Integra DTR-7.6 Series Service Manual page 32

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3 7 63 1515 0
IC BLOCK DIAGRAMS AND DESCRIPTIONS(XM radio only)
TPS2012AD/MAX1930ESA(POWER-DISTRIBUTION)
1 8
1
GND
OUT
2 IN 7
2,3
OUT
3 IN 6
4
OUT
4 EN 5
5~8
OUT
M30281FAHP(XM MICROPROCESSOR)
1 P91
2 P90
3 CNVSS
4 P87
5 P86
6 RESET
7 XOUT
CRYSTAL
8 VSS
OSC.
9 XIN
20MHz
10 VCC
11 P85
12 P84
13 P83
14 P82
15 P81
16 P80
TE
L 13942296513
No. PIN NAME
3 Cnvss
5 FW_CE
6 ~RESET
7 Xout
8 Vss
9 Xin
10 Vcc
20 MHREQ
21 MSREQ
22 MCLK
23 MSDI
24 MSDO
25 FW_TXD
26 FW_RXD
27 FW_SCLK
28 FW_BUSY
29 DACSDO
30 DACRESET
31 DACCS
32 DACCLK
33 XMSDO
34 XMSDI
43 XM_COM_SEL
44 XM_RESET
45 XM_ERR_IRQ
46 FW_P16
48 XM_PWR_CTRL
59 AVSS
61 Vref
62 AVcc
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EN Enable input. Logic low turns power switch on.
IN Input voltage
GND Ground
OUT Power switch output
48
P03
47
P15
46
P16
45
P17
44
P20
43
P21
42
P22
Q7001
41
P23
40
P24
39
P25
M30281FAHP
38
P26
37
P27
36
P60
35
P61
34
P62
33
P63
I/O DESCRIPTION
Connect to Vcc.
I Port for writing flash.
I Reset input
Connect to the crystal oscillator.
Ground for power supply
Connect to the crystal oscillator.
Power supply Vcc
I Request signal to transfer the serial data from main microprocessor. (System)
O Request signal to transfer the serial data to main microprocessor. (Local)
I Serial clock input from main microprocessor.
I Serial data input from main microprocessor.
O Serial data output to main microprocessor.
O Port for writing flash.
I Port for writing flash.
I Port for writing flash.
O Port for writing flash.
O Serial data output for DAC.
O Reset output for DAC.
O Serial communication chip select for DAC.
O Serial communication clock for DAC.
O Serial data output for XM IC.
I Serial data input for XM IC.
O Command select output for XM IC.
O Reset output for XM IC.
I Error interrupt request line for XM IC.
I Port for writing flash.
O Power supply control for XM IC.
Ground for A/D converter.
Reference power supply for A/D converter.
Power supply for A/D converter.
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8
XM_PWR_CTRL
XM_ERR_IRQ
XM_RESET
XM_COM_SEL
XMSDI_L
XMSDO_L
Q Q
3 6 7 1 3
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2 9 9 4 2 8
1 5 0 5 8 2 9 9 4
m
co
DTR-7.6
9 9
2 8 9 9