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| 型号： | M30240M5-XXXFP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 16-BIT, MROM, 12 MHz, MICROCONTROLLER, PQFP80 |
| 封装： | 0.80 MM PITCH, PLASTIC, QFP-80 |
| 文件页数： | 111/139页 |
| 文件大小： | 1453K |
| 代理商： | M30240M5-XXXFP |
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73
Mitsubishi microcomputers
M30240 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Specifications REV. G
Specifications in this manual are tentative and subject to change
Timer A
1.2.21.3 One-shot timer mode
In this mode, the timer operates only once (See Table 1.21 ). When a trigger occurs, the timer starts
up and continues operating for a given period. Figure 1.66 shows the Timer Ai mode register in one-
shot mode.
Figure 1.66: Timer Ai mode register in one-shot mode
Table 1.21:
Timer specifications in one-shot timer mode
Item
Specification
Count source
f1, f8, f32
Count operation
The timer counts down
When the count reaches 000016, the timer stops counting after reloading a new count
If a trigger occurs when counting, the timer reloads a new count and restarts counting
Divide ratio
1/n
n: Set value
Count start condition
An external trigger is input
The selected timer overflows
The one-shot start flag is set (= 1)
Count stop condition
A new count is reloaded after the count has reached 000016
The count start flag is reset (= 0)
Interrupt request
generation timing
The count reaches 000016
TAiIN pin function
Programmable I/O port or trigger input
TAiOUT pin function
Programmable I/O port or pulse output
Read from timer
When timer Ai register is read, it indicates an indeterminate value
Write to timer
When counting is stopped and a value is written to timer Ai register, it is written to both
reload register and counter
When counting is in progress and a value is written to timer Ai register, it is written to the
reload register to be transferred to counter at next load time
Note 1: The settings of the corresponding port register and port direction register are invalid.
Note 2: Valid only when the TAiIN pin is selected by the event/trigger select bit.
(addresses 038216 and 038316).If timer overflow is selected, this bit can be "1", or "0".
Note 3: Set the corresponding port direction register to “0”.
Timer Ai mode register
Symbol
Address
When reset
TAiMR(i=0 to 4)
039616 to 039A16
0016
Bit name
Function
Bit symbol
b7
b6
b5
b4
b3
b2
b1
b0
Operation mode
select bit
1 0 : One-shot timer mode
b1 b0
TMOD1
TMOD0
MR0
Pulse output function
select bit
0 : Pulse is not output
(TA iOUT pin is a normal port pin)
1 : Pulse is output (Note 1)
(TAiOUT pin is a pulse output pin)
External trigger select bit
(Note 2)
0 : Falling edge of TAi IN pin's input signal
(Note3)
1 : Rising edge of TAi IN pin's input signal
(Note3)
MR2
MR1
MR3
0 (Must always be fixed to “0” in timer mode)
0 0 : f 1
0 1 : f 8
1 0 : f 32
1 1 : Reserved
b7 b6
TCK1
TCK0
Count source select bit
10
0
W
R
Trigger select bit
0 : One-shot start flag is valid
1 : Selected by event/trigger select register
相关PDF资料 |
PDF描述 |
|---|---|
| M30240M6-XXXXFP | 16-BIT, MROM, 12 MHz, MICROCONTROLLER, PQFP80 |
| M30240ECFP | 16-BIT, OTPROM, 12 MHz, MICROCONTROLLER, PQFP80 |
| M30240M5-XXXXFP | 16-BIT, MROM, 12 MHz, MICROCONTROLLER, PQFP80 |
| M30240M6-XXXXFP | 16-BIT, OTPROM, MICROCONTROLLER, PQFP80 |
| M30240ECFP | 16-BIT, OTPROM, MICROCONTROLLER, PQFP80 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| M30240M6 | 制造商:MITSUBISHI 制造商全称:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30240M6-XXXFP | 制造商:MITSUBISHI 制造商全称:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30240M7 | 制造商:MITSUBISHI 制造商全称:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30240M7-XXXFP | 制造商:MITSUBISHI 制造商全称:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30240M8 | 制造商:MITSUBISHI 制造商全称:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
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