DS1865T+TR MAXIM [Maxim Integrated Products], DS1865T+TR Datasheet - Page 9
DS1865T+TR
Manufacturer Part Number
DS1865T+TR
Description
PON Triplexer Control and Monitoring Circuit
Manufacturer
MAXIM [Maxim Integrated Products]
Datasheet
1.DS1865TTR.pdf
(66 pages)
- Current page: 9 of 66
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MON1
MON2
MON3
MON4
BMD
TX-D
LOSI
GND
SDA
SCL
BEN
V
CC
D0
D1
D2
D3
V
CC
INTERFACE
APC SET POINT
FROM APC LUT
SENSOR
HBIAS QUICK-
HTXP QUICK-
TEMP
LTXP QUICK-
I
0
1
2
V
TRIP LIMIT
TRIP LIMIT
TRIP LIMIT
C
CC
CONTROL
SAMPLE
128 BYTES AT
A0h SLAVE
ADDRESS
EEPROM
TTL
TTL
TTL
TTL
TTL
MUX
DS1865 MEMORY ORGANIZATION
_____________________________________________________________________
CONFIGURATION AND CALIBRATION
PW1 USER MEMORY, ALARM TRAP
D0 IN/LOS STATUS
D0 OUT
INV LOSI
MUX LOSI
D1 IN
D1 OUT
D2 IN
D2 OUT
D3 IN
D3 OUT
W/SCALING
8-BIT DAC
13-BIT
ADC
TABLE 02h (EEPROM)
TABLE 01h (EEPROM)
TABLE 03h (EEPROM)
PW2 USER MEMORY
ALARM/WARNING COMPARISON RESULTS/THRESHOLDS
MUX
ADC CONFIGURATION/RESULTS
SYSTEM STATUS BITS
COMPARATOR FOR
MAIN MEMORY
EEPROM/SRAM
DIGITAL LIMIT
ADC RESULTS
DS1865
PON Triplexer Control and
I
2
C CONTROL
MUX
M4DAC (VIDEO GAIN LUT)
TABLE 04h (EEPROM)
TABLE 05h (EEPROM)
TABLE 06h (EEPROM)
MODULATION LUT
APC LUT
NONVOLATILE SETTING
INTERRUPT
INTERRUPT
QUICKTRIP
BIAS MAX
MASK
MASK
DIGITAL APC
INTEGRATOR
I
2
C PROGRAMMED
LOOKUP TABLE
VIDEO POWER
Monitoring Circuit
TABLE 06h
MOD LUT
SRAM RESET
ENABLE
LATCH
POWER-ON ANALOG
NONMASKABLE
INTERRUPT
INTERRUPT
V
CC
LATCH
>
V
FULL SCALE
FULL SCALE
W/SCALING
POA
INTERRUPT
8-BIT DAC
8-BIT, 2.5V
8-BIT, 2.5V
M4DAC
LATCH
13-BIT
DAC1
DAC
Block Diagram
TX-F
FETG
BIAS
MOD
M4DAC
DAC1
9
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