TEAC DW-224E-V Hardware Specification - Page 15

Input/Output Signals

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(4) Open-drain output signals ( -IOCS16) • Low level : 0 to 0.4VDC (output sink current 12mA) • Maximum output current at high impedance : ±25µA (5) Input signals (-RESET, -DIOW, -DIOR, -CSEL, -DMACK, DA0 to DA2, -CS0, -CS1) (a) Input signal level • Low level : 0 to 0.8VDC • High level : 2.0 to 5.25VDC • Hysteresis (excluding RESET, -CSEL) : possessed • Maximum input current : ±25µA (excluding the pull-up resistance) • Pull-up resistance -RESET : 10kΩ -CSEL : 47kΩ • Series resistance (-RESET, -DIOW, -DIOR, -DMACK, DA0 to DA2, -CS0, -CS1) : 82Ω 14.3 Input/Output Signals Refer to Table 14.3-1. Among the following signals, the input signal refers to the signal input to the CD-RW drive and the output signal refers to the signal output from the CD-RW drive and the input/output signal refers to the bidirectional signal. (Table 14.3-1) IDE Interface signal summary (Sheet 1 of 2) Signal -CSEL -CS0 -CS1 DD0 DD1 DD2 DD3 DD4 DD5 DD6 DD7 DD8 DD9 DD10 DD11 DD12 DD13 DD14 DD15 -DASP Description Cable select Chip select0 Chip select1 Data bus bit 0 Data bus bit 1 Data bus bit 2 Data bus bit 3 Data bus bit 4 Data bus bit 5 Data bus bit 6 Data bus bit 7 Data bus bit 8 Data bus bit 9 Data bus bit 10 Data bus bit 11 Data bus bit 12 Data bus bit 13 Data bus bit 14 Data bus bit 15 Device active/Slave present Direction IN IN IN IN/OUT IN/OUT IN/OUT IN/OUT IN/OUT IN/OUT IN/OUT IN/OUT IN/OUT IN/OUT IN/OUT IN/OUT IN/OUT IN/OUT IN/OUT IN/OUT IN/OUT - 13 -

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° 13 °
(4) Open-drain output signals ( °IOCS16)
³ Low level
: 0 to 0.4VDC (output sink current 12mA)
³ Maximum output current at high impedance
: –25¶A
(5) Input signals (°RESET, °DIOW, °DIOR, °CSEL, °DMACK, DA0 to DA2, °CS0, °CS1)
(a) Input signal level
³ Low level
: 0 to 0.8VDC
³ High level
: 2.0 to 5.25VDC
³ Hysteresis (excluding RESET, °CSEL)
: possessed
³ Maximum input current
: –25¶A (excluding the pull-up resistance)
³ Pull-up resistance
°RESET
: 10k
Ω
°CSEL
: 47k
Ω
³ Series resistance (°RESET, °DIOW, °DIOR, °DMACK, DA0 to DA2, °CS0, °CS1)
: 82
Ω
14.3
Input/Output Signals
Refer to Table
14.3-1
.
Among the following signals, the input signal refers to the signal input to the CD-RW drive and the output
signal refers to the signal output from the CD-RW drive and the input/output signal refers to the bidirectional
signal.
(Table 14.3-1)
IDE Interface signal summary (Sheet 1 of 2)
Signal
Description
Direction
°CSEL
Cable select
IN
°CS0
Chip select0
IN
°CS1
Chip select1
IN
DD0
Data bus bit 0
IN/OUT
DD1
Data bus bit 1
IN/OUT
DD2
Data bus bit 2
IN/OUT
DD3
Data bus bit 3
IN/OUT
DD4
Data bus bit 4
IN/OUT
DD5
Data bus bit 5
IN/OUT
DD6
Data bus bit 6
IN/OUT
DD7
Data bus bit 7
IN/OUT
DD8
Data bus bit 8
IN/OUT
DD9
Data bus bit 9
IN/OUT
DD10
Data bus bit 10
IN/OUT
DD11
Data bus bit 11
IN/OUT
DD12
Data bus bit 12
IN/OUT
DD13
Data bus bit 13
IN/OUT
DD14
Data bus bit 14
IN/OUT
DD15
Data bus bit 15
IN/OUT
°DASP
Device active/Slave present
IN/OUT