6. Cb = total capacitance of the one bus line in pF. SDA SCL t" />
參數(shù)資料
型號: PK30X256VLQ100
廠商: Freescale Semiconductor
文件頁數(shù): 53/74頁
文件大小: 0K
描述: IC ARM CORTEX MCU 256K 144-LQFP
產(chǎn)品培訓模塊: Kinetis® Cortex-M4 Microcontroller Family
標準包裝: 1
系列: Kinetis
核心處理器: ARM? Cortex?-M4
芯體尺寸: 32-位
速度: 100MHz
連通性: CAN,EBI/EMI,I²C,IrDA,SDHC,SPI,UART/USART
外圍設備: DMA,I²S,LCD,LVD,POR,PWM,WDT
輸入/輸出數(shù): 102
程序存儲器容量: 256KB(256K x 8)
程序存儲器類型: 閃存
EEPROM 大?。?/td> 4K x 8
RAM 容量: 64K x 8
電壓 - 電源 (Vcc/Vdd): 1.71 V ~ 3.6 V
數(shù)據(jù)轉換器: A/D 37x16b,D/A 2x12b
振蕩器型: 內部
工作溫度: -40°C ~ 105°C
封裝/外殼: 144-LQFP
包裝: 托盤
6. Cb = total capacitance of the one bus line in pF.
SDA
SCL
tHD; STA
tHD; DAT
tLOW
tSU; DAT
tHIGH
tSU; STA
SR
P
S
tHD; STA
tSP
tSU; STO
tBUF
tf
tr
tf
tr
Figure 23. Timing definition for fast and standard mode devices on the I2C bus
6.8.5 UART switching specifications
6.8.6 SDHC specifications
The following timing specs are defined at the chip I/O pin and must be translated
appropriately to arrive at timing specs/constraints for the physical interface.
Table 43. SDHC switching specifications
Num
Symbol
Description
Min.
Max.
Unit
Card input clock
SD1
fpp
Clock frequency (low speed)
0
400
kHz
fpp
Clock frequency (SD\SDIO full speed\high speed)
0
25\50
MHz
fpp
Clock frequency (MMC full speed\high speed)
0
20\50
MHz
fOD
Clock frequency (identification mode)
0
400
kHz
SD2
tWL
Clock low time
7
ns
SD3
tWH
Clock high time
7
ns
SD4
tTLH
Clock rise time
3
ns
SD5
tTHL
Clock fall time
3
ns
SDHC output / card inputs SDHC_CMD, SDHC_DAT (reference to SDHC_CLK)
SD6
tOD
SDHC output delay (output valid)
-5
8.3
ns
SDHC input / card inputs SDHC_CMD, SDHC_DAT (reference to SDHC_CLK)
SD7
tISU
SDHC input setup time
5
ns
SD8
tIH
SDHC input hold time
0
ns
Peripheral operating requirements and behaviors
K30 Sub-Family Data Sheet Data Sheet, Rev. 7, 02/2013.
Freescale Semiconductor, Inc.
57
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