Product Manual
WB8P Datesheet
8
Pin No.
Symbol
I/O Type
Function
the flash memory, which is used for module
production and firmware burning and is
connected to the P23 or ADC3 pin on the
internal IC
TP4
SI
I/O
Data input pin when data is downloaded from
the flash memory, which is used for module
production and firmware burning and is
connected to the P22 pin on the internal IC
TP3
CS
I/O
Chip selection pin when data is downloaded
from the flash memory, which is used for
module production and firmware burning and is
connected to the P21 pin on the internal IC
TP2
SCK
I/O
Clock pin when data is downloaded from the
flash memory, which is used for module
production and firmware burning and is
connected to the P20 pin on the internal IC
TP6
TXD2
I/O
UART2_TXD, which is used for displaying the
module internal information and is connected to
the P0 pin on the internal IC
TP7
RXD2
I/O
UART2_TXD, which is used for displaying the
module internal information and is connected to
the P0 pin on the internal IC
TP8
CEN
I/O
Chip enabling pin, which is active at a low level
and is connected to the CEN pin on the internal
IC
Note: Test pins are not recommended.
3 Electrical Parameters
3.1 Absolute Electrical Parameters
Table 3-1 Absolute electrical parameters
Parameter
Description
Minimum
Value
Maximum
Value
Unit
Ts
Storage
temperature
–20
150
°C
VCC
Power supply
voltage
3.0
3.6
V