DS_1x22_001
73M1822/73M1922 Data Sheet
2.3 73M1902 32-Pin QFN Pinout
Figure 4 shows the 73M1902 32-pin QFN pinout.
VND
GPIO5
1
2
3
4
5
6
7
8
VND
24
23
22
21
20
19
18
17
SCLK
GPIO4
INT/RGDT
LEV
VPD/VPPLL
OSCIN/MCLK
OSCOUT
VNPLL
73M1902
VPT/VPD
RST
PRP
VNA
PRM
Figure 4: 73M1902 32-Pin QFN Pinout
Table 3 describes the pin functions for the device. Decoupling capacitors on the power supplies should be
included for each pair of supply pins.
Table 3: 73M1902 32-Pin QFN Pin Definitions
Pin
Pin Name
Type
Description
Number
1
2
3
4
VND
GND
I/O
Negative digital ground
GPIO5
Configurable digital input/output pins
Configurable digital input/output pins
Positive digital/PLL supply
GPIO4
I/O
VPD/VPPLL
PWR
Crystal oscillator circuit input pin.
5
OSCIN/MCLK
I
Input from an external clock source.
Crystal frequency range supported is 9 MHz – 27 MHz.
6
OSCOUT
VNA/VNPLL
VNA/VNPLL
VBG
O
GND
GND
O
Crystal oscillator output pin. (N.C. with external oscillator)
Negative analog/PLL ground
7
8
Negative analog/PLL ground
9
Band gap voltage reference monitor
Call progress audio output
10
11
AOUT
O
TOUT
O
Digital test output
Type of frame sync. 0 = late (mode0), 1 = early (mode1).
Weak-pulled high – default = early.
12
13
TYPE
I
VPA/VPM
PWR
Positive analog supply
Rev. 1.6
11
TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
