DK-V2 (serv.man2) - Sharp Audio Service Manual (repair manual). Page 31

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DK-V2
6 – 4
IC301 RUITZA014AWZZ : BLUETOOTH CLASS 2 MODULE ( BT-STA2416C2 )
PIN DESCRIPTION
UART
32kHz
XTAL
13MHz
XTAL
STA2416
Baseband
ARM7 proc
STLC2150
Radio chip
Filter balun
RF antenna
USB
PCM
SPI
I2C
GPIO
BLOCK DIAGRAM
Pin No.
Pin
I/O
Description
1
TDI
JTAG  pin.
2
TMS
JTAG  pin.
3
NTRST
JTAG pin.
4
TDO
JTAG  pin.
5
TCK
JTAG  pin.
6
INT1
I
External Interrupt signal.
7
12C_dat
I/O
12C bus interface data.
8
12C_clk
I/O
12C bus interface clock.
9
PCM_CLK
I/O
PCM clock.
10
PCM_SYNC
I/O
PCM 8kHz synch.
11
PCM_B
I/O
PCM Data In/Out
12
PCM_A
I/O
PCM Data In/Out
13
UART2_RXD
I
UART2 data input.
14
UART2_TXD
O
UART2 data output.
15
UART2_l1
O/T
UART2 clear to send input.
16
UART2_02
O
UART1 ready to send output.
17
SPI_FRM
I/O
Syncronous Serial Interface frame synch.
18
SPI_CLK
I/O
Syncronous Serial Interface clock.
19
SPI_TXD
O/T
Syncronous Serial Interface transmit data.
20
SPI_RXD
I
Syncronous Serial Interface receive data.
21
USB_DN
I/O
USB data -
22
USB_DP
I/O
USB data +
23
RESET
I
Reset pin (active low).
24
BOOT
I
External downloading Enable (active low).
Internally pul-upped to 1.8V by 10kohm.
25
GPIO0
I/O
General purpose I/O line.
26
GPIO1
I/O
General purpose I/O line.
27
GPIO2
I/O
General purpose I/O line.
28
GPIO3
I/O
General purpose I/O line.
29
GPIO4
I/O
General purpose I/O line.
30
GPIO5
I/O
General purpose I/O line.
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