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| 型号： | ST7PLITEUS5M6TR |
| 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, LEAD FREE, PLASTIC, SOP-8 |
| 文件页数： | 26/108页 |
| 文件大小： | 1957K |
| 代理商： | ST7PLITEUS5M6TR |
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ST7LITEUSx
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6.4 REGISTER DESCRIPTION
MULTIPLEXED IO RESET CONTROL REGIS-
TER 1 (MUXCR1)
Read / Write once only
Reset Value: 0000 0000 (00h)
MULTIPLEXED IO RESET CONTROL REGIS-
TER 0 (MUXCR0)
Read / Write once only
Reset Value: 0000 0000 (00h)
Bits 15:0 = MIR[15:0]
This 16-bit register is read/write by software but
can be written only once between two reset
events. It is cleared by hardware after a reset;
When both MUXCR0 and MUXCR1 registers are
at 00h, the multiplexed PA3/RESET pin will act as
RESET. To configure this pin as output (Port A3),
write 55h to MUXCR0 and AAh to MUXCR1.
These registers are one-time writable only.
– To configure PA3 as general purpose output:
After power-on / reset, the application program
has to configure the I/O port by writing to these
registers as described above. Once the pin is
configured as an I/O output, it cannot be
changed back to a reset pin by the application
code.
– To configure PA3 as RESET:
An internally generated reset (such as POR,
LVD, WDG, illegal opcode) will clear the two reg-
isters and the pin will act again as a reset func-
tion. Otherwise, a power-down is required to put
the pin back in reset configuration.
Table 6. Multiplexed IO Register Map and Reset Values
70
MIR1
5
MIR1
4
MIR1
3
MIR1
2
MIR1
1
MIR1
0
MIR
9
MIR
8
70
MIR7 MIR6 MIR5 MIR4 MIR3 MIR2 MIR1 MIR0
Address
(Hex.)
Register
Label
76543
210
0047h
MUXCR0
Reset Value
MIR7
0
MIR6
0
MIR5
0
MIR4
0
MIR3
0
MIR2
0
MIR1
0
MIR0
0
0048h
MUXCR1
Reset Value
MIR15
0
MIR14
0
MIR13
0
MIR12
0
MIR11
0
MIR10
0
MIR9
0
MIR8
0
1
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相关代理商/技术参数 |
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|---|---|
| ST7PLITEUS5U3 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-bit MCU with single voltage Flash memory, ADC, timers |
| ST7PLITEUS5U3TR | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-bit MCU with single voltage Flash memory, ADC, timers |
| ST7PLITEUS5U6 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-bit MCU with single voltage Flash memory, ADC, timers |
| ST7PLITEUS5U6TR | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-bit MCU with single voltage Flash memory, ADC, timers |
| 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? |
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