Onkyo TX-NR906 Service Manual page 140

IC BLOCK DIAGRAMS AND TERMINAL DESCRIPTIONS -73
Q206: ENVY24MT (PCI Multi-channel Audio Controller)
BLOCK DIAGRAM
DAC/Codec S/PDIF
Out
2
I S
IEC958 Out
or
AC-Link Out
2x24b ch.
2x24b ch.
PDMAx
PDMAi
PIN CONFIGURATION
MTEST[0]
MTEST[1]
MTEST[2]
MTEST[3]
PSDOUT[1]
SPMCLKIN
SPMCLKOUT
ADC/Codec
DAC
or S/PDIF In
2
I S
2
I S Out
or
AC-Link In
2x24b ch.
PDMA4
RDMA0
PCI 2.2 Bus Master BIU with Burst Mode
MTNC 97
MTNC
98
99
GND 100
101
NC 102
103
104
PRST# 105
106
SPDIN
107
GND 108
SPSYNC 109
SPSCLK 110
111
112
INTA# 113
RST# 114
VCC 115
GND 116
PCICLK 117
GNT# 118
119
REQ#
AD31 120
AD30 121
VCC 122
AD29 123
AD28 124
AD27 125
AD26 126
AD25 127
GND 128
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ADC or S/PDIF In
2
I S In
2x24b ch.
RX1 TX1
MPU-401
RDMA1
PCI BUS
M T
VT1720T
TX-NR906/NA906
SD GPIO
I²C/E²PROM 16 pins
PORT GPIO
UART
64 GND_X1
VCC_X2
63
62 XOUT2
61 XIN2
60 GND_X2
59 GPIO7
58 GPIO6
57 GPIO5
56 GPIO4
55
GND
VCC
54
53 GPIO3
GPIO2
52
51 GPIO1
GPIO0
50
49 AD0
48 AD1
47 AD2
46 GND
45 VCC
AD3
44
43 AD4
42 AD5
41 AD6
AD7
40
39 GND
38 VCC
37 CBE0#
36 AD8
35 AD9
AD10
34
33 GND