Atmel Xplained Evaluation Board AT32UC3A3-XPLD AT32UC3A3-XPLD 数据表
产品代码
AT32UC3A3-XPLD
877
32072H–AVR32–10/2012
AT32UC3A3
32.7.1
Command register
Name :
CMD
Access Type :
Read/Write
Offset :
0x00
Reset Value :
0x00000000
•
TPC : Transfer Protocol Code.
TPC[3] indicates the transfer direction of data (1:write packet, 0:read packet)
•
DSL : Data Select.
0 : Data is transmitted to and received from Memory Stick using the internal FIFO.
31
30
29
28
27
26
25
24
-
-
-
-
-
-
-
-
23
22
21
20
19
18
17
16
-
-
-
-
-
-
-
-
15
14
13
12
11
10
9
8
TPC
-
DSL
DSZ
7
6
5
4
3
2
1
0
DSZ
code (dec)
TPC
Description
2
READ_LONG_DATA
Transfer data from Data Buffer (512 bytes)
3
READ_SHORT_DATA
Transfer data from Data Buffer (32~256 bytes)
4
READ_REG
Read from a register
7
GET_INT
Read from an INT register
8
SET_R/W_REG_ADRS
Set an address of READ_REG/WRITE_REG
9
EX_SET_CMD
Set command and parameters
11
WRITE_REG
Write to a register
12
WRITE_SHORT_DATA
Transfer data to Data Buffer (32~256 bytes)
13
WRITE_LONG_DATA
Transfer data to Data Buffer (512 bytes)
14
SET_CMD
Set command
other
-
Banned for use