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参数资料
型号： ST10F269Z2Q3
厂商： STMICROELECTRONICS
元件分类： 微控制器/微处理器
英文描述： 16-BIT, FLASH, 40 MHz, MICROCONTROLLER, PQFP144
封装： 28 X 28 MM, PLASTIC, QFP-144
文件页数： 19/160页
文件大小： 1541K
代理商： ST10F269Z2Q3
ST10F269
115/160
EXICON (F1C0h / E0h
ESFR
Reset Value: 0000h
EXxIN inputs are normally sampled interrupt
inputs. However, the Power Down mode circuitry
uses them as level-sensitive inputs.
An EXxIN (x = 3...0) Interrupt Enable bit (bit
CCxIE in respective CCxIC register) need not be
set to bring the device out of Power Down mode.
An external RC circuit must be connected to RPD
pin, as shown in the Figure 61.
To exit Power Down mode with an external
interrupt, an EXxIN (x = 7...0) pin has to be
asserted for at least 40ns.
This signal enables the internal oscillator and PLL
circuitry, and also turns on the weak pull-down
(see Figure 62).
The discharge of the external capacitor provides a
delay that allows the oscillator and PLL circuits to
stabilize before the internal CPU and Peripheral
clocks are enabled. When the RPD voltage drops
below the threshold voltage (about 2.5V), the
Schmitt trigger clears Q2 flip-flop, thus enabling
the CPU and Peripheral clocks, and the device
resumes code execution.
If the Interrupt was enabled (bit CCxIE=’1’ in the
respective CCxIC register) before entering Power
Down mode, the device executes the interrupt
service routine, and then resumes execution after
the PWRDN intruction (see note below).
If the interrupt was disabled, the device executes
the instruction following PWRDN instruction, and
the Interrupt Request Flag (bit CCxIR in in the
respective CCxIC register) remains set until it is
cleared by software.
Note:
Due
to
the
internal
pipeline,
the
instruction
that
follows
the
PWRDN
intruction is executed before the CPU
performs a call of the interrupt service
routine when exiting power-down mode
15
14
13
12
11
10
9876543210
EXI7ES
EXI6ES
EXI5ES
EXI4ES
EXI3ES
EXI2ES
EXI1ES
EXI0ES
RW
EXIxES(x=7...0)
External Interrupt x Edge Selection Field (x=7...0)
0 0:
Fast external interrupts disabled: standard mode
EXxIN pin not taken in account for entering/exiting Power Down mode.
0 1:
Interrupt on positive edge (rising)
Enter Power Down mode if EXiIN = ‘0’, exit if EXxIN = ‘1’ (referred as ‘high’ active level)
1 0:
Interrupt on negative edge (falling)
Enter Power Down mode if EXiIN = ‘1’, exit if EXxIN = ‘0’ (referred as ‘low’ active level)
1 1:
Interrupt on any edge (rising or falling)
Always enter Power Down mode, exit if EXxIN level changed.
Figure 61 : External R0C0 Circuit on RPD Pin For
Exiting Powerdown Mode with External Interrupt
RPD
VDD
C0
R0
220k
minimum
1
F Typical
ST10F269-Q3
+
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相关代理商/技术参数
参数描述
ST10F269Z2Q6 功能描述:16位微控制器 - MCU 256K Flash 12K 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
ST10F269Z2Q6/TR 功能描述:16位微控制器 - MCU 16B MCU 256K Byte and 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
ST10F269Z2QX 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:16-BIT MCU WITH MAC UNIT, 256K BYTE FLASH MEMORY AND 12K BYTE RAM
ST10F269Z2T3 功能描述:16位微控制器 - MCU ST10F272 16B MCU 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
ST10F269Z2T6 功能描述:16位微控制器 - MCU ST10F272 16B MCU 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
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