AK2571 Datasheet, PDF (33/52 Pages) Asahi Kasei Microsystems – Single-Chip Automatic Power/Temperature Control for WDM Laser Diodes

AKM Confidential
AK2571
E_MON_SET
4
E_STATUS_SET
3
E_ALM_SHUTDW 2
OFFSET
adjustment
MON-DAC output 1
set
STATUS MON 1
output set
ALM output set 1
E_ALM_POL
1 ALM polarity set 1
E_OPALM_SET
3 OPALM threshold 1
set
E_TIMER_SET
2 TIMER ALM count 1
period set
E_INI_CTRL_USR 8 Start up sequence 2 01 11
set
E_APC_CNT_CTRL_ 8 APC Count-up 2
USR
operation set
E_FIX_CTRL_USR 8 Normal operation 2
set
E_LK_TMPRT_WIN 8 Window set for ATC
Lock window
E_LK_CNT_SET
2 ATC Lock period set
E_PID_D
E_PID_P
E_PID_I
E_PID_MAX
8 PID differential
parameter
8 PID proportion
parameter set
8 PID integration
parameter set
6 PID
control
maximum value set
E_PIDALM_SET
8 PIDALM set
E_PID_INACT_SET 8
USER program area 96
PID not sense
window set
10 11
AKM adjust area
96 Start up sequence
operation set
Table 7-7 Common data addresses
11 11
Adjusted by AKM
1101 Refer table 6-1
1101 Refer table 6-2
1110 0x: ALM enable
10: Fix not active
polarity
11: Fix active polarity
1110 0: ALM detect “H”
1: ALM detect “L”
1110 000: 1/2, 001: 1/3
010: 1/4, 011: 1/5
100: 1/6, 101: 1/8
1111 00: 8s, 01: 16s
10: 32s, 11: 64s
1010 Refer 5.2.2
1010 Refer 5.2.2
1011 Refer 5.2.2
1100 0.03 °C/LSB
1100 00: 2s, 01: 4s,
10: 8s, 11: 16s
1101 Refer Table 4-3
1101 Refer Table 4-3
1101 Refer Table 4-3
1101 6bits MSB of PID
absolute control value
(13bits)
1111 8bits MSB of PID
absolute control value
(13bit)
1111 8bits LSB of PID
absolute control value
(13bits)
1010
|
1111
1010 Don’t touch the data.
|
1111
<Rev. 0.6E Preliminary>
-33-
2001/11