ak2573a AKM Semiconductor, Inc., ak2573a Datasheet - Page 32

• Manufacturer Part Number: ak2573a
• Description: 125m / 156m Laser Diode Driver Apc - Asahi Kasei Microsystems
• Manufacturer: AKM Semiconductor, Inc.

E_V RFTRIM[7:4]
E_TEMP_OFFSET[3:0]
E_A PC_FF_SET[7:6]
E_APC_FB_SET[5:4]
E_APC_INIT_SET[3]
E_SFP[2]
E_DAC1_GAIN[1]
E_DAC2_GAIN[0]
E_TEMP_DET[5]
E_TIMER_OPTALM[4]
E_A LM_POL[3]
E_OPTALM[1:0]
E_TEMP_WIN[6:0]
E_DAC_FBRT_FIX[6:0]
E_DATAA LM_MASK[0] 67h
E_PDGAIN[5:0]
E_TEMPALM[6:0]
ASAHI KASEI
Table 8-4 Adjustment Data Area (Device Address-2 = 011)
Table 8-5 EEPROM Map (Adjustment Data Area)
<MS0189-E-01>
Address
6Dh –
6Ah
6Bh
6Ch
7Fh
60h
61h
62h
63h
64h
65h
66h
67h
68h
69h
EEPROM
D7
APC_FF_SET
Address
60h
60h
61h
61h
61h
61h
61h
61h
62h
62h
62h
62h
63h
65h
68h
6Ch
D6
VREFTRIM
at shutdown release ON/OFF
detection with OPTALM
Ratio
Oscillator Frequency
Temperature sensor offset
APC FF Setting
APC FB Setting
APC FB Initial Setting
I-DAC1 Gain
I-DAC2 Gain
Temperature compensation
Delay time of TXFAULT
ALM Polarity
OPTALM Reference Level
Temperature Difference
Detection Level
APC FB Dual Feedback
DATA ALM mask
PDGAIN
TEMPALM Level
SFP Setting
TEMP_
DET
D5
APC_FB_SET
Function
OPTALM
TIMER_
Reserved (for AKM Test)
D4
DAC_FBRT_FIX
TEMP_W IN
TEMPALM
INIT_SET
-32-
ALM_
APC_
POL
D3
4
4
2
2
1
1
1
1
1
1
1
2
7
7
1
6
7
Bit
PDGAIN
Factory Setting
Factory Setting
00
00
0
0
0
0
1
0
0
00
00h
00h
0
00h
00h
Initial Value
SFP
D2
TEMP_OFFSET
DAC1_
GAIN
D1
see Table 4-4
see Table 4-4
0: No Initial Setting
1: Initial Setting
0: No SFP Support
1: SFP Support
0: Gain = 1/2
1: Gain = 1
0: Gain = 1/2
1: Gain = 1
0: OFF
1: ON
0: 160ms
1: 2ms
0: “ H”
1: “ L”
00: 1/3, 01: 1/4
10: 1/6, 11: 1/7
see section 6.2
see section 4.3
0: DATA ALM Valid
1: DATAALM Invalid
see Table 4-9
see Table 4-2
OPTALM
Remark
[AK2573A]
DATA ALM_
DAC2_
MASK
GAIN
2004/5
D0