參數(shù)資料
型號: MC9SA256BCFUR2
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 8 MHz, MICROCONTROLLER, PQFP80
封裝: QFP-80
文件頁數(shù): 36/102頁
文件大?。?/td> 1050K
代理商: MC9SA256BCFUR2
MC9S12A256 Device Guide — V01.01
39
Section 3 System Clock Description
3.1 Overview
The Clock and Reset Generator provides the internal clock signals for the core and all peripheral modules.
Figure 3-1 shows the clock connections from the CRG to all modules.
Consult the HCS12 Clock and Reset Generator (CRG) Block Guide (Motorola document order number,
S12CRGV3/D) for details on clock generation.
Figure 3-1 Clock Connections
CRG
bus clock
core clock
EXTAL
XTAL
oscillator clock
S12_CORE
IIC
RAM
SCI0, SCI1
PWM
ATD0, 1
EEPROM
Flash
ECT
SPI0, 1, 2
PIM
BDM
1/2
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