参数资料
型号: DS1865T+T&R
厂商: Maxim Integrated Products
文件页数: 36/67页
文件大小: 0K
描述: IC PON CONTROL TRI 28-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
系列: *
类型: *
应用: *
安装类型: 表面贴装
封装/外壳: 28-WFQFN 裸露焊盘
供应商设备封装: 28-TQFN-EP(5x5)
包装: 带卷 (TR)
DS1865
PON Triplexer Control and
Monitoring Circuit
____________________________________________________________________
41
Lower Memory, Register 7Bh to 7Eh: Password Entry (PWE)
POWER-ON VALUE
FFFF FFFFh
READ ACCESS
N/A
WRITE ACCESS
All
MEMORY TYPE:
Volatile
7Bh
2
31
2
30
2
29
2
28
2
27
2
26
2
25
2
24
7Ch
2
23
2
22
2
21
2
20
2
19
2
18
2
17
2
16
7Dh
2
15
2
14
2
13
2
12
2
11
2
10
2
9
2
8
7Eh
2
7
2
6
2
5
2
4
2
3
2
1
2
0
bit7
bit0
Password Entry. There are two passwords for the DS1865. Each password is 4 bytes long. The lower level password (PW1) will
have access to all unprotected areas plus those made available with PW1. The higher level password (PW2) will have all the
access of PW1 plus those made available with PW2. The values of the passwords reside in EEPROM inside of PW2 memory. At
power-up, all PWE bits are set to 1. All reads at this location are 0.
Lower Memory, Register 7Fh: Table Select (TBL SEL)
POWER-ON VALUE
00h
READ ACCESS
All
WRITE ACCESS
All
MEMORY TYPE
Volatile
7Fh
2
7
2
6
2
5
2
4
2
3
2
1
2
0
bit7
bit0
The upper memory tables (Table 01h–06h) of the DS1865 are accessible by writing the desired table value in this register.
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