CVP-105
17
1
D2
I/O
Data Bus
17
TXRDY
O
character data
2
D3
I/O
Data Bus
18
SYNDET/BD
I/O
character data
3
RXD
I
Serial Data
19
/CTS
I
input terminal for modem interface
4
NC
20
NC
5
GND
Ground
21
TXEMPTY
O
character data
6
D4
I/O
Data Bus
22
TXD
O
character data
7
D5
I/O
Data Bus
23
CLK
I
Clock
8
D6
I/O
Data Bus
24
RESET
I
Reset
9
D7
I/O
Data Bus
25
/DSR
I
input port for modem interface
port for modem interface
10
/TXC
I
Clock
26
/RTS
O
output
port for modem interface
output
11
/WR
I
Write signal
27
/DTR
O
12
/CS
I
Device select
28
/RXC
I
Clock
13
NC
29
NC
14
C//D
I
Access select signal
30
VCC
I
Power supply
15
/RD
I
Read signal
31
D0
I/O
Data Bus
16
RXRDY
O
character data
32
D1
I/O
Data Bus
MSM82C51A-2GS-K (XV513A00)
USART (Universal Synchronous Asynchronous receiver Transmitter)
PIN
NO.
NAME
I/O
FUNCTION
PIN
NO.
NAME
I/O
FUNCTION
DM : IC400
1
LRCK
I
15
Vcc1
-
Analog power supply (+5 V)
2
DATA
I
Data input
16
VOUTL
O
Lch, analog voltage output
3
BCK
I
Bit clock
17
NC
-
4
CLKO
O
Clock input
18
EXTL
O
Lch, analog output
5
XTI
I
Clock input
19
AGND2L
-
Analog ground
6
XTO
O
Clock out
20
Vcc2L
-
Analog power supply (+5 V)
7
DGND
-
Digital ground
21
/ZERO
O
Zero data flag
8
VDD
-
Digital power supply (+5 V)
22
/RST
I
Reset
9
Vcc2R
-
Analog power supply (+5 V)
23
/CS/IWO
I
Chip select
10
AGND2R
-
Analog ground
24
MODE
I
Mode control select
(H: Software, L: Hardware)
11
EXTR
O
Rch, analog output
25
/MUTE
I
Mute control
12
NC
-
26
MD/DM0
I
Mode control data/De-emphasis select1
Mode control BCK/De-emphasis select2
Mode control Latch/input format select
13
VOUTR
O
Rch, analog voltage output
27
MC/DM1
I
14
AGND1
-
Analog ground
28
ML/IIS
I
PCM1716E (XU829A00) DAC (Digital to Analog Converter)
PIN
NO.
NAME
I/O
FUNCTION
PIN
NO.
NAME
I/O
FUNCTION
DM : IC800