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参数资料
型号： M30201F4T-FP
元件分类： 微控制器/微处理器
英文描述： 16-BIT, FLASH, 10 MHz, MICROCONTROLLER, PQFP56
封装： PLASTIC, QFP-56
文件页数： 125/158页
文件大小： 1633K
代理商： M30201F4T-FP
69
Under
development
Mitsubishi microcomputers
M30201 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Timer X
Item
Specification
Count source
External signals input to TXiINOUT pin (effective edge can be selected by software)
TB1 overflow, TA0 overflow, TXi overflow
Count operation
Down count
When the timer underflows, it reloads the reload register contents before
continuing counting (Note)
Divide ratio
1/ (n + 1)
n : Set value
Count start condition
Count start flag is set (= 1)
Count stop condition
Count start flag is reset (= 0)
Interrupt request generation timing The timer underflows
TXiINOUT pin function
Programmable I/O port, count source input or pulse output
Read from timer
Count value can be read out by reading timer Xi register
Write to timer
When counting stopped
When a value is written to timer Xi register, it is written to both reload register and counter
When counting in progress
When a value is written to timer Xi register, it is written to only reload register
(Transferred to counter at next reload time)
Select function
Free-run count function
Even when the timer underflows, the reload register content is not reloaded to it
Pulse output function
Each time the timer underflows, the TXiINOUT pin’s polarity is reversed
Note: This does not apply when the free-run function is selected.
(2) Event counter mode
In this mode, the timer counts an external signal or an internal timer’s overflow. (See Table 1.22.) Figure
1.61 shows the timer Xi mode register in event counter mode.
Table 1.22. Timer specifications in event counter mode (when not processing two-phase pulse signal)
Figure 1.61. Timer Xi mode register in event counter mode
Timer Xi mode register
Note 1: Count source is selected by event/trigger select bit(address 038316) in event counter mode.
Note 2: Set the corresponding port direction register to “1” (output mode). TXiINOUT pin input is not
selected as count source when pulse output function is selected.
Note 3: This bit is valid when only counting an external signal.
Symbol
Address
When reset
TXiMR(i = 0 to 2) 039716 to 039916
0016
W
R
b7
b6
b5
b4 b3
b2
b1
b0
Operation mode select bit
0 1 : Event counter mode (Note 1)
b1 b0
TMOD0
MR0
Pulse output function
select bit
0 : Pulse is not output
(TXiINOUT pin is a normal port pin)
1 : Pulse is output (Note 2)
(TXiINOUT pin is a pulse output pin)
Count polarity
select bit (Note 3)
MR2
MR1
MR3
0 (Must always be fixed to “0” in event counter mode)
TCK0
Count operation type
select bit
01
0
0 : Counts external signal's falling edge
1 : Counts external signal's rising edge
0 : Reload type
1 : Free-run type
Bit symbol
Bit name
Function
RW
TCK1
TMOD1
Invalid in event counter mode.
Can be “0” or “1”.
Invalid in event counter mode.
Can be “0” or “1”.
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相关代理商/技术参数
参数描述
M30201F4T-XXXFP 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY
M30201F4T-XXXSP 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY
M30201F4-XXXFP 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY
M30201F4-XXXSP 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY
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