14
15
P10/DL_RX/UAR
T1_RXD
IO
General IO port or RXD downloaded by
UART for FLASH or RXD of serial port UART1
16
P11/DL_TX/UART
1_TXD
IO
General IO port or TXD downloaded by
UART for FLASH or TXD of serial port UART1
17
P1/UART2_RXD/I
2C2_SDA
IO
RXD of general IO port or serial port UART2
or SDA of I2C2
18
P20/I2C1_SCL/TC
K/F_SCK
IO
General-purpose IO port or SCL of I2C1 or
TCK of JTAG or Flash using SPI to download
the clock
19
P21/ADC6/I2C1_
SDA/TMS/
F_CSN
IO
General-purpose IO port or SDA of ADC6 or
I2C1 or TMS of JTAG or Flash when
downloading with SPI Chip select
20
P22/ADC5/CLK_2
6M/TDI/
TXEN/F_SI
IO
General IO port or ADC5 or crystal frequency
output or TDI of JTAG or set high when
transmitting or data input when Flash is
downloaded by SPI
21
P23/ADC3/TDO/
F_SO
IO
General-purpose IO port or ADC3 or JTAG
TDO or Flash data output when downloaded
with SPI
22
NC
-
empty pin
4.ELECTRICAL CHARACTERISTICS
Table2.
Electrical Characteristics
parameter
condition
min
type
max
unit
Maximum Soldering
Temperature
IPC/JEDEC J-STD-020
-
-
260
°C
Electrostatic discharge
(Human Body Model HBM)
TAMB=25°C
-
-
2.5
KV
Electrostatic discharge (MM) TAMB=25°C
-
-
0.25
KV
