XV-LTR1
1-30
MN103S28EGA (IC301) : Super optical disc controller
1.Terminal layout
2.Block diagram
DVD-ROM
Formatter
CGEN
CD-PRE
Instruction
memory
(40KB)
DMA
I/F
ECC
Host I/F
MPEG I/F
High speed IO bus
32 bit
CPU core
DMA
Data
memory
(6KB)
BCU
DRAMC
ATAPI
2Mbit
DRAM
INTC
SYSTEM
I/F
16 bit
timer x 2
WDT
CIRC
General purpose IO bus
MODE
Servo I/O
(core 1 I/O)
Analog
Servo core
(core 2)
RAM
1
44
132
89
176 133
45 88
1,2
3
4
5
6
7
8
9~17
18
19
20
21
22~30
31
32
33
34
35
O
-
-
O
O
O
I
I
-
-
-
-
I
-
-
-
I
I
Pin No.
Symbol
NINT0,1
VDD3
VSS
NINT2
WAITDOC
NMPST
DASPST
CPUADR17~9
VDD18
VSS
DRAMVDD18
DRAMVSS
CPUADR8~0
VDD3
VSS
DRAMVDD3
NCS
NWR
I/O
Description
3.Pin function (1/4)
Interruption of system control 0,1
Power supply terminal for I/O(3.3V)
Connect to ground
Interruption of system control 2
Wait control of system control
Reset of system control (Non connect)
Setting of initial value of DASP signal
System control address
Power supply terminal for I/O (1.8V)
Connect to ground
Power supply terminal for DRAM (1.8V)
Connect to ground for DRAM
System control address
Power supply terminal for I/O (3.3V)
Connect to ground
Power supply terminal for DRAM (3.3V)
System control chip select
Writing system control