参数资料
型号: AT91SAM9X25-EK
厂商: Atmel
文件页数: 37/95页
文件大小: 0K
描述: KIT EVAL FOR AT91SAM9G25
标准包装: 1
系列: AT91SAM
类型: MCU
适用于相关产品: AT91SAM9X25
所含物品: 板,线缆,电源
Evaluation Kit Hardware
There is another 3.3V rail, VDDNF, supplied from the CM board. VDDNF is set to 3.3V in the current CM
design. The processors also support a 1.8V NAND Flash device, in which case VDDNF is set to 1.8V. In
order to avoid potential voltage conflict on user-defined applications, a level shifter is inserted between
the PIO lines on VDDNF rail and the 3.3V application.
Figure 4-19. Level Shifter For VDDNF Rail
VDDNF
MN18
3V3
C118 100n
PD17
PD16
PD20
PD19
PD18
1
2
3
4
5
6
7
8
9
10
11
12
VCCA VCCB1
DIR VCCB2
A1 OE
A2 B1
A3 B2
A4 B3
A5 B4
A6 B5
A7 B6
A8 B7
GND1 B8
GND2 GND3
24
23
22
21
20
19
18
17
16
15
14
13
C119 100n
EN5V_HDC#
EN5V_HDB#
EN5V_HDA#
ZB_SLPTR
ZB_RSTN
SN74AVC8T245PWR
4.3.3.3
JTAG/ICE
Software debug is accessed by a standard 20-pin JTAG connection. This allows connection to a stan-
dard USB-to-JTAG in-circuit emulator such as SAM-ICE ? .
Figure 4-20. JTAG Interface
VDDIOP0
VDDIOP0
VDDIOP0
R46
R47
R48
R49
2
4
6
8
10
12
14
16
18
J9
1
3
5
7
9
11
13
15
17
100k 100k
DNP DNP
R54
100k 100k
DNP DNP
0R
R50
R51
DNP
0R
0R
NTRST
TDI
TMS
TCK
RTCK
TDO
NRST
NTRST
TDI
TMS
TCK
RTCK
TDO
NRST
20
19
R58
4-26
11115A–ATARM–27-Jul-11
BR20-H
0R
DNP
Evaluation Kit (EK) User Guide
相关PDF资料
PDF描述
AT91SAM9G25-EK KIT EVAL FOR AT91SAM9G25
V300C15C75BG3 CONVERTER MOD DC/DC 15V 75W
AIUR-06-332K INDUCTOR POWER 3300UH 10% T/H
AFK227M63H32T-F CAP ALUM 220UF 63V 20% SMD
V300C15C75BG2 CONVERTER MOD DC/DC 15V 75W
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