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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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NRF51822-CFAB-R 数据表(PDF) 49 Page - Nordic Semiconductor |
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NRF51822-CFAB-R 数据表(HTML) 49 Page - Nordic Semiconductor |
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49 / 130 page  Page 49 nRF51822 Product Specification v3.3 8.3 Block resource requirements Table 33 Clock and power requirements for different blocks 8.4 CPU Table 34 CPU specifications Block ID Resource requirements Comment 1V2 HFCLK1 1. HFCLK could be one of the following; RC16M, XO16M, or XO32M. LFCLK 1V7 Radio 1 x x Requires HFCLK XOSC. UART 2 x x When receiver or transmitter are STARTed. SPIS 4 x x Requested when CSN asserts. SPI 3, 4 x x TWI 3, 4 x x GPIOTE 6 x x Only in input mode. ADC 7 x x Requires HFCLK XOSC. TIMER 8, 9, 10 x Requires 1V2 when a TIMER EVENT is triggered. RTC 11, 17 x HFCLK will be requested if the LFCLK is synthesized from HFCLK. TEMP 12 x x Requires HFCLK XOSC. RNG 13 x x ECB 14 x x WDT 16 x HFCLK will be requested if the LFCLK is synthesized from HFCLK. QDEC 18 x x LPCOMP 19 No resources required. CPU -- x x x Symbol Description Min. Typ. Max. Units Test level ICPU, FLASH Run current at 16 MHz (XOSC). Executing code from flash memory. 4.11 1. Includes CPU, flash, 1V2, 1V7, RC16M. mA 2 ICPU, RAM Run current at 16 MHz (XOSC). Executing code from RAM. 2.42 2. Includes CPU, RAM, 1V2, RC16M. mA 1 ISTART, CPU CPU startup current. 600 μA 1 tSTART, CPU IDLE to CPU execute. 03 3. t1V2 if 1V2 regulator is not running already. μs 1 |
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