參數(shù)資料
型號： M306H3FCFP
元件分類： 微控制器/微處理器
英文描述： 16-BIT, FLASH, 10 MHz, MICROCONTROLLER, PQFP116
封裝： 20 X 20 MM, 0.65 MM PITCH, PLASTIC, LQFP-116
文件頁數(shù)： 78/135頁
文件大小： 2583K
代理商： M306H3FCFP
Rev.1.00
2004.03.23
page 47 of 320
M306H3MC-XXXFP/FCFP
2.5.2 CPU Clock and Peripheral Function Clock
Two type clocks: CPU clock to operate the CPU and peripheral function clocks to operate the peripheral
functions.
(1) CPU Clock and BCLK
These are operating clocks for the CPU and watchdog timer.
The clock source for the CPU clock can be chosen to be the main clock or sub clock.
If the main clock is selected as the clock source for the CPU clock, the selected clock source can be
divided by 1 (undivided), 2, 4, 8 or 16 to produce the CPU clock. Use the CM06 bit in CM0 register and the
CM17 to CM16 bits in CM1 register to select the divide-by-n value.
When the level on the START pin is “H”, the main clock divided by 8 provides the CPU clock after reset.
During memory expansion or microprocessor mode, a BCLK signal with the same frequency as the CPU
clock can be output from the BCLK pin by setting the PM07 bit of PM0 register to “0” (output enabled).
Note that when entering stop mode from high or middle speed mode, or when the CM05 bit of CM0
register is set to “1” (main clock turned off) in low-speed mode, the CM06 bit of CM0 register is set to “1”
(divide-by-8 mode).
(2) Peripheral Function Clock(f1, f2, f8, f32, f1SIO, f2SIO, f8SIO, f32SIO, fAD, fC32)
These are operating clocks for the peripheral functions.
Of these, fi (i = 1, 2, 8, 32) and fiSIO are derived from the main clock by dividing them by i. The clock fi is
used for timers A and B, and fiSIO is used for serial I/O. The f8 and f32 clocks can be output from the
CLKOUT pin.
The fAD clock is produced from the main clock, and is used for the A-D converter.
When the WAIT instruction is executed after setting the CM02 bit of CM0 register to “1” (peripheral
function clock turned off during wait mode), or when the microcomputer is in low power dissipation mode,
the fi, fiSIO and fAD clocks are turned off.
The fC32 clock is produced from the sub clock, and is used for timers A and B. This clock can be used
when the sub clock is on.
Clock Output Function
During single-chip mode, the f8, f32 or fC clock can be output from the CLKOUT pin. Use the CM01 to
CM00 bits of CM0 register to select.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M306H3FCFP#U0 制造商:Renesas Electronics Corporation 功能描述:MCU 16BIT R8C CISC 128KB FLASH 5V 116LQFP - Trays
M306H3MC-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
M306H5FGFP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SNGLE-CHIP 16-BIT CMOS MICROCOMPUTER with DATA ACQUISITION CONTROLLER
M306H5FGFP#U0 功能描述:IC M16C/6H MCU FLASH 116LQFP 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:160 系列:S08 核心處理器:S08 芯體尺寸:8-位 速度:40MHz 連通性:I²C，LIN，SCI，SPI 外圍設(shè)備:LCD，LVD，POR，PWM，WDT 輸入/輸出數(shù):53 程序存儲器容量:32KB（32K x 8） 程序存儲器類型:閃存 EEPROM 大小:- RAM 容量:1.9K x 8 電壓 - 電源 (Vcc/Vdd):2.7 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 12x12b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 105°C 封裝/外殼:64-LQFP 包裝:托盤
M306H5MC-XXXFP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SNGLE-CHIP 16-BIT CMOS MICROCOMPUTER with DATA ACQUISITION CONTROLLER
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