Pioneer PDP-503PE, Руководство по обслуживанию

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PDP-503PE, PDP-503PU
92
No. Pin Name Function
51 UD10
Data bus
52 UD11 Data bus
53 VSS GND
54 UD12 Data bus
55 UD13 Data bus
56 UD14 Data bus
57 UD15 Data bus
58 VCC 3.3V power supply
59 D_TXD Communication with IC1207 (module microcomputer)
60 EXT_TXD Communication with the outside (program notes)
61 D_RXD Communication with IC1207 (module microcomputer)
62 EXT_RXD Communication with the outside (program notes)
63 D_CLK Communication with IC1207 (module microcomputer)
64 P60 NC terminal
65 VSS GND
66 CS_FLASH A flash memory control terminal
67 VSS GND
68 VSS GND
69 P61 NC terminal
70 UDREQ IC1703 (PE5064) control terminal
71 P63 NC terminal
72 WE_FLASH A flash memory note control signal (unused)
73 BUSY The command receipt of a message lye Norwich output
74 REQ_PU A communication demand to a module microcomputer
75 SEL23B IC1703 (PE5064) control terminal
76 CLRB IC1703 (PE5064) control terminal
77 FR_SEL The free run select signal output
78 RST31B The reset output to IC1301, IC1401 (PD6358)
79 RST23B The reset output to IC1703 (PE5064)
80 FWE Microcomputer program note control signal
81 RESET Reset input
82 NMI The at the rate of tang input (unused)
83 STBY The hardware standby input (unused)
84 VCC 3.3V power supply
85 XTAL A clock oscillation child connection terminal
86 EXTAL A clock oscillation child connection terminal
87 VSS GND
88 PF7 NC terminal
89 VCC 3.3V power supply
90 PF6 NC terminal
91 RDB A read control terminal from an outside slave device
92 HWRB A wright control terminal to an outside slave device
93 PF3 NC terminal
94 PF2 NC terminal
95 PF1 NC terminal
96 PF0 NC terminal
97 P50 NC terminal
98 P51 NC terminal
99 VSS GND
100 VSS GND