参数资料
型号: DS1884T+
厂商: Maxim Integrated Products
文件页数: 82/92页
文件大小: 0K
描述: IC SFP PON ONU CTRLR 24TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
产品变化通告: DS1884 Series Discontinuation 03/Aug/2012
标准包装: 28
系列: *
DS1884
SFP and PON ONU Controller
with Digital LDD Interface
83
Maxim Integrated
A2h Table 02h, Register F0h: 3WCTRL
A2h Table 02h, Register F1h: ADDRESS
FACTORY DEFAULT
00h
READ ACCESS
PW2 or (PW1 and RWTBL246) or (PW1 and RBL246)
WRITE ACCESS
PW2 or (PW1 and RWTBL246)
MEMORY TYPE
Volatile
F0h
RESERVED
3WMAN_3945
3WRW
3WDIS
BIT 7
BIT 0
BITS 7:3
RESERVED
BIT 2
3WMAN_3945: When this bit is set when 3WRW is set, only the MAX3945 is written using CSELOUT2.
BIT 1
3WRW: Initiates a 3-wire read or write operation. The write command uses the memory address found
in the 3-wire ADDRESS register (A2h Table 02h, Register F1h) and the data from the 3-wire WRITE reg-
ister (A2h Table 02h, Register F2h). The read command uses the memory address found in the 3-wire
ADDRESS register (A2h Table 02h, Register F1h). The address determines whether a read or write
operation is to be performed. This bit clears itself at the completion of the operation.
0 = (Default) Reads back as 0 when the read or write operation is completed.
1 = Initiates a 3-wire read or write operation.
BIT 0
3WDIS: Disables all automatic communication across the 3-wire interface. This includes all updates
from the LUTs, the APC loop, and status registers updates. The only 3-wire communication is with the
manual mode of operation.
0 = (Default) Automatic communication is enabled.
1 = Disables automatic communication.
FACTORY DEFAULT
00h
READ ACCESS
PW2 or (PW1 and RWTBL246) or (PW1 and RBL246)
WRITE ACCESS
PW2 or (PW1 and RWTBL246)
MEMORY TYPE
Nonvolatile (SEE)
F1h
27
26
25
24
23
22
21
20
BIT 7
BIT 0
This byte is used during manual 3-wire communication. When a manual read or write is initiated, this register contains the
address for the operation.
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