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IC502 VHIBU7870KN-1L (BU7870KN): USB CONTROLLER
Pin
Terminal
Input/
No.
name
Output
1
MODESEL1
Input
2
MODESEL2
Input
3
UART_RXD
Output UART_RXD output
4
UART_TXD
Input
5
CPUVDD
-
6
UART_RTS
Input
7
BSYNC
Input
8
UART_CTS
Output UART_CTS output
9
BDATA
Input
10
BCNT
Input
11
MODESEL3
Input
12
TXANAOUT
Output Hands free sending external output
13
RXANAIN
Input
14
GND1
-
15
RXANAOUT
Output Hands free receiving output
16
TXANAIN
Input
*
17
NC
-
18
BDATA/CTS
Input/
Output
19
BSYNC/RTS
Output BSYNC/RTS switching external output
20
USBD-/TXD
Input/
Output
21
GND2
-
22
USBD+/RXD
Input/
Output
23
Input/
CPU_USB_D+
Output
24
CPU_USB_D-
Input/
Output
25
REG33
-
26
PU15
Output PMOS open drain output
27
PUEA
Input
28
GND3
-
In this unit, the terminal withasterisk mark ( * ) is (open) terminal which
is not connected to the outside.
21
20
19
MODE 0,2,3:OFF
MODE 1,5: ON
USBD+/RXD
22
MODE 0,2,3,5: OFF
MODE 1: ON
CPU_USB_D+
23
CPU_USB_D-
24
REG33
25
CPUVDD
PU15
26
H:ON
L: OFF
PUEA
27
GND3
28
DEC
1
2
3
CONFIDENTIAL
Description of terminal
Operation mode switching 1
Operation mode switching 2
UART_TXD input
Digital power supply
UART_RTS input
BSYNC input
BDATA input
BDATA input control
Operation mode switching 3
Hands free receiving external input
Ground
Hands free sending input
Not used
BDATA/CTS switching external
input/output
USBD-/TXD switching external
input/output
Ground
USBD+/RXD switching external
input/output
CPU_USB_D+ input/output
CPU_USB_D- input/output
Power supply voltage for USB
PU15 control input
Ground
18
17
16
15
MODE 0,1,2: ON
MODE 3,5: OFF
MODE 0,1,2: ON
MODE 3,5: OFF
14 GND1
CPUVDD
13
RXANAIN
MODE 0,1,2: OFF
MODE 3,5: ON
12
TXANAOUT
CPUVDD
MODE 0,2,3,5: L
MODE 1: H
MODESEL3
11
10
BCNT
9
BDATA
8
UART_CTS
CPUVDD
4
5
6
7
IC505 VHIXC620930-1L (XC620930): REGULATOR
Pin
Terminal
Input/
No.
name
Output
1
VIN
Input
2
VSS
-
3
CE
Input
4
NC
-
5
VOUT
Output
In this unit, the terminal withasterisk mark ( * ) is (open) terminal which
is not connected to the outside.
ON/OFF
CE
3
-
+
IC506 RUNTZA005AFZZL (UGNZ2): BLUETOOTH MODULE
Pin
Terminal
No.
name
*
1
USBP
*
2
USBN
3
UART_RTS
4
GND
5
GND
6
UART_TxD
7
UART_RxD
8
UART_CTS
9
PIO8
10
VCC_IO
11
VCC
12
PCM_OUT
13
PCM_SYNC
*
14
XTAL_IN
*
15
XTAL_OUT
16
RESETB
17
VDD18V
18
PCMCLK
19
PCM_IN
20
PIO5
TM200 OTHERS
6 - 9
Description of terminal
Input
Ground
ON/OFF Control
Not used
Output
1
Each ciruit
Control
Current
Limit
5 VOUT
Voltage
2
Reference
Input/
Description of terminal
Output
Input/
USB DATA+ (Not used)
Output
Input/
USB DATA- (Not used)
Output
Output UART/Ready to send to DTE
-
Ground
-
Ground
Output UART/TxD to DTE
Input
UART/RxD from DTE
Input
UART/Clear to send from DTE
Input/
General purpose I/O
Output
Input
Positive supply voltage for IO voltage
Connect the VCC, if IO voltage is
same as VCC
Input
Main supply voltage input 1 Regulated
DC source recommended
Output PCM data stream output
Input/
Connection to PCM frame sync Input/
Output
output of 8 kHz
Input
Ext clock in (Not used)
Input
Ext clock out (Not used)
Input
System reset
Output VDD_CORE decupling capacitor
Input/
Connction to PCM reference Clock
Output
input/output of 256 kHz
Input
PCM data stream input
Input/
General purpose I/O
Output
VIN
VSS
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