e-STUDIO162/162D/151/151D ELECTRICAL SECTION 13 - 4
b. ASIC (Signal table)
PIN
No.
Signal Name IN/OUT Connected to Description
1 cpudata7 IN/OUT CPU CPU data bus
2 cpudata6 IN/OUT CPU CPU data bus
3 cpudata5 IN/OUT CPU CPU data bus
4 cpudata4 IN/OUT CPU CPU data bus
5 VCC_AC Power
6 cpudata3 IN/OUT CPU CPU data bus
7 cpudata2 IN/OUT CPU CPU data bus
8 cpudata1 IN/OUT CPU CPU data bus
9 cpudata0 IN/OUT CPU CPU data bus
10 GND_AC Power
11 mircnt OUT Buffer IC ADF scanner select
signal
12 cpusync OUT CPU CPU SYNC signal
13 mem_intr Not used
14 arb_intr OUT CPU INTR signal
15 VCC_core Power
16 cpu_ad8 IN CPU CPU address bus
17 cpu_ad7 IN CPU CPU address bus
18 cpu_ad6 IN CPU CPU address bus
19 cpu_ad5 IN CPU CPU address bus
20 GND_core Power
21 ram_clk_in IN ASIC SDRAM clock on the
board
22 cpu_ad4 IN CPU CPU address bus
23 cpu_ad3 IN CPU CPU address bus
24 cpu_ad2 IN CPU CPU address bus
25 cpu_ad1 IN CPU CPU address bus
26 cpu_ad0 IN CPU CPU address bus
27 xcpucs IN CPU CS signal
28 sfclk IN Oscillator Clock
29 GND_core Power
30 xcpuwr IN CPU CPU write signal
31 xcpurd IN CPU CPU read signal
32 nrst IN SYSTEM
RESET
SYSTEM RESET
33 VCC_core Power
34 pfclk2 IN Not used
35 clock_sw IN Pull up
36 GND_core Power
37 pfclk1_xout OUT X-tal units VIDEO clock
38 pfclk1 IN X-tal units VIDEO clock
39 VSSPLL2 Pull up
40 VDDPLL2 Pull up
41 VSS2 Pull up
42 VDDI2 Pull up
43 tm2_15m Pull up
44 xsync IN LSU Horizontal sync
signal from LSU
(/SYNC)
45 GND_AC Power
46 xld OUT LSU Laser drive signal
47 xlend OUT LSU Laser APC signal
48 VCC_AC Power
49 mmd OUT Tr array IC Main motor control
signal. "H": Main
motor ON
50 pmd OUT I/O Polygon motor drive
51 tc OUT Tr array IC Transfer charger
control signal. "H":ON
52 gridl OUT Tr array IC Main charger grid
control signal. "H": L
output
53 mc OUT Tr array IC Main charger control
signal. "H": ON
54 bias OUT I/O HV bias drive
55 NC OUT I/O Not used
56 vfmcnt OUT Tr array IC Ventilation fan
rotation speed control
signal. "H": High
speed, "L": Low
speed
57 VCC_core Power
58 vfm OUT Tr array IC Ventilation fan control
signal. "H": Fan ON
59 /FPOFF OUT I/O FAX poff signal
60 GND_core Power
61 DEV DIR OUT I/O CRUM bus control
62 spfclh OUT Tr array IC ADF/RADF resist
roller clutch control
signal "H":ON
63 spfrsol OUT Tr array IC ADF/RADF document
feed solenoid control
signal "H":ON
64 spfgsol OUT Tr array IC ADF/RADF gate
solenoid control
signal "H":ON
65 spfpsol OUT Tr array IC ADF/RADF document
transport solenoid
control signal "H":ON
66 VCC_core Power
67 bias OUT Tr array IC DV bias control
signal. "H":ON
68 lden OUT Tr array IC Laser circuit control
signal. "H": Laser
circuit ON
69 GND_AC Power
70 MRPS1 OUT I/O ADF current control
71 MRPS2 OUT I/O ADF current control
72 MRPS3 OUT I/O ADF current control
73 CPFS1 OUT I/O 1st cassette pick up
solenoid
74 VCC_AC Power
75 CPFS2 OUT I/O 2nd cassette pick up
solenoid
76 pr OUT I/O Power relay control
77 hl OUT Tr array IC Heater lamp control
signal. "H":ON
78 GND_core Power
79 MPFS OUT I/O Multi-bypass solenoid
80 miron OUT Buffer IC ADF scanner select
signal
81 spfon OUT Buffer IC ADF ON signal
82 KEYSC1 OUT I/O Key sense control
83 KEYSC2 OUT I/O Key sense control
84 KEYSC3 OUT I/O Key sense control
85 IMC ready OUT I/O IMC control
86 VCC_core Power
87 tmx OUT Buffer IC Toner motor control
signal
88 tm OUT Buffer IC Toner motor control
signal
89 op_data OUT Tr array IC Operation circuit data
signal
90 ope_latch OUT Tr array IC Operation circuit latch
signal. Data take-in at
"L"
91 GND_AC Power
PIN
No.
Signal Name IN/OUT Connected to Description
e-STUDIO162_151.book 4 ページ ２００４年１２月２日 木曜日 午後９時３７分
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