21
DCD-1500AE
Block Diagram
Functions
(A/D : Analog/Digital, PU : Pull-up, PD : Pull-down, SMT=Schumitt )
No. Terminal Name I/O A/D Classification Function PU PD SMT
1DV
DD33 P VDD & GND Digital 3.3V Power for I/O.
2 ALCR I D MCU I/F Chip select input. (L: Reset) * *
3 MSEL0 I D MCU I/F MCU I/F mode select 0. *
4 MSEL1 I D MCU I/F MCU I/F mode select 1. *
5 MA0 I/O D MCU I/F MCU Address input 0 / data I/O 0 <LSB>. *
6 MA1 I/O D MCU I/F MCU Address input 1 / data I/O 1. *
7 MA2 I/O D MCU I/F MCU Address input 2 / data I/O 2. *
8 MA3 I/O D MCU I/F MCU Address input 3 / data I/O 3. *
9 MA4 I/O D MCU I/F MCU Address input 4 / data I/O 4. *
10 MA5 I/O D MCU I/F MCU Address input 5 / data I/O 5. *
11 MA6 I/O D MCU I/F MCU Address input 6 / data I/O 6. *
12 MA7 I/O D MCU I/F MCU Address input 7 / data I/O 7. *
13 MA8 I D MCU I/F MCU Address input 8 <MSB>. *
14 TESTSEL I D MCU I/F TEST Select input. *
15 MD0 I/O D MCU I/F MCU data I/O 0 <LSB>. *
16 MD1 I/O D MCU I/F MCU data I/O 1. *
17 MD2 I/O D MCU I/F MCU data I/O 2. *
18 MD3 I/O D MCU I/F MCU data I/O 3. *
19 MD4 I/O D MCU I/F MCU data I/O 4. *
20 MD5 I/O D MCU I/F MCU data I/O 5. *
21 DV
SS PVDD & GND Digital Ground.
22 MD6 I/O D MCU I/F MCU data I/O 6. *
23 MD7 I/O D MCU I/F MCU data I/O 7 <MSB>. *
24 MALE I D MCU I/F MCU Address latch signal input. *
25 MCS I D MCU I/F MCU Chip Select signal input. *
26 MWR I D MCU I/F MCU Write strobe signal. *
27 DV
DD33 P VDD & GND digital 3.3V Power. (for I/O )
28 MRD I D MCU I/F MCU Read Strobe signal. *
29 MRDY O D MCU I/F MCU Ready signal. (L: Wait)
30 MINT O D MCU I/F MCU Interrupt signal. (L: Interrupt request)
HFD
Video
VSTEM
Serial
Command
Audio
MCU
Servo
control
X'tal
HF
ASP
PWM
AT C
JTAG
Mecha
control
Servo
singnal
BCA
Data
Slicer
DVD
Demodulation
CD-DSP (DDCD)
Data-PLL
VSTEM
Serial I/F
ASP Serial I/F
Spindle
TZC
GIO
A/D
ICU Timer
Peri. CLK
ICU
MCU I/F
MPEG I/F
EDC
ECC Core
16/4M DRAM
Audio I/F
CD-ROM
Header Dec.
Memory
manager
D/A
PWM
CMD/
RSP
reg.
TC
DSP
ROM/RAM
RAM
DSP CLK/Mode
Data
Direction
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