NAD VISO 1 Service Manual page 62

MCU BOARD (PHASE I) - (3)
UART INTERFACE1
R29 33
UART_RTS_H
R30 33
UART_CTS_H
R40 33
UART_RX_H
R41 33
UART_TX_H
BT_STATE/BT_PRIORITY
I2S_DATA_BT
LRCK_BT
FOR DEBUG ONLY SCK_BT
+3.3V
D1
130 R72
+3.3V
D3 130 R73
C46
0.1u
UART INTERFACE2
33
R68
DTR
R69 33
DSR
R70 33
RI
R71 33
DCD
+3.3V
R42
22k
1 GPIO_8/DTR
2 GPIO_5/BT_STAT
3 PCM_IN
4 PCM_OUT
J7
5 PCM_SYNC
6 PCM_CLK
BTM511
7 LED_EXT1
8 LED_EXT0
9 GND1
10 VDD_USB
11 VDD_IO
12 MSTR_VIN
WLAN_ACTIVE
RF_ACTIVE
39
NC13
38
NC12
37
NC11
36
NC10
35
NC9
34
NC34
33
NC8
32
MIC_AN_C
31
MIC_AP_C
30
MIC_BN_C
29
MIC_BP_C
28
MIC_BIAS
BT_ACTIVE
61
+3.3V
R60
10k
BT_STATE/BT_PRIORITY
BT_ACTIVE
R61
NC
+3.3V
R62
10k
RF_ACTIVE
WLAN_ACTIVE
R63
NC
+3.3V
R64
10k
R65
NC
+3.3V
R66
10k
R67
NC