73M1866B/73M1966B Data Sheet
DS_1x66B_001
2.5 73M1866B Pinout
Figure 6 shows the 73M1866B 42-pin pinout.
31
30
29
28
DCD
TXM
RXM
1
DX
RXP
VPS
2
27
26
25
24
VPD
3
4
5
FS
PCLKO
VNA
VNS
ACS
73M1866B
VBG
SRB
SRE
6
23
22
PCLKI
AOUT
VPA
7
8
9
VNT
10
PRM
Figure 6: 73M1866B 42-Pin Pinout
Table 5 describes the pin functions for the device. Decoupling capacitors on the power supplies should
be included for each pair of supply pins.
Table 5: 73M1866B Pin Definitions
Pin
Number
Pin Name
Type
Description
DX
1
O
PCM received data from the A to D
2
VPD
PWR Positive digital supply
3
I/O
O
PCM frame synchronization
PCM clock output
FS
4
PCLKO
VNA
PCLKI
AOUT
VPA
VNT
5
GND Negative analog ground
6
I
PCM clock in
7
O
Audio output – must be buffered for speaker
8
PWR Positive analog supply
9
GND Negative transformer supply
PRM
PRP
VPT
10
11
12
13
14
15
16
I/O
I/O
Transformer primary minus
Transformer primary plus
PWR Positive transformer supply
RST
I
Hardware reset (active low)
SPI data out for daisy-chain mode
SPI data in
SDIT
SDI
O
I
SDO
O
SPI data out
14
Rev. 1.6
TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
