Pin
No.
Terminal
Name
I/O Function
1 DSP_BDX0 O DSP transmitting data
2
DSP_BCLKX0
O DSP transmitting clock
3
DSP_BFSX0
I/O Not used. (’H’)
4 DSP_BDR0 I Not used. (’H’)
5
DSP_BCLKR0
I/O Not used. (’H’)
6
DSP_BFSR0
O DSP LR selection (LR
clock input for PCM1734
and TC9271)
7 DV
DD
1 P Power supply
8
DSP_CLKS0
O DSP clock input
9 DGND1 P DE
10 RXD0 I UI microcomputer
receiving data
11 TXD0 O UI microcomputer
transmitting data
12 RXD1 I MD DSC25 receiving data
13 TXD1 O MD DSC25 transmitting
data
14 SCLK0 O UI microcomputer
communication clock
(reserve)
15 SDI0 I UI microcomputer
receiving data (reserve)
16 SDO0 O UI microcomputer
transmitting data (reserve)
17 SCLK1 O DAC setup (PCM1734 MC)
18 SDI1 I Not used. (’H’)
19 SDO1 O DAC setup (PCM1734 MD)
20 GIO31 O DAC setup (PCM1734 ML)
21 GIO30 I/O For soft debugging (“H”)
22 GIO29 I/O MD DSC25 communication
DT9
23 GIO28 I/O MD DSC25 communication
DT8
24 CV
DD
1 P Power supply
25 CGND1 P DE
26 GIO27 I CD shutter closing
27 GIO26 I CD shutter opening
28 GIO25 I/O CD shutter motor control
29 GIO24 I/O UI microcomputer BUSY
signal
49