AKM AK2571, Руководство пользователя

Страница: 50 / 52

AKM Confidential AK2571
Pin / Function
Pin# Pin name Function Note
1 TEST1 AKM Test pin. Connect to GND .
2 IOUT4H I-DAC4 output(50mA max).TEC control (Heating)
3 NC NC pin. Connect to GND.
4 IOUT4C I-DAC4 output (50mA max). TEC control (Cooling)
5 NC NC pin. Connect to GND.
6 IOUT3 I-DAC3 output (20mA max). LD drive
7 L2VDD Voltage supply for I-DAC2 and 3
8 IOUT2 I-DAC2 output (20mA max). LD drive
9 LVSS I-DAC GND
10 NC NC pin. Connect to GND.
11 NC NC pin. Connect to GND.
12 IOUT1 I-DAC1 output (120mA max). LD drive
13
14
WAVE1
WAVE0
Wavelength select. Switch EEPROM space.
15 SHUT_APCN Shut down APC. ”L” = Shut down.
16 SHUT_ATCN Shut down ATC and APC. ”L” = Shut down.
17 RESETN Reset input. ”L”= reset
18
19 TSK
TDI AKM Test pin. Connect to GND in ordinary
20 L1VDD Voltage supply for I-DAC1
21 NC NC pin. Connect to GND.
22 PDIN Monitors PD voltage input. PD current is averaged by the external
resistor and capacitor input.
23 PDMON Output gained thermister voltage
24 TESTA AKM Test pin. Connect to GND in ordinary
25 TEMPIN Input voltage from the thermister; divided by an external resistor.
26 REFOUT Supply reference voltage for the thermister.
27 AVDD Voltage supply for analog circuit.
28 NC NC pin. Connect to GND.
29 AVSS GND for analog circuit.
30 BIAS
Set the internal BIAS currents. Connect 12k
Ω±
1
%
to GND.
31 AMON Outputs analog monitor signals through the DAC. Internal digital signal
monitoring by analog.
32 NC NC pin. Connect to GND.
33 CSN Chip select
34 NC NC pin. Connect to GND.
35 READY Output = “L” when writing to the EEPROM .
36 DO Data output
37 NC NC pin. Connect to GND.
38 Data input
39 SK Serial clock input
40 DAVSS GND for digital substrate. Connect to GND.
41 DVDD Voltage supply for digital circuit
42 NC NC pin. Connect to GND.
DI
<Rev. 0.6E Preliminary> -50- 2001/11