參數(shù)資料
型號(hào): HS4339ESS01H
廠商: Hitachi,Ltd.
英文描述: 4-bit HMCS400-Series microcomputer with large-capacity memory
中文描述: 4位HMCS400系列的大容量存儲(chǔ)器微機(jī)
文件頁數(shù): 37/78頁
文件大?。?/td> 337K
代理商: HS4339ESS01H
HD404339 Series
37
Timers
The MCU has three built-in timers A, B, and C. The functions of each timer are listed in table 7.
Timer A
Timer A is an 8-bit free-running timer that can also be used as a clock time-base with a 32.768-kHz
subsystem oscillator. Timer A has the following features:
One of eight internal clocks can be selected from prescaler S according to the setting of timer mode
register A (TMA: $008)
In time-base mode, one of five internal clocks can be selected from prescaler W according to the setting
of timer mode register A
An interrupt request can be generated when timer counter A (TCA) overflows
Input clock frequency must not be modified during timer A operation
Table 7
Timer Functions
Functions
Timer A
Timer B
Timer C
Clock source
Prescaler S
Available
Available
Available
Prescaler W
Available
External event
Available
Timer functions
Free-running
Available
Available
Available
Time base
Available
Event counter
Available
Reload
Available
Available
Watchdog
Available
Input capture
Available
Timer output
PWM
Available
相關(guān)PDF資料
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HS574AK 12-Bit Sampling A/D Converters
HS574AL 12-Bit Sampling A/D Converters
HS574AS 12-Bit Sampling A/D Converters
HS574AT 12-Bit Sampling A/D Converters
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