Data Sheet

FMB110 Datasheet Ver.1.0
-9-
21
SPK_LP
Analog
Headphone/speaker differential right
output, positive.
22
MIC_GND
Microphone ground
Ground of microphone
23
MIC_BIAS
Mic bias output
Mic bias output
24
MIC_N
Analog
Microphone differential input,
negative
25
MIC_P
Analog
Microphone differential input,
positive
26
PIO2/UART_TX
Digital bidirectional with programable
strength internal pull-up/pull-down
Programmable IO 2, weak pull down
when reset.
Alternative function:
■ UART TX
27
AIO5/LED5
Analog or digital input/open drain
output
General purpose analog/digital input
or open drain LED output 5.
28
GND
Ground
Ground
Table 2: Pinout Definitions
2 Electrical Characteristics
2.1 Absolute Maximum Rating
Table 3: Absolute Maximum Rating
2.2 Recommended Operating Conditions
Operating Condition
Min
Typ
Max
Unit
Operating Temperature Range*
-40
--
+85
°C
Rating
Min
Max
Unit
Storage Temperature
-40
+85
°C
VBUS Voltage
-0.4
7.0
V
USB_DP/USB_DN Voltage
-0.4
3.8
V
VDD Voltage
-0.4
3.8
V
VCC_RF Voltage
-0.3
3.6
V
PIO Voltage
-0.4
3.8
V
LED Voltage
-0.4
7.0
V
AIO Voltage
-0.4
2.1
V