參數(shù)資料
型號(hào)： M30102M2T-XXXFP
元件分類： 微控制器/微處理器
英文描述： 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP48
封裝： PLASTIC, LQFP-48
文件頁數(shù)： 112/163頁
文件大小： 2767K
代理商： M30102M2T-XXXFP
Under
development
Tentative Specifications REV.E1
Specifications in this manual are tentative and subject to change.
Mitsubishi microcomputers
M30100/M30102 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Interrupts
52
CNTR0 interrupt
A CNTR0 interrupt is generated from the selected edge polarity, rising or falling edge, of the CNTR0 input
signal. The edge polarity is selected using the CNTR0 polarity select bit (bit 2 of address 008B16). When
using the CNTR0 interrupt, the port P17 direction register should be set to input.
When the pulse output mode of timer X is selected, the CNTR0 pin functions as a pulse output pin. In this
case, a CNTR0 interrupt occurs by a falling or rising edge output from the CNTR0 pin. The port P17 direc-
tion register should also be set to input at this time.
Figure 1.12.12 shows the timer X mode register.
Figure 1.12.12 Timer X mode register
Timer X mode register
Symbol
Address
When reset
TXMR
008B16
000000002
Bit name
Function
Bit symbol
W
R
b7
b6
b5
b4
b3
b2
b1
b0
0 0 : Timer mode or
pulse period measurement mode
0 1 : Pulse output mode
1 0 : Event counter mode
1 1 : Pulse width measurement mode
b1 b0
TXMOD2
TXS
TXMOD1
R0EDG
TXMOD0
TXOCNT
CNTR0 polarity
switching bit
Operation mode
select bit 0, 1
Note 1: In the pulse output mode, the direction register of port P17 should be set to input.
Note 2: This bit should rewrite with inhibiting the CNTR0 interrupt.
Note 3: TXEDG and TXUND were added after the product Ver.3.0 of the flash memory edition
(M30100F3/M30102F3) after the product Ver.2.0 of the mask ROM edition ( M30100Mx/
M30102Mx). Nothing is assigned to the product before this.
0 : Rising edge
1 : Falling edge
Timer X count
start flag
0 : Stops counting
1 : Starts counting
P30/TXOUT
select bit
Operation mode
select bit 2
0 : Except in pulse period measurement mode
1 : Pulse period measurement mode
(Note 1)
Function varies with each operation mode
(Note 2)
TXEDG
TXUND
(Note 3)
Timer X under
flow flag
Function varies with each operation mode.
Effectaul edge
reception flag
Function varies with each operation mode.
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