LG CED-8042B Manual page 20

Motor Interface
Pin No. Pin Name
1 DPLOCK
2 FGIN
3 REVDET
4 DMCON
5 MON
6 SBRK
8 MPWM
176 TON
ATAPI Local Bus Interface
Pin No. Pin Name
52 DASPB
53 CS3FXB,
54 CS1FXB
55, 59, 56 DA [2 : 0]
58 DIAGB
60 IOCS16B
61 DINT
63 DACKB/
HREQ
DIORDY/
64
DSTROBE
DIORB/
65 HWRB/
HSTROBE
DIOWB/
66 HRDB/
STOP
67 DREQ/
HACKB
69, 70, 72,
73, 74, 75,
77, 78, 79, DD [15 : 0]
80, 82, 83,
84, 85, 87,
88
89 DRSTB
43
Type
IN (PD) DSP PLL LOCK : CD-DA DSP PLL locked
IN FG IN : FG, HG (tacho.) pulse input
IN (PD) REVERSE DETECT : Detection to reverse of motor driver
OUT DSP MOTOR CONTROL ON : Servo switch signal between RL5E808 and CD-DA DSP
OUT MOTOR ON : Motor driver on
OUT SHORT BREAK : Motor brake by a short
OUT(TS) MOTOR PWM : PWM pulse output (L, H, Z)
I/O (PD) TRACKING SERVO ON : Flag of tracking servo on
Type
I/O (PU) DRIVE ACTIVE/SLAVE PRESENT : Slave device present
IN (PU) CHIP SELECT 1FX, 3FX : ATA chip select
IN (PU) ADDRESS : Address signals
I/O (PU) DIAGNOSTIC : Diagnostic ATA drive
OUT (OD) IOCS16 : ATA 16 bit I/O
OUT (TS) DRIVE INTERRUPT REQUEST : Device interrupt
DATA ACKNOWLEDGE/DMA REQUEST : ATAPI DMA acknowledge
IN (PU)
DMA request in case of connection to SCSI DMA
OUT (TS) I/O READY : I/O channel ready (DSTROBE in case of Ultra DMA)
DRIVE I/O READ/DMA WRITE STROBE : ATAPI drive I/O read
I/O (PU) DMA write strobe in case of connection to SCSI DMA
(HSTROBE in case of Ultra DMA)
DRIVE I/O WRITE/DMA READ STROBE : ATAPI drive I/O write
I/O (PU) DMA read strobe in case of connection to SCSI
(STOP in case of Ultra DMA)
OUT (TS) DATA REQUEST/DMA ACKNOWLEDGE : ATAPI DMA request
DMA acknowledge in case of connection to SCSI DMA
I/O (PU) DATA : Data signals
IN (PU) ATA RESET : ATA drive reset
Description
Description