參數(shù)資料
型號： M38073M4-205FP
廠商： Mitsubishi Electric Corporation
英文描述： SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
中文描述： 單芯片8位CMOS微機
文件頁數(shù)： 33/74頁
文件大小： 1182K
代理商： M38073M4-205FP
33
3807 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
Note: Rising or falling edge of external input can be switched by the INT
4
interrupt edge selection bit of interrupt edge selection register
(however, at one-shot pulse generating mode the timer is triggered at both rising and falling edge).
Timer A interrupt mode selection bit
0: Interrupt request occurs with RTP output pointer value “000
2
”
1: Interrupt request occurs regardless of RTP output pointer value
Timer A operation mode selection bit
00: 8 repeated load mode
01: 6 repeated load mode
10: 5 repeated load mode
11: One-shot pulse generating mode
Real time port control register 1
(RTPCON1 : address 002C
16)
Real time port data pointer A (output pointer value at read-out)
000: indicates real time port register 0
001: indicates real time port register 1
010: indicates real time port register 2
011: indicates real time port register 3
100: indicates real time port register 4
101: indicates real time port register 5
110: indicates real time port register 6
111: indicates real time port register 7
Timer A write pointer
0: indicates timer A0 latch
1: indicates timer A1 latch
b7
Real time port control register 0
(RTPCON0 : address 002B
16
)
Timer A, B count source selection bit
0: f(X
IN
)/2 or f(X
CIN
)/2
1: f(X
IN
)/16 or f(X
CIN
)/16
Timer B start trigger bit (“0” at read-out)
0: Not triggered
1: Timer B start (when bit 5=”0”)
Timer A start trigger selection bit
0: Internal trigger (trigger is generated by setting bit 3 to “1”)
1: External trigger (trigger start by external input INT
4
) (note)
Timer A start trigger bit (“0” at read-out)
0: Not triggered
1: Timer A start (when bit 2=”0”)
Real time port port allocation selection bit
0: 4-4 port division
(P8
2
to P8
5
correspond to timer A; P8
6
, P8
7
, P3
0
, P3
1
correspond to timer B)
1: 2-6 port division
(P8
2
to P8
7
correspond to timer A; P3
0
, P3
1
correspond to timer B)
Timer B count source stop bit
0: Count operation (when a start trigger is generated, “0” is set automatically)
1: Count stop
Timer A count source stop bit
0: Count operation (when a start trigger is generated, “0” is set automatically)
1: Count stop
b7
Real time port data pointer A switch bit (“1” at read-out )
0: R/W pointer
1: Output pointer
b0
Timer B start trigger selection bit
0: Internal trigger (trigger is generated by setting bit 6 to “1”)
1: External trigger (trigger start by external input INT
4
) (note)
b0
Fig. 27. Structure of Real time output port related register (1)
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