參數(shù)資料
型號： M30102M3-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： 7 X 7 MM, 0.50 MM PITCH, PLASTIC, LQFP-48
文件頁數(shù)： 119/166頁
文件大?。?/td> 2060K
代理商： M30102M3-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
53
TCIN interrupt
A TCIN interrupt is generated from edges of a TCIN input signal or after 512 divisions of fRING.
To use TCIN input signal, set the time measurement input source switching bit (bit 7 of address 009A16) of
timer C control register 0 to "0" (TCIN). The level of input to TCIN pin is sampled by one of three sampling
clocks, f1, f8 or f32, selected with the digital filter clock select bit (bits 0 and 1 of address 009B16). The input
level is determined when the sampled input level matches three times. (However, if the port P33 is read, the
value will be the unfiltered value.) The edge polarity of an interrupt can be rising edge, falling edge, or both
edges using the time measurement edge trigger select bits (bits 3 and 4 of address 009A16).
When triggered after 512 divisions of fRING, set the time measurement input source switching bit (bit 7 of
address 009A16) to "1" (RING512).
Figure 1.12.13 shows the timer C control registers 0 and 1.
Figure 1.12.13 Timer C control registers 0 and 1
Timer C control register 0
Symbol
Address
When reset
TCC0
009A16
0XX000002
Bit name
Function
Bit symbol
W
R
b7
b6 b5
b4
b3
b2
b1 b0
0 0 : f1
0 1 : f8
1 0 : f32
1 1 : Inhibit
TCC04
TCC02
TCC01
TCC00
TCC03
Nothing is assigned.
When write, set "0". When read, their contents are "0".
Time measurement control bit
Timer C clock select bit
0 : Time measurement disabled
1 : Time measurement enabled
TCC07
b2 b1
Time measurement input edge
trigger bit
Time measurement input
source switching bit
0 : TCIN
1 : RING512
Timer C control register 1
Symbol
Address
When reset
TCC1
009B16
XXXXXX112
Bit name
Function
Bit symbol
W
R
b7
b6 b5
b4
b3
b2
b1
b0
TCC11
TCC10
Nothing is assigned.
When write, set "0". When read, their contents are "0".
0 0 : Rising edge
0 1 : Falling edge
1 0 : Both edges
1 1 : Inhibit
b4 b3
0 0 : Cannot be used
0 1 : f1
1 0 : f8
1 1 : f32
b1 b0
Digital filter clock select bit
Note 1: Change this bit when time measurement is disabled.
Note 2: When using an external RC circuit for the main clock, f1 cannot be selected for the
Timer C clock.
Note 3: Set the ring oscillation stop bit (CM14) to “0” before setting this bit to “1”.
(Note 1)
(Note 3)
(Note)
Note : Input edge becomes active when the same value from TCIN pin is sampled
three times in succession.
(Note 2)
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