DS1864 Maxim Integrated Products, DS1864 Datasheet - Page 14

• Manufacturer Part Number: DS1864
• Description: SFP Laser Controller and Diagnostic IC
• Manufacturer: Maxim Integrated Products

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SFP Laser Controller and
Diagnostic IC
Figure 11. Block Diagram, Main
14
INLOS
IN1
FAST ALARMS AND
WARNING LIMITS
GND
____________________________________________________________________
MON3N
MON1N
V
MON3P
MON1P
CC
MON2
SDA
SCL
V
MODE SELECT
TABLE SELECT
CC
DATA BUS
ADDRESS
LOSC
IN1C
LOS LOGIC*
IN1 LOGIC*
LOS FLAG
R/W
V
CC
INVL
INV1
INTERNAL
TEMP
INTERFACE
ADDRESS
COMPARATORS
DEVICE
PROTECTION
ADFIX
PASSWORD
FAST-TRIP
I
2
C
RSEL
TABLE 01h (DS1852)
TABLE 00h (DS1859)
RX-LOS
OUT1
120 BYTES
EEPROM
EEPROM
8 BYTES
MASK
CONTROL
MD
MUX
ADC
RSEL
ADDRESS
R/W
AD (AUXILIARY DEVICE
ENABLE A0h)
MD (MAIN DEVICE
ENABLE)
DATA BUS
SELC
FAST ALARMS AND
WARNING FLAGS
LOGIC*
CALIBRATION
13-BIT DAC
INTERNAL
AND WARNING
MODE SELECT
TABLE SELECT
FAST ALARMS
DATA BUS
ADDRESS
RSELOUT
LIMITS
R/W
INTX-F
MEASUREMENT
TX-D
CONVERSION
VALUES
MASK
FAST ALARMS AND
WARNING FLAGS
PROTECTION
PASSWORD
DAC DISABLE
AND CONFIGURATION
TABLE 04h (DS1852)
TABLE 01h (DS1859)
NON LUT CONTROL
STARTUP/SHUTDOWN
*SEE FIGURES 12 AND 13.
PROTECTION
PASSWORD
DATA BUS
REGISTGERS
ADDRESS
80h–87h
EEPROM
88h–DFh
8 BYTES
8 BYTES
MONITOR LIMITS
SRAM
LOGIC*
COMPARATOR
INTERRUPT
R/W
AD
LOGIC CONTROL
MD
ON RESET
SIGNALS
POWER-
TABLE SELECT
DATA BUS
ADDRESS
R/W
AUXILIARY DEVICE
GBIC MEMORY
TX-F
FETG
MINT
DAC RANGE SELECT
LOGIC CONTROL SIGNALS
256 BYTES
ALARM AND
WARNING FLAGS
EEPROM
DATA BUS
PROTECTION
PASSWORD
LOOKUP TABLE
TABLE 02h
72 BYTES
EEPROM
80h–C7h
DAC0
DS1864
TEMP INDEX
MD
TABLE REGISTER
TABLE REGISTER
PROTECTION
DAC0 LOOKUP
DAC1 LOOKUP
PASSWORD
DATA BUS
ADDRESS
Functional Diagrams
R/W
MD
TABLE SELECT
TABLE SELECT
DATA BUS
DATA BUS
ADDRESS
ADDRESS
DAC RANGE
DAC RANGE
CONTROL
SIGNALS
R/W
R/W
SELECT
SELECT
LOGIC
LOWER MEMORY
WARNING LIMITS
ALARM AND
96 BYTES
32 BYTES
EEPROM
00h–5Fh
60h–7Fh
SRAM
TABLE SELECT
PROTECTION
PROTECTION
PASSWORD
PASSWORD
DISABLE
DISABLE
DAC
DAC
CONFIGURATION
LOOKUP TABLE
AND CONTROL
TABLE 05h
TABLE 03h
59 BYTES
C0h–FBh
72 BYTES
EEPROM
EEPROM
80h–C7h
MASK
DAC1
TEMP INDEX
DAC0
DAC1
MD
MD