4.3.1
48引脚LQFP和QFN封装引脚
表4-4 。
1
2
3
4
5
6
7
8
9
10
11
12
注意：
48引脚SAM3S4 / 2 / 1A引脚
ADVREF
GND
PB0/AD4
PB1/AD5
PB2/AD6
PB3/AD7
VDDIN
VDDOUT
13
14
15
16
17
18
19
20
21
22
23
24
VDDIO
PA16/PGMD4
PA15/PGMD3
PA14/PGMD2
PA13/PGMD1
VDDCORE
PA12/PGMD0
PA11/PGMM3
PA10/PGMM2
PA9/PGMM1
PA8/XOUT32/
PGMM0
PA7/XIN32/
PGMNVALID
25
26
27
28
29
30
31
32
33
34
35
36
TDI/PB4
PA6/PGMNOE
PA5/PGMRDY
PA4/PGMNCMD
NRST
TST
PA3
PA2/PGMEN2
VDDIO
GND
PA1/PGMEN1
PA0/PGMEN0
37
38
39
40
41
42
43
44
45
46
47
48
TDO / TRACESWO /
PB5
JTAGSEL
TMS/SWDIO/PB6
TCK/SWCLK/PB7
VDDCORE
ERASE/PB12
DDM/PB10
DDP/PB11
XOUT/PB8
XIN/PB9/PGMCK
VDDIO
VDDPLL
PA17/PGMD5/
AD0
PA18/PGMD6/
AD1
PA19/PGMD7/
AD2
PA20/AD3
QFN封装的底部焊盘必须被连接到地。
16
SAM3S摘要
6500AS–ATARM–11-Dec-09
