Sch12 Bar Key At2853 Bt Module - Polk Mono Signa S4 Service Manual

SCH12 Bar KEY AT2853 BT MODULE

BT_3.84V BT RESET ACTIVE HIGH
U2
1 42
AGND GND
2 41
AVCC GPIO23
3 40
INPUT1R/GPIO45 GPIO22
4 39
INPUT1L/GPIO44 GPIO21
5 38
INPUT0R/GPIO43 GPIO20
6 37
INPUT0L/GPIO42 GPIO28
7 36
INPUT2R/GPIO47 GPIO17
8 35
R15 33
INPUT2L/GPIO46 GPIO16
ATS2853_MODULE BT_LRCLK
9 34
AOUTTRP/VRO/GPIO38 GPIO15
BT_BCLK
10 33
AOUTRN/VRO_S/GPIO39 GPIO14
11 32
AOUTR/AOUTLN GPIO2
12 31
AOUTL/AOUTLP GPIO1
13 30
AGND GPIO0
14 29
GND GPIO12
15 28
GPIO9 GPIO13
TP12 TP13
TP11
L1
WIO0
1.8nH/0.4A
Close to the BT module,
place inside the shield
C28
0.3pF/50V/HQC
AT2853 BT_MODULE
20
PBZ1
1
1
1.27mm/2*11P
Antenna on board
XP2
4PIN/1.25mm
1
1
DP R13 10Ω 2
TP2 2
DM R14 10Ω 3
TP3 3
4
4
SPDIF_RX
BT_SPDIF
TP4 SPDIF_TX
BT_SPDIF
BT_TX BT_SPDIF 4
BT_TX 4
BT_RX
BT_RESET BT_RX 4
BT_RESET 4
NC/XP3
4PIN/1.25mm
1
UART0_RX 1
2
UART0_TX 2
3
3
4
4
NC/XP4
R20 0 RFIO
4PIN/1.25mm
1
BT_BCLK 1
2
BT_LRCLK 2
C26 C27 3
3
NC NC 4
4
BT_RESET
DP
DM
BT_RX
BT_TX
BT_LRCLK
BT_BCLK
UART0_RX
UART0_TX
Close to the BT module,