参数资料
型号: MSP430F2131IDWR
厂商: TEXAS INSTRUMENTS INC
元件分类: 微控制器/微处理器
英文描述: 16-BIT, FLASH, 16 MHz, RISC MICROCONTROLLER, PDSO20
封装: GREEN, PLASTIC, SOIC-20
文件页数: 55/57页
文件大小: 1276K
代理商: MSP430F2131IDWR
MSP430x21x1
MIXED SIGNAL MICROCONTROLLER
SLAS439D -- SEPTEMBER 2004 -- REVISED SEPTEMBER 2010
7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
special function registers
Most interrupt and module enable bits are collected into the lowest address space. Special function register bits
not allocated to a functional purpose are not physically present in the device. Simple software access is provided
with this arrangement.
interrupt enable 1 and 2
76
54
0
OFIE
WDTIE
32
1
rw-0
Address
0h
NMIIE
ACCVIE
rw-0
WDTIE:
Watchdog Timer interrupt enable. Inactive if watchdog mode is selected. Active if Watchdog Timer
is configured in interval timer mode.
OFIE:
Oscillator fault enable
NMIIE:
(Non)maskable interrupt enable
ACCVIE:
Flash access violation interrupt enable
76
54
0
32
1
Address
01h
interrupt flag register 1 and 2
76
54
0
OFIFG
WDTIFG
32
1
rw-0
rw-1
rw-(0)
Address
02h
NMIIFG
rw-(0)
RSTIFG
rw-(1)
PORIFG
WDTIFG:
Set on Watchdog Timer overflow (in watchdog mode) or security key violation.
Reset on VCC power-up or a reset condition at RST/NMI pin in reset mode.
OFIFG:
Flag set on oscillator fault
RSTIFG:
External reset interrupt flag. Set on a reset condition at RST/NMI pin in reset mode. Reset on VCC
power--up
PORIFG:
Power--On Reset interrupt flag. Set on VCC power--up.
NMIIFG:
Set via RST/NMI-pin
76
54
0
32
1
Address
03h
Legend
rw:
rw-0,1:
Bit can be read and written.
Bit can be read and written. It is Reset or Set by PUC.
Bit can be read and written. It is Reset or Set by POR.
rw-(0,1):
SFR bit is not present in device
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