4.2. Pin Description
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
Name
VDDA
DP
DM
VSSA
P4.3
P4.2
P4.1
VDD_PLL
PLL_CV
P3.0
/RXD
P3.1
/TXD
P3.2
/INT0
P3.3
/INT1
P3.4
/T0
/T0CKO
P3.5
/T1
P3.6
/INT2
P3.7
/INT3
P2.2
P2.3
VDD_IO
VDD_CORE
P1.0
/T2CKO
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
P0.0
P0.1
P0.2
P0.3
Type
P
I/O
I/O
P
I/O
I/O
I/O
P
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
P
P
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
Description
3.3V Analog Power
USB DP I/O.
USB DM I/O.
Analog Ground.
P4.3
P4.2
P4.1
Power input of PLL.
Reference for internal PLL.
P3.0 & Serial port RXD.
P3.1 & Serial port TXD.
P3.2 & External interrupt 0.
P3.3 & External interrupt 1.
P3.4, Timer 0 external input & Timer 0 clock output.
P3.5 & Timer 1 external input.
P3.6 & External interrupt 2.
P3.7 & External interrupt 3.
P2.2.
P2.3.
Digital power for I/O pads.
Digital power for I/O internal core logic.
P1.0 & Timer 2 clock output.
P1.1
P1.2.
P1.3.
P1.4.
P1.5.
P1.6.
P1.7.
P0.0 & Keypad input 0.
P0.1 & Keypad input 1.
P0.2 & Keypad input 2.
P0.3 & Keypad input 3.
8
MG84FL54B Data Sheet
MEGAWIN
MEGAWIN [ MEGAWIN TECHNOLOGY CO., LTD ]
