参数资料
型号: IA88C00
厂商: Innovasic Semiconductor
英文描述: Microcontroller
中文描述: 微控制器
文件页数: 41/80页
文件大小: 707K
代理商: IA88C00
IA88C00
Microcontroller
Data Sheet
As of Production Version -01
Copyright
2005 ENG 21 0 050519-00 www.Innovasic
Innovasic.com
Innovasic Semiconductor
Page 41 of 80 1.888.824.4184
Figure 42. Port 2/3 B Mode Register, R249 Bank 0
Bit
7
D7
0
W/O
6
D6
0
W/O
5
D5
0
W/O
4
D4
0
W/O
3
D3
0
W/O
2
D2
0
W/O
1
D1
0
W/O
0
D0
0
W/O
Initial Value
Read/Write
The Port 2/3 A Mode, Port 2/3 B Mode, Port 2/3 C Mode and Port 2/3 D Mode registers control the
modes of Ports 2 and 3. A separate 2-bit field for each of the bits of Ports 2 and 3 configures the bit as
input or output. The field also controls whether the bit is enabled as an external interrupt source and
selects the oputpus as open-drain or push-pull.
Figure 43. Port 2/3 C Mode Register, R250 Bank 0
Bit
7
D7
0
W/O
6
D6
0
W/O
5
D5
0
W/O
4
D4
0
W/O
3
D3
0
W/O
2
D2
0
W/O
1
D1
0
W/O
0
D0
0
W/O
Initial Value
Read/Write
The Port 2/3 A Mode, Port 2/3 B Mode, Port 2/3 C Mode and Port 2/3 D Mode registers control the
modes of Ports 2 and 3. A separate 2-bit field for each of the bits of Ports 2 and 3 configures the bit as
input or output. The field also controls whether the bit is enabled as an external interrupt source and
selects the oputpus as open-drain or push-pull.
Figure 44. Port 2/3 D Mode Register, R251 Bank 0
Bit
7
D7
0
W/O
6
D6
0
W/O
5
D5
0
W/O
4
D4
0
W/O
3
D3
0
W/O
2
D2
0
W/O
1
D1
0
W/O
0
D0
0
W/O
Initial Value
Read/Write
The Port 2/3 A Mode, Port 2/3 B Mode, Port 2/3 C Mode and Port 2/3 D Mode registers control the
modes of Ports 2 and 3. A separate 2-bit field for each of the bits of Ports 2 and 3 configures the bit as
input or output. The field also controls whether the bit is enabled as an external interrupt source and
selects the oputpus as open-drain or push-pull.
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