参数资料
型号: M38227MCA-XXXHP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 5 MHz, MICROCONTROLLER, PQFP80
封装: 12 X 12 MM, 0.50 MM PITCH, PLASTIC, LQFP-80
文件页数: 31/59页
文件大小: 900K
代理商: M38227MCA-XXXHP
Rev.1.20
Dec 24, 2003
page 37 of 57
3822 Group (A ver.)
φφφφφ CLOCK SYSTEM OUTPUT FUNCTION
The internal system clock
φ can be output from port P41 by setting
the
φ output control register. Set bit 1 of the port P4 direction reg-
ister to “1” when outputting
φ clock.
Fig. 35 Structure of
φφφφφ output control register
φ output control register
(CKOUT : address 002A16)
φ output control bit
0 : port function
1 :
φ clock output
Not used (return “0” when read)
b7
b0
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