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Aklko Speclflcatlon
NAME (con’t)
TYPE (con’t) Signal Descrlption (con’t)
ROMEN_
O
ROM Enable
DBR_
|
Chip Data Bus Request
RWE_
O
DRAM Write Enable
IFCLK
I
CD Command Interface Clock
IFDAT
B
CD Command Interface Data
IFDIR
1
CD Command Interface Direction
LRCLK
1
CD Data Loft/Right Clock
VDDI2 P Power
VDDE2
P Power
DATA 1
CD-Data Data
C2PO 1
CD-Data Errors
INT2_
O
Interrupt Request (Chips)
INT3_
1
Interrupt Request (Chips)
INT6_
O Interrupt Request (Chips)
BLS_
0
Blitter Slow Down
SCOR
1
CD-Subcode Sync
SUBCL
0
CD-Subcode Clock
SUBDAT
1 CD-Subcode Data
WFCLK
1
CD-Subcode Frame Clock
LED_
B
Power On LED / Audio Filter Disable
MUTE
B
Audio Mute Signal
VSSE8
P
Power
FIREO
B
Fire Button
F1RE1
B
Fire Button
KBCLK
B
Keyboard Clock (Keyboard)
KBDATA
B
Keyboard Data (Keyboard)
IOPO
B
General Purpose I/O Pin 0
IOP1
B
General Purpose I/O Pin 1
BR_
O
Bus Request
BG_
1
Bus Grant
VDDE5 P
Power
BERR_
O
Bus Errors
AS_
B
Address Strobe
DS_
B
Data Strobe
RW_
B
Processor Read/Write
S20
B
Data Transfer Size
S21 B
Data Transfer Size
DSACK0_
B
Data Transfer Termination
DSACK1
B
Data Transfer Termination
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