參數(shù)資料
型號(hào)： ACE1101L
廠商： Fairchild Semiconductor Corporation
英文描述： Arithmetic Controller Engine (ACEx⑩) for Low Power Applications
中文描述： 算術(shù)控制器引擎（ACEx⑩）的低功耗應(yīng)用
文件頁(yè)數(shù)： 27/33頁(yè)
文件大小： 152K
代理商： ACE1101L
27
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
相關(guān)PDF資料
PDF描述
ACE1101LEMT8 Arithmetic Controller Engine (ACEx⑩) for Low Power Applications
ACE1101LEMT8X Arithmetic Controller Engine (ACEx⑩) for Low Power Applications
ACE1101E Arithmetic Controller Engine (ACEx⑩) for Low Power Applications
ACE1101 Arithmetic Controller Engine For Low Power Applications(低功耗器件運(yùn)用的算術(shù)控制引擎)
ACE1202E Arithmetic Controller Engine (ACEx⑩) for Low Power Applications
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ACE1101LEMT8 功能描述:8位微控制器 -MCU DISC BY MFG 2/02 RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
ACE1101LEMT8X 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Arithmetic Controller Engine (ACEx⑩) for Low Power Applications
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 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)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 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)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 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
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