參數(shù)資料
型號(hào): ST10F269DIETR
廠(chǎng)商: STMICROELECTRONICS
元件分類(lèi): 微控制器/微處理器
英文描述: 16-BIT, FLASH, 32 MHz, MICROCONTROLLER, UUC
封裝: DIE
文件頁(yè)數(shù): 116/161頁(yè)
文件大?。?/td> 1595K
代理商: ST10F269DIETR
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ST10F269-T3
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12.2.3 - Output Driver Control
The port output control registers POCONx allow
to select the port output driver characteristics of a
port. The aim of these selections is to adapt the
output drivers to the application’s requirements,
and to improve the EMI behaviour of the device.
Two characteristics may be selected:
Edge characteristic defines the rise/fall time for
the respective output. Slow edges reduce the
peak currents that are sinked/sourced when
changing
the
voltage
level
of
an
external
capacitive load. For a bus interface or pins that
are changing at frequency higher than 1MHz,
however, fast edges may still be required.
Driver characteristic defines either the general
driving capability of the respective driver, or if the
driver strength is reduced after the target output
level has been reached or not. Reducing the
driver strength increases the output’s internal
resistance,
which
attenuates
noise
that
is
imported via the output line. For driving LEDs or
power transistors, however, a stable high output
current may still be required as described below.
This rise / fall time of 4 I/O pads (a nibble) is
selected using 2-bit named PNxEC. That means
Port Nibble (x = nibble number, it could be 3 as for
Port 2.15 to 2.12) Edge Characteristic.
The sink / source capability of the same 4 I/O
pads is selected using 2-bit named PNxDC. That
means Port Nibble (x = nibble number) Drive
Characteristic (See Table 14).
POCONx (F0yyh / zzh) for 8-bit Ports
ESFR
Reset Value: --00h
POCONx (F0yyh / zzh) for 16-bit Ports
ESFR
ResetValue:0000h
Note: In case of reading an 8 bit P0CONX register, high Byte (bit 15.8) is read as 00h
Figure 20 : Hysteresis for Special Input Thresholds
Input level
Bit state
Hysteresis
15
14
13
12
11
10
9876543210
--------
PN1DC
PN1EC
PN0DC
PN0EC
RW
15
14
13
12
11
10
9876543210
PN3DC
PN3EC
PN2DC
PN2EC
PN1DC
PN1EC
PN0DC
PN0EC
RW
Bit
Function
PNxEC
Port Nibble x Edge Characteristic (rise/fall time)
00:
Fast edge mode, rise/fall times depend on the size of the driver.
01:
Slow edge mode, rise/fall times ~60 ns
10:
Reserved
11:
Reserved
PNxDC
Port Nibble x Driver Characteristic (output current)
00:
High Current mode:
Driver always operates with maximum strength.
01:
Dynamic Current mode:
Driver strength is reduced after the target level has been reached.
10:
Low Current mode:
Driver always operates with reduced strength.
11:
Reserved
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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 處理器系列:MSP430FR572x 數(shù)據(jù)總線(xiàn)寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲(chǔ)器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)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 處理器系列:MSP430FR572x 數(shù)據(jù)總線(xiàn)寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲(chǔ)器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)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 處理器系列:MSP430FR572x 數(shù)據(jù)總線(xiàn)寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲(chǔ)器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)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 處理器系列:MSP430FR572x 數(shù)據(jù)總線(xiàn)寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲(chǔ)器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)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 處理器系列:MSP430FR572x 數(shù)據(jù)總線(xiàn)寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲(chǔ)器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT