28
MG166CX-USB/MG166CX/MG166C-USB/MG166C
Address bus
(Unused)
Address bus
Address bus
Chip enable
Ground
Output enable
Data bus
Power 3.3 V
Data bus
Data bus / LSB address
Ground
Word/byte mode selection
Address bus
FUNCTION
•
MX23L8103TC-90G
(X5922A00)
CPU
DSP: ICM10
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
A15
A14
A13
A12
A11
A10
A9
A8
(N.C.)
(N.C.)
(N.C.)
(N.C.)
(N.C.)
(N.C.)
(N.C.)
A18
A17
A7
A6
A5
A4
A3
A2
A1
I
I
I
I
I
I
I
I
-
-
-
-
-
-
-
I
I
I
I
I
I
I
I
I
PIN
No.
NAME
I/O
PIN
No.
NAME
I/O
FUNCTION
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
A0
CE#
VSS
OE#
D0
D8
D1
D9
D2
D10
D3
D11
VCC
D4
D12
D5
D13
D6
D14
D7
D15/A-1
VSS
BYTE#
A16
I
I
-
I
O
O
O
O
O
O
O
O
-
O
O
O
O
O
O
O
I/O
-
-
I
USB differential input/output plus
USB differential input/output minus
Connect to USB power (VBUS)
Digital ground for USB transceiver
HID key state input(mute), active high
HID key state input(volume up),active high
HID key state input(volume down),active high
Must be set to high
Must be set to high
Internal analog power supply for codec
Analog ground for codec
ADC analog input for L-channel
ADC analog input for R-channel
Common for ADC/DAC(VCCCI/2)
DAC analog output for R-channel
DAC analog output for L-channel
Internal analog power supply for PLL
Analog ground for PLL
Internal analog power supply for PLL
Crystal oscillator output
Crystal oscillator input
Analog ground for oscillator
Internal analog power supply for oscillator
Test pin, must be connected to GND
Test pin, must be left open
Digital gronud
Internal digital power supply
Suspend flag, active low
(Low: suspend, High: operational)
FUNCTION
•
PCM2900E/2K
(X7143A00)
CODEC
USB: IC101
1
2
3
4
5
6
7
8
9
10
11
12
13
14
D+
D-
VBUS
DGNDU
HID0
HID1
HID2
SEL0
SEL1
VCCCI
AGNDC
VINL
VINR
VCOM
I/O
I/O
-
-
I
I
I
I
I
-
-
I
I
-
PIN
No.
NAME
I/O
PIN
No.
NAME
I/O
FUNCTION
15
16
17
18
19
20
21
22
23
24
25
26
27
28
VOUTR
VOUTL
VCCP1I
AGNDP
VCCP2I
XTO
XTI
AGNDX
VCCXI
TEST0
TEST1
DGND
VDDI
SSPND
O
O
-
-
-
O
I
-
-
I
O
-
-
O
