Data Sheet

12

38 GPIO13
GPIO Mode : GPIO[13].
Host-to-Wi-Fi reset recovery
VDDIO I/O
39 GPIO14
GPIO Mode : GPIO[14].
Host-to-Chip wakeup
VDDIO I/O
40 NC40 Floating Pin, No connect to anything. --- Floating
41 UART_RTS UART_RTSn (active low) VDDIO O
42 UART_TX UART_SOUT VDDIO O
43 UART_RX UART_SIN VDDIO I
44 UART_CTS UART_CTSn(active low) VDDIO I
3. Electrical Characteristics
3.1 Absolute Maximum Ratings
Symbol Parameter Minimum Typical Maximum Unit
VDD33 DC supply for the 3.3V input - 3.3 3.96 V
VDDIO I/O power supply
- 3.3 4.0
V
- 1.8 2.2
3.2 Recommended Operating Conditions
Symbol Parameter Minimum Typical Maximum Unit
VDD33 DC supply for the 3.3V input
3.14 3.3 3.46 V
VDDIO
1.8V/3.3V digital I/O power
supply
2.97 3.3 3.47
V
1.62 1.8 1.98
3.3 Digital IO Pin DC Characteristics
3.3.1 1.8V Operation (VDDIO)
Symbol Parameter Minimum Typical Maximum Unit
V
IH
Input high voltage 0.7*VIO - VIO+0.4
V
V
IL
Input low voltage -0.4 - 0.3*VIO
V
OH
Output high voltage VIO-0.4 - -
V
OL
Output low voltage - - 0.4
V
HYS
Input Hysteresis 100
mV