24
24DN-S5000
DescriptionPin No.
Pin Name
Type
27 XSSBAD I/A Sub-beam addition signal input
166 XSPDIREF I/A
Phase detector reference current generator. Connect a resistor between this pin and
ground to set reference current
167 XSFDIREF I/A
Frequency detector reference current generator. Connect a resistor between this pin and
ground to set reference current
169 XSPLLFTR2 I/A Data PLL loop filter pin#2
171 XSFDO O/A Output node of frequency detector charge pump circuit
172 XSFTROPI I/A Input node of loop filter OP circuit
173 XSVR_PLL I/A PLL reference voltage input
174 XSPDOFTR2 I/A Phase detector filter pin#1
175 XSVREFO O/A Reference voltage output
176 XSAWRCVCO I/A Auto Wide Range Control of VCO input pin. For enlarge VCO range in CAV mode
29 XSDFCT I Detect detection signal input
30 XSCSJ O Chip select signal for accessing control registers
31 XSCLK O Clock output for accessing control registers
32 XSDATA I/O Registers data input/output pin
33 XSLDC O Laser diode on/off control output for both CD/DVD
34 XSFGIN I Motor Hall sensor input
35 XSSPDON O Spindle motor on output
36, 37, 38, 39 XSFLAG[3:0] O These pins are used to monitor some status of servo control block
48, 51, 52 XGPIO[2:0] I/O
1. These pins are used as general purpose I/O bus
2. When use internal microcontroller, XGPIO[2] can be used as programmable I/O port 3.6.
40 XMP1_7 I/O Internal microcontroller programmable I/O port 1.7.
41 XMP1_6 I/O Internal microcontroller programmable I/O port 1.6.
43 XMP1_5 I/O This pin is now changed to be NC.
44 XMP1_4 I/O Internal microcontroller programmable I/O port 1.4.
45 XMP1_3 I/O Internal microcontroller programmable I/O port 1.3.
47 XMP1_2 I/O Internal microcontroller programmable I/O port 1.2.
49 XMP1_1 I/O Internal microcontroller programmable I/O port 1.1.
57 XMP1_0 I/O
Internal microcontroller programmable I/O port 1.0.
This pin is default used as the A16 (microcontroller address line 16)
46 XMFSCSJ I/O Output chip select connected to external flash ROM chip enable pin
54 XMPSENJ I/O Output program store enable connected to external ROM PSENJ pin.
56 XMALE I/O This signal is used as address latch signal in address/data mux mode
70 XMCSJ I/O
1. This signal must be asserted for all microcontroller accesses to the register of this chip
2. When use internal microcontroller, this signal can be used as programmable I/O port 3.1
71 XMRDJ I/O
1. This signal is used as the Read Strobe signal
2. When use internal microcontroller, this signal can be used as programmable I/O port 3.0
72 XMWRJ I/O This signal is used as the Wire Strobe signal
73 XMINT1J I/O
1. This signal is an interrupt line to the microcontroller
2. When use internal microcontroller, this signal can be used as programmable I/O port 3.7
74, 75, 77, 78,
XMA[15:0] I/O These pins are used as address bus
79, 80, 81, 82,
83, 84, 85, 86,
87, 89, 90, 91
62, 63, 64, 65,
XMD[7:0] I/O
These pins are used as data bus for the 16-bit processor mode, or the address/data mux
66, 67, 68, 69 bus for the 8-bit processor mode.
163 XTPLCK I/O PLCK test pin
164 XTSLRF I/O SLRF test pin
59 XOSC1 I Crystal input/System clock. The input frequency from outside crystal or oscillator is 33.8688MHz
60
XOSC2 O Crystal output
53 XCRSTJ I
Chip Reset. As asserted low input generates a component reset that stops all operations within
the chip and deasserts all output signals. All input/output signals are set to input.
94 XHCS1J I This pin is used to select the command block task file registers
93 XHCS3J I This pin is used to select the control block task file registers
103 XHIORJ I Asserted by the host during a host I/O read operation
104 XHIOWJ I Asserted by the host during a host I/O write operation
105
XHDRQ O
1.
DMA request. This pin is configured as the DMA request signal, and is used during DMA transfer
between the host and the controller. This pin is tri-stated when DMA transfers are not enabled.
2.
MPEG acknowledge. This pin is used as the ACKJ signal when MPEG interface mode is selected.
101 XHDACKJ I
1. DMA acknowledge. This pin is configured as DACKJ, and is used as the DMA acknowledge
signal during DMA data transfers.
2. MPEG request. This pin is used as the REQ signal when MPEG interface mode is selected
99 XHCS16J O
1. 16-bit data select. This signal indicates that a 16-bit data transfer is active on the host data
bus. This pin is open-drain tri-state output.
2. MPEG clock. This pin is used as the CLOCK signal when MPEG interface mode is selected.
50 XHRSTJ I Host Reset. The reset of ATA bus
100 XHINT O
1. Host interface request. This tri-state pin is the host interrupt request, and is asserted to
indicate to the host that the controller needs attention.
2. MPEG begin. This pin is used as the BEGIN signal when MPEG interface mode is selected
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