參數(shù)資料
型號： AK2574VB
廠商： Asahi Kasei Microsystems Co.,Ltd
英文描述： 156M Laser Diode Driver + APC for Burst Mode
中文描述： 1.56激光二極管驅(qū)動器apc的突發(fā)模式
文件頁數(shù)： 22/30頁
文件大?。?/td> 248K
代理商： AK2574VB
ASAHI KASEI
[AK2574]
<MS0266-E-00>
-22-
2003/12
5. I
2
C
TM
I/F
5.1 Memory Map
Table 5-1 shows the EEPROM /Register address map. Access to memory (EEPROM /registers) is done via the I
2
C
TM
I/F format.
WP (Write Protect) may limit the access of memory as shown in Table 5-2.
Table 5-1 Memory map
Device Address
A0h
Device Address-1
1010
Device Address-2
000
Address
00000000 to
01111111
10000000 to
11111111
00000000 to
11111111
00000000 to
11111111
00000000 to
01111111
10000000 to
11111111
00000000 to
00010011
00010011 to
11111110
11111111
Data
User Area
(EEPROM, 1kbit)
Nomemory
A0h
1010
000
A2h
1010
001
No memory
A4h
1010
010
011
A6h
1010
Adjustment data
(EEPROM, 3kbit)
A6h
1010
011
No memory
A8h
1010
100
Registers
A8h
1010
100
No memory
A8h
1010
100
AK2574 Operation mode
change
Table 5-2 Memory access limitation with WP
Item
Device Address
ACK (Note 1)
EEPROM /Register
Access
Operating mode
Page Write
Sequential Read
Registers Access
Note 1: During EEPROM Write operation, no ACK is generated.
WP = “L”
1010xxx
when receive device address
Full access
Full
16 byte (without registers)
from 00000000000 to01111111111
Random access only
WP = “H”
1010000
when receive device address
User area only (read only)
Self running mode only
-
from 00000000 to 01111111
-
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