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参数资料
| 型号： | TSC80C31-25IDD |
| 厂商： | ATMEL CORP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, 25 MHz, MICROCONTROLLER, PQFP44 |
| 封装： | PLASTIC, QFP-44 |
| 文件页数： | 131/132页 |
| 文件大小： | 10886K |
| 代理商： | TSC80C31-25IDD |
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8
7593L–AVR–09/12
AT90USB64/128
2.2
Pin descriptions
2.2.1
VCC
Digital supply voltage.
2.2.2
GND
Ground.
2.2.3
AVCC
Analog supply voltage.
2.2.4
Port A (PA7..PA0)
Port A is an 8-bit bidirectional I/O port with internal pull-up resistors (selected for each bit). The
Port A output buffers have symmetrical drive characteristics with both high sink and source
capability. As inputs, Port A pins that are externally pulled low will source current if the pull-up
resistors are activated. The Port A pins are tri-stated when a reset condition becomes active,
even if the clock is not running.
Port A also serves the functions of various special features of the Atmel AT90USB64/128 as
listed on page 78.
2.2.5
Port B (PB7..PB0)
Port B is an 8-bit bidirectional I/O port with internal pull-up resistors (selected for each bit). The
Port B output buffers have symmetrical drive characteristics with both high sink and source
capability. As inputs, Port B pins that are externally pulled low will source current if the pull-up
resistors are activated. The Port B pins are tri-stated when a reset condition becomes active,
even if the clock is not running.
Port B has better driving capabilities than the other ports.
Port B also serves the functions of various special features of the AT90USB64/128 as listed on
2.2.6
Port C (PC7..PC0)
Port C is an 8-bit bidirectional I/O port with internal pull-up resistors (selected for each bit). The
Port C output buffers have symmetrical drive characteristics with both high sink and source
capability. As inputs, Port C pins that are externally pulled low will source current if the pull-up
resistors are activated. The Port C pins are tri-stated when a reset condition becomes active,
even if the clock is not running.
Port C also serves the functions of special features of the AT90USB64/128 as listed on page 82.
2.2.7
Port D (PD7..PD0)
Port D is an 8-bit bi-directional I/O port with internal pull-up resistors (selected for each bit). The
Port D output buffers have symmetrical drive characteristics with both high sink and source
capability. As inputs, Port D pins that are externally pulled low will source current if the pull-up
resistors are activated. The Port D pins are tri-stated when a reset condition becomes active,
even if the clock is not running.
Port D also serves the functions of various special features of the AT90USB64/128 as listed on
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| TSC80C51CXXX-25CEB | 8-BIT, MROM, 25 MHz, MICROCONTROLLER, PQFP44 |
| TSC80C51CXXX-40AF | 8-BIT, MROM, 40 MHz, MICROCONTROLLER, PQFP44 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TSC80C31-25IDD/883 | 制造商:TEMIC 制造商全称:TEMIC Semiconductors 功能描述:CMOS 0 to 44 MHz Single-Chip 8 Bit Microcontroller |
| TSC80C31-25IDR/883 | 制造商:TEMIC 制造商全称:TEMIC Semiconductors 功能描述:CMOS 0 to 44 MHz Single-Chip 8 Bit Microcontroller |
| TSC80C31-25IDR/P883 | 制造商:TEMIC 制造商全称:TEMIC Semiconductors 功能描述:CMOS 0 to 44 MHz Single-Chip 8 Bit Microcontroller |
| TSC80C31-25IE | 制造商:未知厂家 制造商全称:未知厂家 功能描述:8-Bit Microcontroller |
| TSC80C31-25IEB/883 | 制造商:TEMIC 制造商全称:TEMIC Semiconductors 功能描述:CMOS 0 to 44 MHz Single-Chip 8 Bit Microcontroller |
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