参数资料
型号: 5962R0722402VYC
厂商: ATMEL CORP
元件分类: 微控制器/微处理器
英文描述: SPECIALTY MICROPROCESSOR CIRCUIT, PQFP256
封装: QFP-256
文件页数: 10/155页
文件大小: 4139K
代理商: 5962R0722402VYC
AT697F PRELIMINARY INFORMATION
107
7703D–AERO–12/09
PR
ELI
MINA
R
Y
IN
FOR
M
AT
IO
N
General Purpose
Interface Registers
Table 84. I/O Port Data Register - IODAT
Address = 0x800000A0
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
meddat[7:0]
lowdat[7:0]
iodata[15:0]
r/w
xxxx xxxx
xxxx xxxx xxxx xxxx
Bit Number
Mnemonic
Description
15..0
iodata[15:0]
I/O port data
23..16
meddat[7:0]
Meddium Data
Corresponding to the data D[15:8]
31..24
lowdat[7:0]
Low Data
Corresponding to the data D[7:0]
when read, returns the current value of the I/O port;
when written, value is driven on the I/O port signals (if enabled as Output )
Table 85. I/O Port Direction Register - IODIR
Address = 0x800000A4
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
reserved
meddir
lowdir
iodir[15:0]
r/w
r/w r/w
r/w
xxxx xxxx xxxx xx
00 0000 0000 0000 0000
Bit Number
Mnemonic
Description
17
meddir
Defines the direction of D[15..8]
16
lowdir
Defines the direction of D[7..0]
15..0
iodir[15:0]
I/O port direction
Defines the direction of I/O ports 15 - 0.
‘1’ = output
‘0’ = input
Table 86. I/O Port Interrupt Register - IOIT1
Address = 0x800000A8
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
en3
le3
pl3
isel3[4:0]
en2
le2
pl2
isel2[4:0]
en1
le1
pl1
isel1[4:0]
en0
le0
pl0
isel0[4:0]
r/w r/w r/w
r/w
r/w r/w r/w
r/w
r/w r/w r/w
r/w
r/w r/w r/w
r/w
0
x
x xxxx
0
x
x xxxx
0
x
x xxxx
0
x
x xxxx
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