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| 型号： | R5F3651KDFC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | MICROCONTROLLER, PQFP128 |
| 封装： | 20 X 14 MM, 0.50 MM PITCH, LQFP-128 |
| 文件页数： | 25/81页 |
| 文件大小： | 879K |
| 代理商： | R5F3651KDFC |
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43
4317K–AVR–03/2013
AT90PWM2/3/2B/3B
Notes:
1. Only recommended with external crystal or resonator selected as clock source.
2. Only level interrupt.
8.6
Power Reduction Register
The Power Reduction Register, PRR, provides a method to stop the clock to individual peripher-
als to reduce power consumption. The current state of the peripheral is frozen and the I/O
registers can not be read or written. Resources used by the peripheral when stopping the clock
will remain occupied, hence the peripheral should in most cases be disabled before stopping the
clock. Waking up a module, which is done by clearing the bit in PRR, puts the module in the
same state as before shutdown.
A full predictible behaviour of a peripheral is not guaranteed during and after a cycle of stopping
and starting of its clock. So its recommended to stop a peripheral before stopping its clock with
PRR register.
Module shutdown can be used in Idle mode and Active mode to significantly reduce the overall
power consumption. In all other sleep modes, the clock is already stopped.
8.6.1
Power Reduction Register - PRR
Note:
PRPSC1 is not used on AT90PWM2/2B
Bit 7 - PRPSC2: Power Reduction PSC2
Writing a logic one to this bit reduces the consumption of the PSC2 by stopping the clock to this
module. When waking up the PSC2 again, the PSC2 should be re initialized to ensure proper
operation.
Table 8-2.
Active Clock Domains and Wake-up Sources in the Different Sleep Modes.
Active Clock Domains
Oscillator
s
Wake-up Sources
Sleep
Mode
clk
CPU
clk
FLASH
clk
IO
clk
ADC
clk
PLL
Ma
in
Clo
c
k
Sour
ce
Enab
led
INT
3
..
0
PSC
SPM/E
EPR
OM
Rea
d
y
ADC
WD
T
Ot
herI/
O
Idle
XXX
X
ADC
Noise
Reduction
XX
X
X(2)
XX
X
Power-
down
X(2)
XX
Standby(1)
XX(2)
X
Bit
7
6
543
2
1
0
PRPSC2
PRPSC1(
PRPSC0
PRTIM1
PRTIM0
PRSPI
PRUSART
PRADC
PRR
Read/Write
R/W
Initial Value
0
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相关代理商/技术参数 |
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|---|---|
| R5F3651KDFC#U0 | 功能描述:MCU 4KB FLASH 384/16K 128-LQFP RoHS:否 类别:集成电路 (IC) >> 嵌入式 - 微控制器， 系列:M16C™ M16C/60/65 产品培训模块:CAN Basics Part-1 CAN Basics Part-2 Electromagnetic Noise Reduction Techniques Part 1 M16C Product Overview Part 1 M16C Product Overview Part 2 标准包装:1 系列:M16C™ M32C/80/87 核心处理器:M32C/80 芯体尺寸:16/32-位 速度:32MHz 连通性:EBI/EMI，I²C，IEBus，IrDA，SIO，UART/USART 外围设备:DMA，POR，PWM，WDT 输入/输出数:121 程序存储器容量:384KB（384K x 8） 程序存储器类型:闪存 EEPROM 大小:- RAM 容量:24K x 8 电压 - 电源 (Vcc/Vdd):3 V ~ 5.5 V 数据转换器:A/D 34x10b，D/A 2x8b 振荡器型:内部 工作温度:-20°C ~ 85°C 封装/外壳:144-LQFP 包装:托盘 产品目录页面:749 (CN2011-ZH PDF) 配用:R0K330879S001BE-ND - KIT DEV RSK M32C/87 |
| R5F3651KNFC | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:This MCU consumes low power, and supports operating modes |
| R5F3651MCDFC | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:televisions, household appliances, office equipment, communication devices |
| R5F3651MCDFC#V0 | 制造商:Renesas Electronics Corporation 功能描述:M16C/65C 528+8/31 128LQFP 14X20 -40 TO +85 - Trays 制造商:Renesas Electronics Corporation 功能描述:IC MCU 16BIT 512KB FLASH 128LQFP |
| R5F3651MCNFC | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:televisions, household appliances, office equipment, communication devices |
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