參數資料
型號： ST72124J2T
廠商： 意法半導體
英文描述： 8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, SCI INTERFACES
中文描述： 8位單電壓閃存，ADC和16位定時器，SPI和脊髓損傷界面微控制器
文件頁數： 47/153頁
文件大小： 1533K
代理商： ST72124J2T
ST72334J/N, ST72314J/N, ST72124J
47/153
MISCELLANEOUS REGISTERS
(Cont’d)
13.3 REGISTERS DESCRIPTION
MISCELLANEOUS REGISTER 1 (MISCR1)
Read/Write
Reset Value: 0000 0000 (00h)
Bit 7:6 =
IS1[1:0]
ei2 and ei3 sensitivity
The interrupt sensitivity, defined using the IS1[1:0]
bits, is applied to the following external interrupts:
ei2 (port B3..0) and ei3 (port B7..4). These 2 bits
can be written only when the I bit of the CC register
is set to 1 (interrupt disabled).
Bit 5 =
MCO
Main clock out selection
This bit enables the MCO alternate function on the
I/O port. It is set and cleared by software.
0: MCO alternate function disabled
(I/O pin free for general-purpose I/O)
1: MCO alternate function enabled
(f
OSC
/2 on I/O port)
Note
: To reduce power consumption, the MCO
function is not active in ACTIVE-HALT mode.
Bit 4:3 =
IS2[1:0]
ei0 and ei1 sensitivity
The interrupt sensitivity, defined using the IS2[1:0]
bits, is applied to the following external interrupts:-
ei0 (port A3..0) and ei1 (port F2..0). These 2 bits
can be written only when the I bit of the CC register
is set to 1 (interrupt disabled).
Bit 2:1 =
CP[1:0]
CPU clock prescaler
These bits select the CPU clock prescaler which is
applied in the different slow modes. Their action is
conditioned by the setting of the SMS bit. These
two bits are set and cleared by software
Bit 0 =
SMS
Slow mode select
This bit is set and cleared by software.
0: Normal mode. f
CPU
=
f
OSC
/ 2
1: Slow mode. f
CPU
is given by CP1, CP0
See low power consumption mode and MCC
chapters for more details.
7
0
IS11
IS10
MCO
IS21
IS20
CP1
CP0
SMS
External Interrupt Sensitivity
Falling edge & low level
Rising edge only
Falling edge only
Rising and falling edge
IS11 IS10
0
0
1
1
0
1
0
1
f
CPU
in SLOW mode
CP1 CP0
0
1
0
1
f
OSC
/ 4
f
OSC
/ 8
f
OSC
/ 16
f
OSC
/ 32
0
0
1
1
相關PDF資料
PDF描述
ST72314J2B 8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, SCI INTERFACES
ST72314J2T 8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, SCI INTERFACES
ST72334J2B 8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, SCI INTERFACES
ST72334J2T 8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, SCI INTERFACES
ST72213 8-BIT MCU WITH 4 TO 8K ROM/OTP/EPROM, 256 BYTES RAM, ADC, WDG, SPI AND 1 OR 2 TIMERS
相關代理商/技術參數
參數描述
ST72124J2T1 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, SCI INTERFACES
ST72124J2T1/XXX 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, SCI INTERFACES
ST72124J2T3 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, SCI INTERFACES
ST72124J2T3/XXX 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, SCI INTERFACES
ST72124J2T6 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, SCI INTERFACES
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