Specifications

PA9、PA10
PB1、PB3
PB8~PB10
PC2~PC5
2、USBDM & USBDP
default pull down
3、PB0, PB2, PB5 can
pull-up resistance to
5V
4、internal
pull-up/pull-down
resistance | accuracy
±20%
5、PRx supply by
RTCVDD
PB11
PC7
Output 0
8mA
24mA
10K
10K
Output 1
8mA
64mA
PB0
、
PB2
PB5
8mA
10K
10K
USBDP
4mA
-
1.5K
15K
USBDM
4mA
-
180K
15K
4.4 DAC
Parameter
Min
Typ
Max
Unit
Test Conditions
Frequency
Response
20
-
20K
Hz
1KHz/0dB
10Kohm loading
With A-Weighted
Filter
THD+N
-
-75
-
dB
S/N
-
95
-
dB
Crosstalk
-
-90
-
dB
Output Swing
-
1
-
Vrms
Dynamic
Range
-
90
-
dB
1KHz/-60dB
10Kohm loading
With A-Weighted
Filter
DAC Output
Power
11
-
-
mW
32ohm loading
5 RF parameters
5.1 Transmitter
Parameter
Min
Typ
Max
Unit
Test Conditions
RF Power Control Range
-1.01
dBm
20dB Bandwidth
1246
KHz
-
-
-
-