參數(shù)資料
型號: M34518M2-XXXFP
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 6 MHz, MICROCONTROLLER, PQFP32
封裝: 7 X 7 MM, 0.80 MM PITCH, PLASTIC, LQFP-32
文件頁數(shù): 48/157頁
文件大小: 1783K
代理商: M34518M2-XXXFP
ML610Q411/ML610Q412/ML610Q415 User’s Manual
Chapter 10
Timers
10 – 14
10.2.12 Timer 2 Control Register 0 (TM2CON0)
Address: 0F03AH
Access: R/W
Access size: 8 bits
Initial value: 00H(ML610Q415), 0A0H(ML610Q411/ML610Q412)
7
6
5
4
3
2
1
0
TM2CON0
T2FMA7
T2FMA6
T2FMA5
T2FMA4
T23MFM
T23M16
T2CS1
T2CS0
R/W
R
R/W
Initial value
*
0
TM2CON0 is a special function (SFR) to control a timer 2.
Rewrite TM2CON0 while the timer 2 is stopped (T2STAT of the TM2CON1 register is “0”).
[Description of Bits]
T2CS1, T2CS0 (bits 1, 0)
The T2CS1 and T2CS0 bits are used for selecting the operation clock of timer 2. LSCLK, HTBCLK, or the external
clock (P44/T02P0CK) can be selected by these bits.
T2CS1
T2CS0
Description
0
LSCLK (initial value)
0
1
HTBCLK
1
0
Prohibited (timer 2 does not operate)
1
External clock (P44/T02P0CK)
T23MFM, T23M16 (bit 3, 2)
The T23MFM bit and T23M16 bit is used for selecting the operating mode of timer 2 and timer 3..
In 8-bit timer mode, each of timer 0 and timer 1 operates independently as a 8-bit timer.
In 16-bit timer mode, timer 2 and timer 3 are connected and they operate as a 16-bit timer.
In 16-bit timer mode, timer 3 is incremented by a timer 2 overflow signal. A timer 2 interrupt (TM2INT) is not
generated.
In 16-bit timer frequency measurement mode, timer 2 and timer 3 are connected and they operate as a 16-bit clock
counter to measure the frequency. A timer 2 interrupt (TM2INT) is not generated.
T23MFM
T23M16
Description
0
8-bit timer mode (initial value)
0
1
16-bit timer mode
1
0
Prohibited (timer 2 and timer 3 does not operate)
1
16-bit timer frequency measurement mode
T2FMA7~T2FMA4 (bit 7~4)
The T2FMA7 bit ~T2FMA4 bit shows the LSI has the frequency measurement mode.
Those bits are read-only and always return the initial value despite of writing any data.
T2FMA7
T2FMA6
T2FMA5
T2FMA4
Description
0
The frequency measurement mode is Not available.
(ML610Q415)
1
0
1
0
The frequency measurement mode is available.
(ML610Q411/ML610Q412)
Note:
ML610Q415 does not have the frequency measurement mode. The T23MFM bit is read-only and always return “0”
despite of writing any data on the ML610Q415.
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