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| 型号： | COP8SGA540M9 |
| 厂商： | National Semiconductor Corporation |
| 英文描述： | LMH6502 Wideband, Low Power, Linear-in-dB Variable Gain Amplifier; Package: SOIC NARROW; No of Pins: 14 |
| 中文描述： | 8位的CMOS基于ROM和OTP微控制器具有8K到32K的内存，2个比较器和USART |
| 文件页数： | 15/62页 |
| 文件大小： | 913K |
| 代理商： | COP8SGA540M9 |
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4.0 Pin Descriptions
(Continued)
Note:
For compatibility with existing software written for COP888xG devices
and with existing Mask ROM devices, a read of the Port I input pins
(address xxD7) will return the same data as reading the Port F input
pins (address xx96). It is recommended new applications which will go
to production with the COP8SGx use the Port F addresses. Note that
compatible ROM devices contains the input only Port I instead of the
bi-directional Port F.
Port D is an 8-bit output port that is preset high when RESET
goes low. The user can tie two or more D port outputs
(except D2) together in order to get a higher drive.
Note:
Care must be exercised with the D2 pin operation. At RESET, the
external loads on this pin must ensure that the output voltages stay
above 0.7 V
to prevent the chip from entering special modes. Also
keep the external loading on D2 to less than 1000 pF.
10131710
FIGURE 4. I/O Port Configurations
10131712
FIGURE 5. I/O Port Configurations—Output Mode
10131711
FIGURE 6. I/O Port Configurations—Input Mode
C
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相关PDF资料 |
PDF描述 |
|---|---|
| COP8SGA540N8 | LMH6502 Wideband, Low Power, Linear-in-dB Variable Gain Amplifier; Package: TSSOP; No of Pins: 14 |
| COP8SGA540N9 | LMH6502 Wideband, Low Power, Linear-in-dB Variable Gain Amplifier; Package: TSSOP; No of Pins: 14 |
| COP8SGA540Q8 | LMH6503 Wideband, Low Power, Linear Variable Gain Amplifier; Package: SOIC NARROW; No of Pins: 14 |
| COP8SGA540Q9 | LMH6503 Wideband, Low Power, Linear Variable Gain Amplifier; Package: SOIC NARROW; No of Pins: 14 |
| COP8SGA540V9 | LMH6503 Wideband, Low Power, Linear Variable Gain Amplifier; Package: TSSOP; No of Pins: 14 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| COP8SGA540N3 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:8-Bit CMOS ROM Based and OTP Microcontrollers with 8k to 32k Memory, Two Comparators and USART |
| COP8SGA540N6 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:8-Bit CMOS ROM Based and OTP Microcontrollers with 8k to 32k Memory, Two Comparators and USART |
| COP8SGA540N7 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:8-Bit CMOS ROM Based and OTP Microcontrollers with 8k to 32k Memory, Two Comparators and USART |
| COP8SGA540N8 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:8-Bit CMOS ROM Based and OTP Microcontrollers with 8k to 32k Memory, Two Comparators and USART |
| COP8SGA540N9 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:8-Bit CMOS ROM Based and OTP Microcontrollers with 8k to 32k Memory, Two Comparators and USART |
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