Integra NAC-2.3, Руководство по обслуживанию, Страница: 32 / 44

NAC-2.3
DESCRIPTION OF MAIN MICROPROCESSOR - 1
Q7001, M30624FGAFP
No. Symbol I/O Act. Description (Function)
1 OSDDA O H Data of OSD communication
2 OSDCL O CLK Clock of OSD communication
3 ~OSDCS O L To select OSD communication
4,5 - O -
6 ~IRIN I L Inflared signal from rear panel (IR IN)
7 ~IRMAIN I L Inflared signal from front panel
8 BYTE I H VSS
9 CNVSS I H Change of prosessor mode
10,11 - O -
12 ~RESET I L Reset
13 XOUT O Crystal oscillator, connect to 16MHz oscillator
14 VSS GND
15 XIN I Crystal oscillator, connect to 16MHz oscillator
16 VCC Power supply, 5V
17 ~NMI I L -
18 - O -
19 RDSCLK I CLK RDS clock
20 ~POFF I L Detect power failure
21~24 - O -
25 STBLED O H STANDBY LED
26 - O -
27 ~FLPOWER O L Control of FL power supply
28 ~FLTEST O L FL tube test
29 RTCSCL O CLK Clock of RTC IC
30 RTCSDA I/O H Data of RTC IC
31~34 - O -
35 NETTX O L Communication of network microprocessor
36 NETRX I L Communication of network microprocessor
37 - O -
38 ~ETPOWER O L Control of power supply for ETHER IC
39 ~DITPD O L DIT power down
40 ~DITCS O L To select DIT
41 (~EPM) I L Connect to VSS
42 - O -
43 XPOR O L EP7312 reset
44 ~DARST O L DAC reset
45 DACS O L To select DAC
46 (~CE) I L Connect to Vcc
47 DIGCL O CLK Common clock of DIT/DAC
48 DAMUT O L Muting of DAC
49 DIGDO O H Common data of DIT/DAC
50~54 - O -
55 VOLDA O H Serial data of TC9412 volume IC
56 VOLCL O CLK Serial clock of TC9412 volume IC