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SAA7385 Datasheet(PDF) 8 Page - NXP Semiconductors

Part No. SAA7385
Description  Error correction and host interface IC for CD-ROM SEQUOIA
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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SAA7385 Datasheet(HTML) 8 Page - NXP Semiconductors

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1996 Jun 19
8
Philips Semiconductors
Preliminary specification
Error correction and host interface IC for
CD-ROM (SEQUOIA)
SAA7385
RXS2B
93
I
Schmitt, PU25
S2B interface receive
TXS2B
94
O
4 mA
S2B interface transmit
TRAYIN
95
I/O
4 mA, PD25
tray extend control; active LOW (general purpose signal)
TRAYOUT
96
I/O
4 mA, PD25
tray retract control; active LOW (general purpose signal)
SCSIRST
97
I
Schmitt
SCSI reset, active LOW; also causes a system reset
POR
98
I
CMOS
power-on reset; active LOW
VDD6
99
−−
power supply 6
UC_PORT1.7
100
I/O
CMOS 2, PU25
drive speed select; microcontroller port 1.7
RAB_MUSB
101
I/O
CMOS 2, PU25
RD/WR, acknowledge; microcontroller port 1.2
NRST_SEQ
102
I/O
CMOS 2, PU25
reset to engine; microcontroller port 1.5
UC_PORT1.4
103
I/O
CMOS 2, PU25
general purpose microcontroller I/O port; port 1.4
UC_PORT1.3
104
I/O
CMOS 2, PU25
general purpose microcontroller I/O port; port 1.3
UC_PORT1.1
105
I/O
CMOS 2, PU25
general purpose microcontroller I/O port; port 1.1
HOMESW
106
I/O
2 mA, PU25
actuator sled home; active LOW; microcontroller port 1.0
PLAY
107
I
Schmitt
laser on and focused status; active LOW; RDSW(4)
UC_PORT1.6
108
I/O
CMOS 2, PU25
general purpose microcontroller I/O port; port 1.6
VSS13
109
−−
ground 13
GPI1
110
I
Schmitt, PU25
general purpose input; microcontroller port 3.4
GPI2
111
I
Schmitt, PU25
general purpose input; microcontroller port 3.5
KILL
112
I
Schmitt, PU25
shut off audio; active LOW
TXICE
113
O
4 mA
debug UART output; from 80C32 serial port
RXICE
114
I
Schmitt, PU25
debug UART input; to 80C32 serial port
RXSUB
115
I
Schmitt, PU25
sub-code input
VDD7
116
−−
power supply 7
OSCIN
117
I
standard
master input clock; 34 or 16 MHz
VSS14
118
−−
ground 14
CLAB
119
I
Schmitt
clock
VSS15
120
−−
ground 15
DAAB
121
I
Schmitt
data
WSAB
122
I
Schmitt
word strobe
EFAB
123
I
Schmitt
error flag
CLK34
124
O
2 mA
34 MHz output clock
TEST
125
I
Schmitt, PD25
test pin; must be ground
VSS16
126
−−
ground 16
DA0
127
O
S4
DRAM address bus; bit DA0
DA1
128
O
S4
DRAM address bus; bit DA1
SYMBOL
PIN
I/O
PAD
DESCRIPTION


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