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| 型号： | SAB80C517-N-T40 |
| 厂商： | INFINEON TECHNOLOGIES AG |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, MROM, 12 MHz, MICROCONTROLLER, PQCC84 |
| 封装： | PLASTIC, LCC-84 |
| 文件页数： | 31/61页 |
| 文件大小： | 1054K |
| 代理商： | SAB80C517-N-T40 |
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SAB 80C517/80C537
Semiconductor Group
36
I/O Ports
The SAB 80C517 has seven 8-bit I/O ports and two input ports (8-bit and 4-bit wide).
Port 0 is an open-drain bidirectional I/O port, while ports 1 to 6 are quasi-bidirectional I/O ports
with internal pull-up resistors. That means, when configured as inputs, ports 1 to 6 will be pulled
high and will source current when externally pulled low. Port 0 will float when configured as
input.
Port 0 and port 2 can be used to expand the program and data memory externally. During an
access to external memory, port 0 emits the low-order address byte and reads/writes the data
byte, while port 2 emits the high-order address byte. In this function, port 0 is not an open-drain
port, but uses a strong internal pullup FET. Port 1, 3, 4, 5 and port 6 provide several alternate
functions. Please see the "Pin Description" for details.
Port pins show the information written to the port latches, when used as general purpose port.
When an alternate function is used, the port pin is controlled by the respective peripheral unit.
Therefore the port latch must contain a "one" for that function to operate. The same applies
when the port pins are used as inputs. Ports 1, 3, 4 and 5 are bit- addressable.
The SAB 80C517 has two dual-purpose input ports. The twelve port lines at port 7 and port 8
can be used as analog inputs for the A/D converter. If input voltages at P7 and P8 meet the
specified digital input levels (VIL and VIH) the port can also be used as digital input port.
相关PDF资料 |
PDF描述 |
|---|---|
| SAB80C517-M | 8-BIT, MROM, 12 MHz, MICROCONTROLLER, PQFP100 |
| SAF-C505C-2RM | 8-BIT, MROM, 20 MHz, MICROCONTROLLER, PQFP44 |
| SAB-C504-2R24M | 8-BIT, MROM, 24 MHz, MICROCONTROLLER, PQFP44 |
| SAB-C504-2R40 | 8-BIT, MROM, 40 MHz, MICROCONTROLLER, PQFP44 |
| SAK-C167SR-LM | 16-BIT, MROM, 25 MHz, MICROCONTROLLER, PQFP144 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| SAB80C517-N-T40/85 | 制造商:INFINEON 制造商全称:Infineon Technologies AG 功能描述:8-Bit CMOS Single-Chip Microcontroller |
| SAB80C52 | 制造商:INFINEON 制造商全称:Infineon Technologies AG 功能描述:High-Performance 8-Bit Single Chip Microcontroller |
| SAB80C52-16-N | 制造商:INFINEON 制造商全称:Infineon Technologies AG 功能描述:High-Performance 8-Bit Single Chip Microcontroller |
| SAB80C52-16-P | 制造商:INFINEON 制造商全称:Infineon Technologies AG 功能描述:High-Performance 8-Bit Single Chip Microcontroller |
| SAB80C52-16-P-T40/85 | 制造商:INFINEON 制造商全称:Infineon Technologies AG 功能描述:High-Performance 8-Bit Single Chip Microcontroller |
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