lc898093 Sanyo Semiconductor Corporation, lc898093 Datasheet - Page 10

• Manufacturer Part Number: lc898093
• Description: 40 ? Playback/12 ? Write Cd-r/rw Encoder/decoder Ic With Built-in Atapi Interface
• Manufacturer: Sanyo Semiconductor Corporation

Continued from preceding page.
Pin Functions
<ATAPI Pins>
Pin No.
CS1FX (input)
CS3FX (input)
DA0 to DA2 (input)
DASP (input/output)
DD0 to DD15 (input/output)
DIOR (input)
DIOW (input)
DMACK (input)
DMARQ (input)
HINTRQ (output)
IOCS16 (output)
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
Chip select signal that selects the command block register.
Chip select signal that selects the control block register.
Address for accessing the ATAPI interface registers.
Drive 1 is output and drive 0 is input.
Signal used to indicate to drive 0 that drive 1 exists.
16-bit data bus. This interface supports both 8-bit and 16-bit transfers.
Read strobe from the host.
Write strobe from the host.
Acknowledge signal from the host used during DMA transfers. Corresponds to the DMARQ request signal from the
drive.
Drive request signal used during DMA transfers.
Drive interrupt request signal to the host.
Signal asserted by the drive when the drive supports 16-bit transfers.
This signal is not asserted during DMA transfers.
Pin name
DD10
RAS0
RAS1
RAS2
CAS0
CAS1
UWE
DD4
DD5
DD9
DD6
DD8
DD7
LWE
V
V
RA0
RA1
RA2
RA3
V
V
V
OE
DD
SS
DD
SS
DD
Type
O
O
O
O
O
O
O
O
O
O
O
O
B
B
B
B
B
P
P
B
B
P
P
P
IDE interface signals
Digital system power supply (3.3 V)
Digital system ground (V
IDE interface signals
DRAM RAS signal outputs
DRAM lower write enable
Digital system power supply (5 V)
Digital system ground (V
DRAM upper write enable
DRAM CAS signal output
DRAM output enable
CD-ROM encoder/decoder DRAM address lines
Digital system power supply (5 V)
SS
SS
)
)
LC898093
Pin function
No. 6495-10/14