Manufacturer Part Number
DS2155GB/T&R
Description
Network Controller & Processor ICs
Manufacturer
Maxim Integrated
Datasheet
1.DS2155GNB.pdf
(238 pages)
Specifications of DS2155GB/T&R
Part # Aliases
90-2155G-BTR
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Signal Name:
Signal Description:
Signal Type:
Must be low to read or write to the device. CS is an active-low signal.
Signal Name:
Signal Description:
Signal Type:
In nonmultiplexed bus operation (MUX = 0), serves as the upper address bit. In multiplexed bus operation
(MUX = 1), serves to demultiplex the bus on a positive-going edge.
Signal Name:
Signal Description:
Signal Type:
WR is an active-low signal.
4.4 Extended System Information Bus
Signal Name:
Signal Description:
Signal Type:
Used to group two to eight DS2155s into a bus-sharing mode for alarm and status reporting. See Section
more details.
Signal Name:
Signal Description:
Signal Type:
Used to group two to eight DS2155s into a bus-sharing mode for alarm and status reporting. See Section
more details.
Signal Name:
Signal Description:
Signal Type:
Used to group two to eight DS2155s into a bus-sharing mode for alarm and status reporting. See Section
more details.
CS
Chip Select
Input
ALE(AS)/A7
Address Latch Enable (Address Strobe) or A7
Input
WR (R/W)
Write Input(Read/Write)
Input
ESIBS0
Extended System Information Bus Select 0
Input/Output
ESIBS1
Extended System Information Bus Select 1
Input/Output
ESIBRD
Extended System Information Bus Read
Input/Output
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