参数资料
型号: ST10F269DIETR
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 16-BIT, FLASH, 32 MHz, MICROCONTROLLER, UUC
封装: DIE
文件页数: 115/161页
文件大小: 1595K
代理商: ST10F269DIETR
ST10F269-T3
57/160
12.2 - I/O’s Special Features
12.2.1 - Open Drain Mode
Some of the I/O ports of ST10F269-T3 support
the open drain capability. This programmable
feature may be used with an external pull-up
resistor, in order to get an AND wired logical
function.
This feature is implemented for ports P2, P3, P4,
P6, P7 and P8 (see respective sections), and is
controlled through the respective Open Drain
Control Registers ODPx. These registers allow
the individual bit-wise selection of the open drain
mode for each port line. If the respective control
bit ODPx.y is ‘0’ (default after reset), the output
driver is in the push-pull mode. If ODPx.y is ‘1’, the
open drain configuration is selected. Note that all
ODPx registers are located in the ESFR space
(See Figure 19).
12.2.2 - Input Threshold Control
The
standard
inputs
of
the
ST10F269-T3
determine the status of input signals according to
TTL levels. In order to accept and recognize noisy
signals, CMOS-like input thresholds can be
selected instead of the standard TTL thresholds
for all pins of Port 2, Port 3, Port 4, Port 7 and Port
8. These special thresholds are defined above the
TTL thresholds and feature a defined hysteresis to
prevent
the
inputs
from toggling
while
the
respective input signal level is near the thresholds.
The Port Input Control register PICON is used to
select these thresholds for each Byte of the
indicated ports, this means the 8-bit ports P4, P7
and P8 are controlled by one bit each while ports
P2 and P3 are controlled by two bits each.
All options for individual direction and output mode
control are available for each pin, independent of
the selected input threshold. The input hysteresis
provides stable inputs from noisy or slowly
changing external signals (See Figure 20).
PICON (F1C4h / E2h)
ESFR
Reset Value: --00h
15
14
13
12
11
10
9876543210
--------
P8LIN P7LIN
-
P4LIN P3HIN P3LIN P2HIN P2LIN
RW
Bit
Function
PxLIN
Port x Low Byte Input Level Selection
0:
Pins Px.7...Px.0 switch on standard TTL input levels
1:
Pins Px.7...Px.0 switch on special threshold input levels
PxHIN
Port x High Byte Input Level Selection
0:
Pins Px.15...Px.8 switch on standard TTL input levels
1:
Pins Px.15...Px.8 switch on special threshold input levels
Figure 19 : Output Drivers in Push-pull Mode and in Open Drain Mode
Pin
Q
Push-Pull Output Driver
Q
Open Drain Output Driver
External
Pullup
Pin
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相关代理商/技术参数
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ST10F269-DP 功能描述:16位微控制器 - MCU 16-bit MCU MAC 256 Kbyte Flash RoHS:否 制造商:Texas Instruments 核心:RISC 处理器系列:MSP430FR572x 数据总线宽度:16 bit 最大时钟频率:24 MHz 程序存储器大小:8 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:2 V to 3.6 V 工作温度范围:- 40 C to + 85 C 封装 / 箱体:VQFN-40 安装风格:SMD/SMT
ST10F269-DPB 功能描述:16位微控制器 - MCU 16-bit MCU MAC 256 Kbyte Flash RoHS:否 制造商:Texas Instruments 核心:RISC 处理器系列:MSP430FR572x 数据总线宽度:16 bit 最大时钟频率:24 MHz 程序存储器大小:8 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:2 V to 3.6 V 工作温度范围:- 40 C to + 85 C 封装 / 箱体:VQFN-40 安装风格:SMD/SMT
ST10F269-DPR 功能描述:16位微控制器 - MCU 16Bit MCU 256K BYTE FLASH,12K BYTE RAM RoHS:否 制造商:Texas Instruments 核心:RISC 处理器系列:MSP430FR572x 数据总线宽度:16 bit 最大时钟频率:24 MHz 程序存储器大小:8 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:2 V to 3.6 V 工作温度范围:- 40 C to + 85 C 封装 / 箱体:VQFN-40 安装风格:SMD/SMT
ST10F269DT3 功能描述:16位微控制器 - MCU 16Bit MCU 256K BYTE FLASH,12K BYTE RAM RoHS:否 制造商:Texas Instruments 核心:RISC 处理器系列:MSP430FR572x 数据总线宽度:16 bit 最大时钟频率:24 MHz 程序存储器大小:8 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:2 V to 3.6 V 工作温度范围:- 40 C to + 85 C 封装 / 箱体:VQFN-40 安装风格:SMD/SMT
ST10F269DTR3 功能描述:16位微控制器 - MCU 16-bit MCU MAC unit 256 Kbyte Flash RoHS:否 制造商:Texas Instruments 核心:RISC 处理器系列:MSP430FR572x 数据总线宽度:16 bit 最大时钟频率:24 MHz 程序存储器大小:8 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:2 V to 3.6 V 工作温度范围:- 40 C to + 85 C 封装 / 箱体:VQFN-40 安装风格:SMD/SMT