参数资料
型号: ST7PLUSA2M6TR
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDSO8
封装: 0.150 INCH, ROHS COMPLIANT, PLASTIC, SOP-8
文件页数: 95/136页
文件大小: 1705K
代理商: ST7PLUSA2M6TR
Obsolete
Product(s)
- Obsolete
Product(s)
Obsolete
Product(s)
- Obsolete
Product(s)
ST7LITEUS2, ST7LITEUS5
I/O ports
9.2.3
Alternate functions
When an on-chip peripheral is configured to use a pin, the alternate function is automatically
selected. This alternate function takes priority over the standard I/O programming under the
following conditions:
When the signal is coming from an on-chip peripheral, the I/O pin is automatically
configured in output mode (push-pull or open drain according to the peripheral).
When the signal is going to an on-chip peripheral, the I/O pin must be configured in
floating input mode. In this case, the pin state is also digitally readable by addressing
the DR register.
Note:
1
Input pull-up configuration can cause unexpected value at the input of the alternate
peripheral input.
2
When an on-chip peripheral use a pin as input and output, this pin has to be configured in
input floating mode.
Figure 28.
I/O port general block diagram
DR
DDR
OR
DATA
BU
S
PAD
VDD
ALTERNATE
ENABLE
ALTERNATE
OUTPUT
1
0
OR SEL
DDR SEL
DR SEL
PULL-UP
CONDITION
P-BUFFER
(see table below)
N-BUFFER
PULL-UP
(see table below)
1
0
ANALOG
INPUT
If implemented
ALTERNATE
INPUT
VDD
DIODES
(see table below)
FROM
OTHER
BITS
EXTERNAL
SOURCE (eix)
INTERRUPT
POLARITY
SELECTION
CMOS
SCHMITT
TRIGGER
REGISTER
ACCESS
相关PDF资料
PDF描述
ST7PLUSA5U3 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDSO8
ST7FLITEUSA5B6 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDIP8
ST7FLITEUSA2B6 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDIP8
ST7PLUSA2B6 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP8
ST7FLITEUSA5U6TR 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDSO8
相关代理商/技术参数
参数描述
ST7PMC1K2B3 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-bit MCU with nested interrupts, Flash, 10-bit ADC, brushless motor control, five timers, SPI, LINSCI?
ST7PMC1K2B6 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, BRUSHLESS MOTOR CONTROL, FIVE TIMERS, SPI, LINSCI
ST7PMC1K2T3 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-bit MCU with nested interrupts, Flash, 10-bit ADC, brushless motor control, five timers, SPI, LINSCI?
ST7PMC1K2T6 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, BRUSHLESS MOTOR CONTROL, FIVE TIMERS, SPI, LINSCI
ST7PMC1K2T6/ST7PMC1K2 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, BRUSHLESS MOTOR CONTROL, FIVE TIMERS, SPI, LINSCI