參數(shù)資料
型號(hào): MC9S12UF32PU
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 60 MHz, MICROCONTROLLER, PQFP100
封裝: LQFP-100
文件頁數(shù): 115/128頁
文件大小: 1785K
代理商: MC9S12UF32PU
87
Freescale Semiconductor
System on a Chip Guide — 9S12UF32DGV1/D V01.05
5.3 Resets
Resets are a subset of the interrupts featured inTable 5-1. The different sources capable of generating a
system reset are summarized in Table 5-2.
5.3.1 Reset Summary Table
5.3.2 Effects of Reset
When a reset occurs, MCU registers and control bits are changed to known start-up states. Refer to the
respective module Block Guides for register reset states. Refer to the HCS12 Core User Guides for mode
dependent pin configuration of port A, B and E out of reset.
Refer to the PIM Block Guide for reset configurations of all peripheral module ports.
Refer to for location of the memories depending on the operating mode after reset.
The RAM array is not automatically initialized out of reset.
Table 5-2 Reset Summary
Reset
Priority
Source
Vector
Power-on Reset
1
CRG Module
$FFFE, $FFFF
External Reset
1
RESET pin
$FFFE, $FFFF
COP Watchdog Reset
2
CRG Module
$FFFA, $FFFB
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