ASAHI KASEI
[AK2572]
Table 9-4 EEPROM : Adjustment Data Configuration
Note
EEPROM
Address
Function
Bit Initial
Factory
setting
E_VREFTRIM [7:4]
60h
On-chip oscillator frequency
4
E_TEMP
Factory
setting
60h
61h
Temperature sensor offset
4
_OFFSET [3:0]
EEPROM data switching at
Power Leveling [2]
E_PWR_SEL [7:6]
2
2
0
Refer to Table 5-2
0:Non-masked, 1:Masked
[5]: EXTALM2,
EXTALM mask setting at
Burst mode
E_BURST_ALM [5:4]
61h
0
[4]: EXTALM1
E_BURST_SET [3]
E_PWR_LVL2
_SET [2]
E_SFP_SET [1]
E_PWR_LVL1_SET [0] 61h
E_APC_FF_SET [7:6]
E_APC_FB_SET [5:4]
E_APC_INIT_SET [3]
E_DAC3_GAIN [2]
E_DAC2_GAIN [1]
E_DAC1_GAIN [0]
E_TIMER
_OPTALM [6]
E_EXTALM2_POL [5]
E_EXTALM1_POL [4]
61h
61h
61h
Burst mode setting
1
1
0
0
0:OFF, 1:ON
Power Leveling [2] setting
0:OFF, 1:ON
SFP_MSA support setting
Power Leveling [1] setting
APC FF setting
1
1
2
2
1
1
1
1
0
0
0
0
0
0
0
0
0:ON, 1:OFF
Refer to Table 5-1
Refer to Table 4-6
Refer to Table 4-6
0: OFF, 1: ON
62h
62h
62h
62h
62h
62h
APC FB setting
APC_FB initial value setting
V-DAC3 gain setting
I-DAC2 gain setting
I-DAC1 gain setting
OPTALM mask time setting
for SFP_TXFAULT detection
EXTALM2 polarity setting
EXTALM1 polarity setting
Temperature difference detection
at Shutdown release
0:Gain＝1, 1:Gain＝1.2/2.2
0:Gain＝1/2, 1: Gain＝1
0:Gain＝1/10, 1: Gain＝1
0:160ms, 1:2ms [Typ.]
(Refer to Table 8-1)
0:“H” active, 1:“L” active
0:“H” active, 1:“L” active
0:OFF, 1:ON
63h
1
0
63h
63h
1
1
0
0
E_TEMP_DET [3]
63h
1
0
Refer to Section 7.2
0:OFF, 1:ON
[2]: V-DAC3, [1]: I-DAC2
[0]: I-DAC1
E_DAC_SET [2:0]
63h
DAC operation setting
3
0
E_OPTALM [7:6]
E_PDGAIN [5:0]
E_EXTALM2_SET [5]
E_EXTALM1_SET [4]
E_CURRALM_SET [3] 65h CURRALM setting for TXFAULT 1
E_OPTALM_SET [2]
E_TIMER
_EXTALM2 [1]
E_TIMER
64h
64h
OPTALM threshold
PD gain setting
2
6
0
00h
0
0
0
0 : 1/3, 1: 1/4, 2 : 1/6, 3 : 1/7
Refer to Table 4-3
65h EXTALM2 setting for TXFAULT 1
65h EXTALM1 setting for TXFAULT 1
0:OFF, 1:ON (Target)
0:OFF, 1: ON (Target)
0:OFF, 1: ON (Target)
0:OFF, 1: ON (Target)
0:0ms , 1:2ms [Typ.]
（Refer to Table 8-2）
0:0ms , 1:2ms [Typ.]
（Refer to Table 8-2）
0:OFF, 1: ON (Target)
Refer to Section 7.2 and
Table 4-10
65h
OPTALM setting for TXFAULT
EXTALM2 mask time setting
for SFP_TXFAULT detection
EXTALM1 mask time setting
for SFP_TXFAULT detection
1
0
65h
1
0
65h
1
0
0
_EXTALM1 [0]
E_TEMPALM_SET [7] 66h TEMPALM setting for TXFAULT 1
Window setting for Temperature
E_TEMP_WIN [7:0]
67h
8
00h
difference detection
DAC setting for Imod
E_MODV_SEL [7]
68h
1
0
Refer toTable 3-4
(Data setting for I-DAC1,V-DAC3)
APC_FB dividing value for Imod
APC_FB dividing value for Ibias
TEMPALM threshold
E_MOD_FBRT [6:0]
E_BIAS_FBRT [6:0]
E_TEMPALM [7:0]
68h
69h
6Ah
7
7
8
00h
00h
00h
Refer to Section 4.2.4
Refer to Section 4.2.4
Refer toTable 4-10
-39-
< MS0290-E-01>
2004/8
AKM [ ASAHI KASEI MICROSYSTEMS ]
