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UPD78F4216AGC(IC671):UNIT CPU
1.Pin layout
75
~
51
76
50
100
26
1
~
25
2.Pin function
Pin No.
Symbol
1~8
9
VDD
10
X2
11
X1
12
VSS
13
XT2
14
XT1
15
RESET
16
AUTODATA
17
LOCK
18
DIGITAL0
19
FORMAT
20
CHANNEL
21
ERR
22
RSTDET
23
AVDD
24
AVREF0
25~32
33
AVSS
34,35
36
37,38
RX,TX
39
40
DSPCOM
41
DSPSTS
42
DSPCLK
43
DSPRDY
44
45,46
MIDIO_IN/OUT
47
MICK
48
MICS
49
MILP
50
MIACK
51,52
53
DSPRST
54~63
64,65
CDTI/CDTO
66
CCLK
67
CS
68
XTS
69,70
71
PD
72
GND
73~80
81
VDD
82
3D-ON
83
3D-ON
84
ANA/T-TONE
85
REF-MIX
86
87
D.MUTE
88
S.MUTE
89
90~93
ASW1~4
94
TEST
95~100
I/O
-
Non connect
-
Power supply terminal
O
Connecting the crystal oscillator for system main clock
I
Connecting the crystal oscillator for system main clock
-
Connect to GND
O
Connecting the crystal oscillator for system sub clock
I
Connecting the crystal oscillator for system sub clock
I
System reset signal input
I
Output of DSP to general-purpose port
I
Output of DSP to general-purpose port
I
Output of DSP to general-purpose port
I
Output of DSP to general-purpose port
I
Output of DSP to general-purpose port
I
Output of DSP to general-purpose port
I
Reset signal input
-
Power supply terminal
-
Connect to GND
-
Connect to GND
-
Connect to GND
-
Non connect
-
Power supply terminal
-
Not use
-
Non connect
I
Communication port from IC401
O
Status communication port to IC401
I
Clock input from IC401
I
Ready signal input from IC401
-
Non connect
I/O
Interface I/O terminal with microcomputer
O
Interface I/O terminal with microcomputer of clock signal
O
Interface I/O terminal with microcomputer of chip select
O
Interface I/O termonal with microcomputer
O
Interface I/O termonal with microcomputer
-
Non connect
O
Reset signal output of DSP
-
Non connect
I/O
Interface I/O terminal with microcomputer
O
Interface I/O terminal with microcomputer of clock signal
O
Interface I/O terminal with microcomputer of chip select
O
OSC Select
-
Non connect
O
Reset signal output
-
Connect to GND
-
Non connect
-
Power supply
-
Non connect
O
Switch at output destination of surround channel
O
Test tone control
O
Control at output destination of LFE channel
-
Non connect
O
Mute of the digital out terminal is controlled
O
Mute of the audio signal is controlled
-
Non connect
O
Selection of digital input selector
-
Test terminal
-
Non connect
Function
RX-7001PGD
1-27
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