參數(shù)資料
型號(hào): DS1884T+
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 24/92頁(yè)
文件大?。?/td> 0K
描述: IC SFP PON ONU CTRLR 24TQFN
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
產(chǎn)品變化通告: DS1884 Series Discontinuation 03/Aug/2012
標(biāo)準(zhǔn)包裝: 28
系列: *
DS1884
SFP and PON ONU Controller
with Digital LDD Interface
30
Maxim Integrated
Figure 14. 3-Wire Flowchart
TXD = 1
OR
POR = 1
EN_3945 = 1?
RESET
(SET TXD_FLAG IF TXD = 1 AND
SET POR_FLAG IF POR = 1)
Y
N
WRITE CONTROL
RXCTRL1, RXCTRL2,
SET_CML, SET_LOS,
TXCTRL1, TXCTRL2,
TXCTRL3, TXCTRL4
IDLE
WAIT FOR TEMP_CONV
WRITE TXCTRL6
WRITE_LUT REGISTERS
TXCTRL5
IMODMAX
IBIASMAX
SET_IMOD
SET_IBIAS
BIASINC
MODINC
SET_2XAPC
WRITE CNTRL
MAX3945
READ POR
STICKY
INC APC
INC MOD
TEMP_CONV = 1?
TXD_STANDBY
TOGGLE MONSEL
READ REGISTERS
BIAS REG, MOD REG,
RXSTAT, DPCSTAT,
TXSTAT1, TXSTAT2,
SET_2XAPC
WRITE ALL CONTROL
REGISTERS IF ENABLED
WRITE REGISTERS
IBIASMAX
IMODMAX
TXCTRL5
MANMODE
ALLOWS THE USER TO
COMMUNICATE WITH
MAX3710 USING THE I2C
INTERFACE ON DS1884
STANDBY
TOGGLE MONSEL BIT
(TXCTRL2[6])
PERIODICALLY RESET FLAGS
TXD_FLAG = 1?
STICKY = 1?
VCC > VCC LO?
Y
N
TXD = 0?
Y
N
Y
N
Y
N
POR_FLAG = 1?
Y
N
POR_FLAG = 1?
MANMODE = 1?
APC_EN = 1?
TXD_FLAG = 1?
APC_EN = 1?
WRITE
MODINC, SET_IMOD
BIASINC, SET_IBIAS
WRITE
MODINC, SET_IMOD
Y
DPC_EN = 1?
N
INC BIAS, MOD
N
Y
DPC_EN = 1?
TEMP_CONV = 1?
AND DIS3W = 0
RSTRT_3710 = 1
OR TXF_LATCHED = 1
TEMP_CONV = 1
AND DIS3W = 0
N
Y
N
Y
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