DS_1x66B_001
73M1866B/73M1966B Data Sheet
Pin
Number
Pin Name
Type
Description
Transformer primary minus
17
18
19
20
21
22
23
24
PRM
PRP
VPT
VPD
RST
SDIT
SDI
I/O
I/O
Transformer primary plus
Positive transformer supply
Positive digital supply
PWR
PWR
I
Hardware reset (active low)
O
SPI data out for daisy-chain mode
SPI data in
I
SDO
O
SPI data out
I/O
Configurable input/output pin
Negative digital ground
Interrupt / ring detect (active low – open drain)
SPI clock
25
26
27
28
29
30
31
32
GPIO5
VND
INT
GND
O
I
SCLK
CS
VPD
DR
I
PWR
I
SPI chip select (active low)
Positive digital supply
PCM transmit data sent to the D to A
Configurable input/output pin
GPIO6
I/O
Rev. 1.6
11
TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
