參數(shù)資料
型號(hào): M32000D3FP
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 66.6 MHz, RISC MICROCONTROLLER, PQFP100
封裝: 14 X 20 MM, 0.65 MM PITCH, PLASTIC, LQFP-100
文件頁數(shù): 103/155頁
文件大?。?/td> 1340K
代理商: M32000D3FP
M32000D3FP User's Manual
EIT
4-15
4.9 Interrupt processing
4.9.1 Reset interrupt (RI)
[Occurrence condition]
_______
When an "L" level is input to the RST pin, the reset interrupt is always accepted for any machine
cycle. The reset interrupt has the highest priority of all EIT events.
[EIT processing]
(1) SM, IE and C bits initialization
The SM, IE and C bits in the PSW register are initialized.
SM
← 0
IE
← 0
C
← 0
When a reset interrupt is generated, the values of the BSM, BIE and BC bits are undefined.
When set to the slave mode, the M32000D3FP waits for an external interrupt input from the
master, without performing further processing.
(2) Branching to the EIT vector entry
Processing branches to address H'7FFF FFF0 in user space.
(3) Branching from the EIT vector entry to the user program
The M32000D3FP executes the BRA instruction written in address H'7FFF FFF0 (reset vector
entry) of the EIT vector entry, and branches to the top address of the reset handler. In the reset
handler, the PSW register and the SPI should be initialized, and then branch to the top address
of the user program.
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