Pioneer PDP-5000EX Service Manual page 193

5
MB91305PMC-G-BND (FHD MAIN ASSY: IC5002)
• Main Microcomputer
Pin Function
No. Mark Pin Name
1 VCEE
2 VSS
3 VCCI
4 D24 DQ8
5 D25 DQ9
6 D26 DQ10
7 D27 DQ11
8 D28 DQ12
9 D29 DQ13
10 D30 DQ14
11 D31 DQ15
12 VCEE
13 VSS
14 VCCI
15 RDX OE
16 WR0X/DQMUU WE
17 WR1X/DQMUL/P30 FAN_CONT
18 CS0X/P31 CE
19 CS1X/P32 CE_IF
20 CS4X/P33 SP_MUTE
21 CS5X/P34 A_AMP_MUTE
22 CS6X/P35 PSW_DVI
23 CS7X/P36 NC
24 RDY/P37 BUSY_IC3
25 BGRNTX/P40 BUSY_IF
26 BRQ/P41 WE_IC3
27 SYSCLK/P42 WATCH_DOG
28 MCLKE/P43 PSW1
29 MCLK/P44 SD_DET
30 ASX/LBAX/SRASX/P45 RST_DVI
31 BAAX/SCASX/P46 WE_ROM
32 WRX/SWRX/P47 CE_IC3
33 VCEE
34 VSS
35 VCCI
36 A00 NC
37 A01 A0
38 A02 A1
39 A03 A2
40 A04 A3
41 A05 A4
42 A06 A5
43 A07 A6
44 A08 A7
45 A09 A8
5
6
I/O
−
Power supply (+3.3 V)
−
GND
−
Power supply (+1.8 V)
External data bus
External data bus
External data bus
External data bus
External data bus
External data bus
External data bus
External data bus
−
Power supply (+3.3 V)
−
GND
−
Power supply (+1.8 V)
O External bus read strobe output
O External bus write strobe output
O TP: FAN power SW (ON/OFF)
External bus chip enable
O 3-wires serial communication with the UIF microcomputer, enable old IF_CE
O Small signal system MUTE No DELAY time
O Mute for POWER AMP ON: no DELAY, OFF: Delay of about 400 msec
O Power SW for DVI
O
I 3-wires serial communication with the Carrera, busy old IC3_BUSY
I 3-wires serial communication with the UIF microcomputer, busy
O UART path SW for Carrera
O Pin for examination with TP
O Power SW1 (DCDC converter output mute)
O Pin for examination with TP
O DVI RST(When the function is STB, DVI exists.)
O EDID_ROM write protect for PC/HDMI
O 3-wires serial communication with the Carrera, enable old IC3_CE
−
Power supply (+3.3 V)
−
GND
−
Power supply (+1.8 V)
N.C. setting
External address bus
External address bus
External address bus
External address bus
External address bus
External address bus
External address bus
External address bus
External address bus
PDP-5000EX
6
7
Pin Function
7
8
A
Active
B
C
H
L
H
H
H
−
H
old IF_BUSY H
L D
−
L
−
H
H
L
E
F
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