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參數(shù)資料
| 型號： | LH79525N0Q100A1 |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | 數(shù)學處理器 |
| 英文描述： | System-on-Chip |
| 封裝： | LH79524N0F100A1<SOT1019-1 (LFBGA208)|<<http://www.nxp.com/packages/SOT1019-1.html<1<Always Pb-free,;LH79525N0Q100A1<SOT1017-1 (LQFP176)|<<http://www.nxp.com/packages/SOT1 |
| 文件頁數(shù)： | 24/64頁 |
| 文件大小： | 970K |
| 代理商： | LH79525N0Q100A1 |
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LH79524/LH79525
System-on-Chip
24
Rev. 01
—
16 July 2007
Preliminary data sheet
NXP Semiconductors
Reset, Clock, and Power Controller
(RCPC)
The RCPC generates the various clock signals for
the operation of the LH79524/LH79525 and provides for
an orderly start-up after power-on and during a wake-up
from one of the power saving operating modes. The
RCPC allows the software to individually select the fre-
quency of the various on-chip clock signals as required
to operate the chip in the most power-efficient mode.
The maximum speeds of the various clocks in the SoC
are shown in Table 11. More detailed descriptions of
each clock appear in the User’s Guide.
The RCPC features:
10 - 20 MHz crystal oscillator and PLL for on-chip
Clock generation (11.2896 MHz recommended)
External Clock input if on-chip oscillator and PLL are
not used
32.768 kHz crystal oscillator generating 1 Hz clock
for Real Time Clock
Individually controlled clocks for peripherals and CPU
Programmable clock prescalers for UARTs and PWMs
Five global power control modes are available:
– Active
– Standby
– Sleep
– Stop1
– Stop2
CPU/Bus clock frequency can be changed on the fly
Selectable clock output
Hardware reset (nRESETIN) and software reset.
Real Time Clock
The RTC provides an alarm or long time base
counter. An interrupt is generated following counting a
programmed number of one-second periods. The 1 Hz
RTC clock is internally derived. The RTC features:
32-bit up counter with programmable load
Programmable 32-bit match compare register
Software maskable interrupt when counter and com-
pare registers are identical.
RTC input clock sources:
PLL clock
32.768 kHz clock
1 Hz clock (default).
18
ADC Pen IRQ
19
CLCD Combined Interrupt
20
DMA Stream 0
21
DMA Stream 1
22
DMA Stream 2
23
DMA Stream 3
SSP I
2
S Interrupt
24
25
Ethernet Interrupt
26
USB Interrupt
27
UART 0 Interrupt
28
UART 1 Interrupt
29
UART 2 Interrupt
30
USB DMA Interrupt
I
2
C Interrupt
31
Table 10. Interrupt Channels (Cont’d)
CHANNEL
INTERRUPT SOURCE
Table 11. Maximum Clock Speeds
NAME
FREQUENCY
(MAX.)
Oscillator Clock (CLK OSC)
20.0 MHz
PLL System Clock (CLK PLL)
304.819 MHz
PLL USB Clock
48.0 MHz
32.768 kHz Oscillator Clock
32.768 kHz
AHB Clock (HCLK)
50.803 MHz
AHB Fast CPU Clock (FCLK CPU)
76.205 MHz
Ethernet Clock
50.803 MHz
DMA Clock
50.803 MHz
External Memory Controller Clock
50.803 MHz
SSP Clock
50.803 MHz
CLCD Clock
50.803 MHz
UART[2:0] Clock
20.0 MHz
RTC Clock
1.0 Hz
Table 12. Clock Activity for Different Power Modes
DEVICE
ACTIVE STANDBY SLEEP STOP1 STOP2
RTC 32 kHz
Oscillator
ON
ON
ON
ON
ON
10 - 20 MHz
Oscillator
ON
ON
ON
ON
OFF
PLL
ON
ON
ON
OFF
OFF
Peripheral
Clock
ON
ON
OFF
OFF
OFF
CPU Clock
ON
OFF
OFF
OFF
OFF
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LH79525N0Q100A1,55 | 功能描述:ARM微控制器 - MCU LCD,USB,ETH’NET,MMU,ADC,QFP176 RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 處理器系列:STM32F373xx 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:72 MHz 程序存儲器大小:256 KB 數(shù)據(jù) RAM 大小:32 KB 片上 ADC:Yes 工作電源電壓:1.65 V to 3.6 V, 2 V to 3.6 V, 2.2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:LQFP-48 安裝風格:SMD/SMT |
| LH79525N0Q100A1,551 | 制造商:NXP Semiconductors 功能描述: |
| LH79525N0Q100A1;55 | 功能描述:ARM微控制器 - MCU LCD USB ETH’NET MMU RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 處理器系列:STM32F373xx 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:72 MHz 程序存儲器大小:256 KB 數(shù)據(jù) RAM 大小:32 KB 片上 ADC:Yes 工作電源電壓:1.65 V to 3.6 V, 2 V to 3.6 V, 2.2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:LQFP-48 安裝風格:SMD/SMT |
| LH79525N0Q100A155 | 制造商:Rochester Electronics LLC 功能描述: 制造商:NXP 功能描述: 制造商:NXP Semiconductors 功能描述: |
| LH79525N0Q100A1557 | 制造商:Rochester Electronics LLC 功能描述: 制造商:NXP 功能描述: 制造商:NXP Semiconductors 功能描述: |
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