Sony PCM-D50 Service Manual page 53

• IC Pin Function Description
SYSTEM BOARD (1/5) IC1001 MC-10051F1-FAE-A (SYSTEM CONTROL/DSP)
Pin No. Pin Name
A1, A2, A3 NC
A4 NAND_WEZ
A5 IO_B
A6 PBIAS
A7 VUSBLOG
A8 VUSBPLL
A9, A10 PHYXO, PHYXI
A11 UPLLGND1
A12, A13 USBAGND1
A14, A15 DM, DP
A16 USBIOVDD
A17 VCCVBUS
A18 USBTEST5
A19 IO_A
A20 VDD_L0
A21, A22 AB0_A8, AB0_A13
A23 AB0_A17
A24 to A26 NC
B1, B2 NC
B3 NAND_CSZ2
B4 NAND_DA0
B5 IO_B
B6 ADIN4
B7 ADIN6
B8 ADINB
B9 ADVCC
B10 CPIN
B11 VUSBREFGND
B12 ULOGGND
B13 SWGND
B14 USB_DATA4
B15 SWADP2
B16 USBDGND
B17 VCCADP
B18 USBTEST4
B19 IO_A
B20 VDD_L0
B21, B22 AB0_A9, AB0_A14
B23, B24 AB0_A18, AB0_A21
B25, B26,
NC
C1
C2 NAND_CSZ1
C3 NAND_CSZ3
C4 NAND_DA1
C5 IO_B
C6 ADIN3
C7 ADIN5
C8 ADIN7
C9 ADGND
C10 USB_DATA0
C11 USB_DIR
C12 USB_DATA2
C13 USB_CLK
C14 USB_DATA5
I/O
—
Not used (Open)
O Write enable signal output to the NAND ROM
—
Power supply (VDD_GP1)
—
Not used (Open)
—
Not used (Open)
—
Not used (Open)
—
Not used (Open)
—
Not used (Open)
—
Not used (Open)
—
Not used (Open)
—
Not used (Open)
I VBUS detect signal input
—
Not used (Open)
—
Power supply (VDD_IOA)
—
Power supply (VDD_L0)
—
Not used (Open)
—
Not used (Open)
—
Not used (Open)
—
Not used (Open)
O Chip select signal output to the NAND ROM
I/O Date input/output with the NAND ROM
—
Power supply (VDD_GP1)
I DCIN_AD signal input (A/D input)
I Key input (A/D input)
I Key input (A/D input)
O VDD_ADC power supply output
—
Not used (Open)
—
Not used (Open)
—
Not used (Open)
—
Ground
—
Not used (Open)
—
Not used (Open)
—
Not used (Open)
O VCCADP power supply output
—
Not used (Open)
—
Power supply (VDD_GP1)
—
Power supply (VDD_L0)
—
Not used (Open)
—
Not used (Open)
—
Not used (Open)
O Chip enable signal output to the NAND ROM
O Chip enable signal output (Not used in this set)
I/O Date input/output with the NAND ROM
—
Power supply (VDD_GP1)
I DCIN_AD signal input (A/D input)
I Key input (A/D input)
I Key input (A/D input)
—
Ground
—
Not used (Open)
—
Not used (Connected ground)
—
Not used (Open)
—
Not used (Connected ground)
—
Not used (Open)
Description
PCM-D50
53