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参数资料
| 型号： | ACE1101LEMT8X |
| 厂商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | Arithmetic Controller Engine (ACEx⑩) for Low Power Applications |
| 中文描述： | 8-BIT, EEPROM, 4 MHz, MICROCONTROLLER, PDSO8 |
| 封装： | PLASTIC, TSSOP-8 |
| 文件页数： | 27/33页 |
| 文件大小： | 152K |
| 代理商： | ACE1101LEMT8X |
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www.fairchildsemi.com
ACE1101 Rev. C.8
A
9.0 I/O Port
The six I/O pins are bi-directional (see Figure 21) with the
exception of G3 which is always an input with weak pull-up. The
bi-directional I/O pins can be individually configured by software
to operate as high-impedance inputs, inputs with weak pull-up, or
as push-pull outputs. The operating state is determined by the
contents of the corresponding bits in the data and configuration
registers. Each bi-directional I/O pin can be used for general
purpose I/O, or in some cases, for a specific alternate function
determined by the on-chip hardware.
9.1 I/O registers
The I/O pins (G0-G5) have three memory port registers associ-
ated with them: a port configuration register (PORTGC), a port
data register (PORTGD), and a port input register (PORTGP).
PORTGC is used to configure the pins as inputs or outputs. A pin
may be configured as an input by writing a
‘
0
’
or as an output by
writing a
‘
1
’
to its corresponding PORTGC bit. If a pin is configured
as an output, its PORTGD bit represents the state of the pin (1 =
logic high, 0 = logic low). If the pin is configured as an input, its
PORTGD bit selects whether the pin is a weak pull-up or a high-
impedence input. Table 12 provides details of the port configura-
tion options. The port configuration and data registers are both
read/writeable. Reading PORTGP returns the value of the port
pins regardless of how the pins are configured. Since this device
supports multi-input wakeup/interrupt, PORTG inputs have Schmitt
triggers.
Table 12: I/O configuration options
Configuration Bit
Data Bit
Port Pin Configuration
0
0
High-impedence input (TRI-STATE output)
0
1
Input with pull-up (weak one output)
1
0
Push-pull zero output
1
1
Push-pull one output
Figure 21: PORTG Logic Diagram
Weak Pull-up Control
PORTGC
PORTGD
PORTGP
PINGX
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ACE1101LM8 | 功能描述:8位微控制器 -MCU SO-8 1.8V-5.5V RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
| ACE1101LM8X | 功能描述:8位微控制器 -MCU SO-8 1.8V-5.5V T/R RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
| ACE1101LMT8 | 功能描述:8位微控制器 -MCU TSSOP-8 1.8V-5.5V RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
| ACE1101LMT8X | 功能描述:8位微控制器 -MCU TSSOP-8 1.8-5.5V T/R RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
| ACE1101LN | 功能描述:8位微控制器 -MCU DIP-8 1.8V-5.5V RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
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