參數(shù)資料
型號(hào): M306H7FGFP
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 16 MHz, MICROCONTROLLER, PQFP100
封裝: 14 X 20 MM, 0.65 MM PITCH, PLASTIC, QFP-100
文件頁(yè)數(shù): 160/180頁(yè)
文件大小: 2820K
代理商: M306H7FGFP
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Rev.2.10
Oct 25, 2006
Page 78 of 326
REJ03B0152-0210
M306H7MG-XXXFP/MC-XXXFP/FGFP
9.TIMERS
9.1.2
Event Counter Mode
In event counter mode, the timer counts pulses from an external device or overflows and underflows of other
timers. Timers A2, A3 and A4 can count two-phase external signals. Table 9.2 lists specifications in event
counter mode (when not processing two-phase pulse signal). Table 9.3 lists specifications in event counter
mode (when processing two-phase pulse signal with the timers A2, A3 and A4). Figure 9.8 shows TAiMR
register in event counter mode (when not processing two-phase pulse signal). Figure 9.9 shows TA2MR to
TA4MR registers in event counter mode (when processing two-phase pulse signal with the timers A2, A3 and
A4).
Table 9.2
Specifications in Event Counter Mode (when not processing two-phase pulse signal)
Item
Specification
Count source
External signals input to TAiIN pin (i=0 to 4) (effective edge can be selected
in program)
Timer B2 overflows or underflows,
timer Aj (j=i-1, except j=4 if i=0) overflows or underflows,
timer Ak (k=i+1, except k=0 if i=4) overflows or underflows
Count operation
Up-count or down-count can be selected by external signal or program
When the timer overflows or underflows, it reloads the reload register con-
tents and continues counting. When operating in free-running mode, the
timer continues counting without reloading.
Divided ratio
1/ (FFFF16 - n + 1) for up-count
1/ (n + 1) for down-count
n : set value of TAi register
000016 to FFFF16
Count start condition
Set TAiS bit of TABSR register to “1” (= start counting)
Count stop condition
Set TAiS bit to “0” (= stop counting)
Interrupt request generation timing Timer overflow or underflow
TAiIN pin function
I/O port or count source input
TAiOUT pin function
I/O port, pulse output, or up/down-count select input
Read from timer
Count value can be read by reading TAi register
Write to timer
When not counting and until the 1st count source is input after counting start
Value written to TAi register is written to both reload register and counter
When counting (after 1st count source input)
Value written to TAi register is written to only reload register
(Transferred to counter when reloaded next)
Select function
Free-run count function
Even when the timer overflows or underflows, the reload register content is
not reloaded to it
Pulse output function
Whenever the timer overflows or underflows, the output polarity of TAiOUT
pin is inverted . When not counting, the pin outputs a low.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M306H7FGFP#U0 功能描述:IC M16C/6H MCU FLASH 100QFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器, 系列:M16C™ M16C/60 標(biāo)準(zhǔn)包裝:250 系列:56F8xxx 核心處理器:56800E 芯體尺寸:16-位 速度:60MHz 連通性:CAN,SCI,SPI 外圍設(shè)備:POR,PWM,溫度傳感器,WDT 輸入/輸出數(shù):21 程序存儲(chǔ)器容量:40KB(20K x 16) 程序存儲(chǔ)器類型:閃存 EEPROM 大小:- RAM 容量:6K x 16 電壓 - 電源 (Vcc/Vdd):2.25 V ~ 3.6 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 6x12b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 125°C 封裝/外殼:48-LQFP 包裝:托盤(pán) 配用:MC56F8323EVME-ND - BOARD EVALUATION MC56F8323
M306H7MC-XXXFP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with DATA ACQUISITION CONTROLLER
M306H7MG-XXXFP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with DATA ACQUISITION CONTROLLER
M306K7F8LRP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
M306K9FCLRP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER