Sony PRS-500 Service Manual page 40

PRS-500
MAIN BOARD IC1610 APOLLO1-18 (INDICATOR CONTROLLER)
Pin No. Pin Name
A1 D17
A2 D19
A3 D21
A4 D23
A5 D25
A6 D27
A7 D29
A8 D31
A9 SRC_D7
A10 SRC_D6
A11 SRC_D5
A12 SRC_D4
A13 SRC_D3
A14 n.c.
A15 SRC_D1
B1 n.c.
B2 Vss
B3 D20
B4 D22
B5 D24
B6 D26
B7 D28
B8 D30
B9 R_NWE
B10 R_NCS
B11 R_NOE
B12 SRC_CE3
B13 SRC_CE2
B14 SRC_CE1
B15 n.c.
C1 A0
C2 A1
C3 VDD
C4 VSS
C5 R_NUB2
C6 D18
C7 R_NLB2
C8 VDD
C9 n.c.
C10 R_NUB1
C11 SRC_D2
C12 R_NLB1
C13 SRC_D0
C14 SRC_LE
C15 VSS
D1 A2
D2 A3
D3 F_NCE
40
I/O
I/O 32 bits data bus
I/O 32 bits data bus
I/O 32 bits data bus
I/O 32 bits data bus
I/O 32 bits data bus
I/O 32 bits data bus
I/O 32 bits data bus
I/O 32 bits data bus
O 8 bits source driver data bus
O 8 bits source driver data bus
O 8 bits source driver data bus
O 8 bits source driver data bus
O 8 bits source driver data bus
— Not used (Open)
O 8 bits source driver data bus
— Not used (Open)
— Ground
I/O 32 bits data bus
I/O 32 bits data bus
I/O 32 bits data bus
I/O 32 bits data bus
I/O 32 bits data bus
I/O 32 bits data bus
O Write enable for SRAM
O Chip select for SRAM
O Output enable for SRAM
O Chip enable 3 for source driver
O Chip enable 2 for source driver
O Chip enable 1 for source driver
— Not used (Open)
O 22 bits address bus
O 22 bits address bus
— +3V0
— Ground
O Byte select 3 for SRAM
I/O 32 bits data bus
O Byte select 2 for SRAM
— +3V0
— Not used (Open)
O Byte select 1 for SRAM
O 8 bits source driver data bus
O Byte select 0 for SRAM
O 8 bits source driver data bus
O Latch enable for source driver
— Ground
O 22 bits address bus
O 22 bits address bus
O Chip enable for Flash
Description