Sharp GX30 Service Manual - Page 134

IC502 VHIBU7870KN-1L BU7870KN: USB CONTROLLER, Pin No., Terminal name, Input/Output

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GX30 CONFIDENTIAL IC502 VHIBU7870KN-1L (BU7870KN): USB CONTROLLER Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17* 18 19 20 21 22 23 24 25 26 27 28 Terminal name MODESEL1 MODESEL2 UART_RXD UART_TXD CPUVDD UART_RTS BSYNC UART_CTS BDATA BCNT MODESEL3 TXANAOUT RXANAIN GND1 RXANAOUT TXANAIN NC BDATA/CTS BSYNC/RTS USBD-/TXD GND2 USBD+/RXD CPU_USB_D+ CPU_USB_DREG33 PU15 PUEA GND3 Input/Output Input Input Output Input - Input Input Output Input Input Input Output Input - Output Input - Input/Output Output Input/Output - Input/Output Input/Output Input/Output - Output Input - Description of terminal Operation mode switching 1 Operation mode switching 2 UART_RXD output UART_TXD input Digital power supply UART_RTS input BSYNC input UART_CTS output BDATA input BDATA input control Operation mode switching 3 Hands free sending external output Hands free receiving external input Ground Hands free receiving output Hands free sending input Not used BDATA/CTS switching external input/output BSYNC/RTS switching external 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 PMOS open drain output PU15 control input Ground In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside. GND2 USBD-/TXD BSYNC/RTS BDATA/CTS NC TXANAIN RXANAOUT USBD+/RXD 22 21 20 MODE 0,2,3: OFF MODE 1,5: ON CPU_USB_D+ 23 CPU_USB_D- 24 MODE 0,1,5: OFF MODE 2,3: ON 10K REG33 25 PU15 26 H: ON L: OFF CPUVDD PUEA 27 CPUVDD MODE 0,1,5: H MODE 2,3: L CPUVDD MODE 0,1,5: H MODE 2,3: L 19 18 17 16 15 MODE 0,1,2: ON MODE 3,5: OFF MODE 0,2,3,5: OFF MODE 1: ON CPUVDD MODE 0,1,2: ON MODE 3,5: OFF 14 GND1 MODE 0,1,2: OFF MODE 3,5: ON 13 RXANAIN 10K MODE 0,1,3,5: OFF MODE 2: ON CPUVDD 12 TXANAOUT MODE 0,2,3,5: L MODE 1: H 11 MODESEL3 MODE 0,1,3,5: H MODE 2: L 10 BCNT CPUVDD 9 BDATA CPUVDD MODE 0,2,3,5: L MODE 1: H CPUVDD MODE 0,1,3,5: H MODE 2: L CPUVDD MODE 0,2,3,5: L MODE 1: H GND3 28 DEC 1 2 3 CPUVDD 4 5 6 7 8 UART_CTS MODESEL1 MODESEL2 UART_RXD UART_TXD CPUVDD UART_RTS BSYNC 6 - 14

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GX30
6 – 14
CONFIDENTIAL
IC502 VHIBU7870KN-1L (BU7870KN): USB CONTROLLER
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Pin No.
Terminal name
Input/Output
Description of terminal
1
MODESEL1
Input
Operation mode switching 1
2
MODESEL2
Input
Operation mode switching 2
3
UART_RXD
Output
UART_RXD output
4
UART_TXD
Input
UART_TXD input
5
CPUVDD
–
Digital power supply
6
UART_RTS
Input
UART_RTS input
7
BSYNC
Input
BSYNC input
8
UART_CTS
Output
UART_CTS output
9
BDATA
Input
BDATA input
10
BCNT
Input
BDATA input control
11
MODESEL3
Input
Operation mode switching 3
12
TXANAOUT
Output
Hands free sending external output
13
RXANAIN
Input
Hands free receiving external input
14
GND1
–
Ground
15
RXANAOUT
Output
Hands free receiving output
16
TXANAIN
Input
Hands free sending input
17*
NC
–
Not used
18
BDATA/CTS
Input/Output
BDATA/CTS switching external input/output
19
BSYNC/RTS
Output
BSYNC/RTS switching external output
20
USBD-/TXD
Input/Output
USBD-/TXD switching external input/output
21
GND2
–
Ground
22
USBD+/RXD
Input/Output
USBD+/RXD switching external input/output
23
CPU_USB_D+
Input/Output
CPU_USB_D+ input/output
24
CPU_USB_D-
Input/Output
CPU_USB_D- input/output
25
REG33
–
Power supply voltage for USB
26
PU15
Output
PMOS open drain output
27
PUEA
Input
PU15 control input
28
GND3
–
Ground
20
21
14 GND1
GND2
MODESEL1
MODESEL2
UART_RXD
UART_TXD
UART_RTS
BSYNC
CPUVDD
USBD-/TXD
BSYNC/RTS
BDATA/CTS
NC
TXANAIN
RXANAOUT
USBD+/RXD
CPU_USB_D+
CPU_USB_D-
REG33
PU15
PUEA
GND3
RXANAIN
TXANAOUT
MODESEL3
BCNT
BDATA
UART_CTS
19
15
16
17
MODE 0,1,2: ON
MODE 3,5: OFF
CPUVDD
CPUVDD
CPUVDD
CPUVDD
DEC
H: ON
L: OFF
CPUVDD
CPUVDD
CPUVDD
CPUVDD
CPUVDD
CPUVDD
MODE 0,1,2: OFF
MODE 3,5: ON
MODE 0,2,3: OFF
MODE 1,5: ON
MODE 0,2,3,5: OFF
MODE 1: ON
MODE 0,2,3,5: L
MODE 1: H
MODE 0,2,3,5: L
MODE 1: H
MODE 0,2,3,5: L
MODE 1: H
MODE 0,1,3,5: H
MODE 2: L
MODE 0,1,5: H
MODE 2,3: L
MODE 0,1,5: H
MODE 2,3: L
MODE 0,1,5: OFF
MODE 2,3: ON
MODE 0,1,3,5: H
MODE 2: L
MODE 0,1,3,5: OFF
MODE 2: ON
10K
10K
MODE 0,1,2: ON
MODE 3,5: OFF
18
13
12
11
10
9
8
7
6
4
2
1
3
5
22
23
24
25
26
27
28