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参数资料
| 型号： | MSP430C315IDL |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 16-BIT, MROM, 3.3 MHz, RISC MICROCONTROLLER, PDSO56 |
| 封装： | PLASTIC, SSOP-56 |
| 文件页数： | 30/31页 |
| 文件大小： | 346K |
| 代理商： | MSP430C315IDL |
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MSP430x31x
MIXED SIGNAL MICROCONTROLLERS
SLAS165D FEBRUARY 1998 REVISED APRIL 2000
8
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
operation modes and interrupts (continued)
The most general bits that influence current consumption and support fast turn-on from low power operating
modes are located in the status register (SR). Four of these bits control the CPU and the system clock generator:
SCG1, SCG0, OscOff, and CPUOff.
Reserved For Future
Enhancements
15
9
8
7
0
V
SCG1
SCG0
OscOff
CPUOff
GIE
N
Z
C
rw-0
interrupt vector addresses
The interrupt vectors and the power-up starting address are located in the ROM with an address range of
0FFFFh-0FFE0h. The vector contains the 16-bit address of the appropriate interrupt handler instruction
sequence.
INTERRUPT SOURCE
INTERRUPT FLAG
SYSTEM INTERRUPT
WORD ADDRESS
PRIORITY
Power-up, external reset, watchdog
WDTIFG (see Note 1)
Reset
0FFFEh
15, highest
NMI, oscillator fault
Nonmaskable,
(Non)maskable
0FFFCh
14
Dedicated I/O P0.0
P0.0IFG
Maskable
0FFFAh
13
Dedicated I/O P0.1
P0 1IFG
Maskable
0FFF8h
12
8-Bit Timer/Counter
P0.1IFG
Maskable
0FFF8h
12
0FFF6h
11
Watchdog Timer
WDTIFG
Maskable
0FFF4h
10
0FFF2h
9
0FFF0h
8
0FFEEh
7
0FFECh
6
Timer/Port
RC1FG, RC2FG, EN1FG
(see Note 2)
Maskable
0FFEAh
5
0FFE8h
4
0FFE6h
3
0FFE4h
2
Basic Timer1
BTIFG
Maskable
0FFE2h
1
I/O Port 0.2 7
P0.27IFG (see Note 1)
Maskable
0FFE0h
0, lowest
NOTES:
1. Multiple source flags
2. Timer/port interrupt flags are located in the timer/port registers
3. Non maskable: neither the individual nor the general interrupt enable bit will disable an interrupt event.
4. (Non) maskable: the individual interrupt enable bit can disable an interrupt event, but the general interrupt enable bit cannot.
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