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AKM Confidential
AK2571
E_DAC3_GAIN 2
I-DAC3
Gain set
1
0010
D5-D4
Refer table 3-7
00: 1, 01: 1/2, 10: 1/4
E_EA_SW
1
EA ON/OFF set
1
0010
D8
0: OFF, 1: ON
E_EA_GAIN
2
EA Gain set
1
0010
D10-D9
Refer table 3-9
00: 16%, 01: 8%
10: 4%, 11: 2%
E_EA_FREQ
3
EA Frequency set
1
0010
D13-D11
Refer table 3-8
000: 16k, 001: 32k, 010: 64k, 011:
128k, 100: 256k
E_APC_TRGT 7
APC Feedback
Reference voltage set
1 0011
D6-D0
0000000: 1.5V
1111111: 2.1V
4.8mV/Step, Refer Table 3-4
E_APC_FB_MAX 8
APC Feedback limit
current set
0011
D15-D8
E_DAC1_FIX 8
I-DAC1Fixed current
set
2
0100 D7-D0
E_DAC2_FIX 8
I-DAC2 Fixed current
set
2 0100
D15-D8
E_DAC3_FIX 8
I-DAC3 Fixed current
set
2
0101 D7-D0
E_ATC_FB_MAX 8
ATC Feedback target
shift limit set
0110 D7-D0
E_ATC_FB_SET 4
Parameter set for LD
compensation current to
target temperature
0110
D11-D8
0000: 0.125, 0001: 0.25
0010: 0.375, 0011: 0.5
0100: 0.625, 0101: 0.75
0110: 1.0, 0111: 1.125
1000: 1.25, 1001: 1.5
E_ATC_TRGT 8
ATC target
temperature set
2
0111 D7-D0 0.03
°
C /LSB
E_TMPRT_ALM_WI
N
8 TEMPALM
set 0111
D15-D8
E_CUALM_SET 8 CUALM
set
1000 D7-D0
E_WL_ALM_SET 8
WLALM (target
temperature shift ALM)
set
1000
D15-D8
<Rev. 0.6E Preliminary> -31-
2001/11