參數(shù)資料
型號(hào): M38279EFHP
元件分類(lèi): 微控制器/微處理器
英文描述: 8-BIT, OTPROM, 4 MHz, MICROCONTROLLER, PQFP100
封裝: 12 X 12 MM, 0.40 MM PITCH, PLASTIC, TQFP-100
文件頁(yè)數(shù): 37/70頁(yè)
文件大?。?/td> 1112K
代理商: M38279EFHP
42
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
3827 Group
MITSUBISHI MICROCOMPUTERS
TOUT/
φ CLOCK OUTPUT FUNCTION
The internal system clock
φ or timer 2 divided by 2 (TOUT output)
can be output from port P43 by setting the TOUT/
φ output control
bit (bit 1) of the timer 123 mode register and the TOUT/
φ output
control register. Set bit 3 of the port P4 direction register to “1”
when outputting the clock.
Fig. 47 Structure of TOUT/
φ output-related register
TOUT/
φ output control bit
0 :
φ clock output
1 : TOUT output
Not used (return “0” when read)
TOUT/
φ output control register
(CKOUT : address 002A16)
b7
b0
Timer 123 mode register
(T123M : address 002916)
TOUT output active edge switch bit
0 : Start on “H” output
1 : Start on “L” output
TOUT/
φ output control bit
0 : TOUT/
φ output disable
1 : TOUT/
φ output enable
Timer 2 write control bit
0 : Write data in latch and timer
1 : Write data in latch only
Timer 2 count source selection bit
0 : Timer 1 output
1 : f(XIN)/16
(or f(XCIN)/16 in low-speed modeV)
Timer 3 count source selection bit
0 : Timer 1 output
1 : f(XIN)/16
(or f(XCIN)/16 in low-speed modeV)
Timer 1 count source selection bit
0 : f(XIN)/16
(or f(XCIN)/16 in low-speed modeV)
1 : f(XCIN)
Not used (return “0” when read)
V : Internal clock
φ is f(XCIN)/2 in low-speed mode.
b7
b0
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