Analog Devices SigmaDSP ADAU1463 - Page 42

UG-1134 EVAL-ADAU1467Z
Rev. A (Draft) | Page 42 of 55
Figure 107. Status LEDs and Inverter Schematic
Figure 108. Write Back Trigger Schematic
3
4
U7-B
C77
0.10µF
MC_MIC_POWER
INV_MIC_PWR
R48
475R
D6
13
12
U7-F
WRITEBACK
R50
475R
D7
1
2
7
14
U7-A
3V3_A
R79
475R
D9
IOVDD
9
8
U7-D
SELFBOOT
R43
475R
D3
IOVDD
D4
RESET
5
U7-C
6
R45
475R
D5
USB_RESET
11
U7-E
74ACT04SC_HEXINVERTER
10
R46
475R
4
VCC
3
MR
1
GND
2
RESET
U5
ADM811MARTZ
5V00_UNREG
WRITEBACK
THRESHOLD VOLTAGE:
4.38VDC
R49
100k
C60
0.10µF
R49
100k
15786-106
DRAFT