参数资料
型号: IA88C00-PLC68I-R-01
厂商: Innovasic Semiconductor
文件页数: 35/80页
文件大小: 0K
描述: IC MCU 8BIT 20MHZ 68PLCC
标准包装: 285
芯体尺寸: 8-位
速度: 20MHz
连通性: EBI/EMI,UART/USART
外围设备: DMA,WDT
输入/输出数: 32
程序存储器类型: 外部程序存储器
电压 - 电源 (Vcc/Vdd): 4.5 V ~ 5.5 V
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 68-LCC(J 形引线)
包装: 管件
IA88C00
Data Sheet
Microcontroller
As of Production Version -01
Copyright 2005
ENG 21 0 050519-00
www.Innovasic
Innovasic.com
Innovasic Semiconductor
Page 40 of 80
1.888.824.4184
Figure 39. Port 4 Open-Drain (P4OD), R247 Bank 0
Bit
7
6
5
4
3
2
1
0
D7
D6
D5
D4
D3
D2
D1
D0
Initial Value
0
Read/Write
?
The Port 4 Open-Drain register defines the output driver type for Port 4. If a bit of Port 4 has been
configured as an output and the corresponding bit in the Port 4 Open-Drain register is a 1, the Port 4 bit
will have an open-drain output driver. If it is a 0, the Port 4 bit will have a push-pull output driver. If the
bit of Port 4 has been configured as an input, the corresponding bit is the Port 4 Open-Drain register has
no effect.
Figure 40. Port 4 Open-Drain (P4OD), R247 Bank 0
Bit
7
6
5
4
3
2
1
0
D7
D6
D5
D4
D3
D2
D1
D0
Initial Value
0
Read/Write
W/O
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 41. Port 2/3 A Mode Register, R248 Bank 0
Bit
7
6
5
4
3
2
1
0
D7
D6
D5
D4
D3
D2
D1
D0
Initial Value
0
Read/Write
W/O
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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