Table 49. I2S slave mode timing (full voltage range) Num Description Min. Max. U" />
參數(shù)資料
型號: MK20DX256ZVLQ10
廠商: Freescale Semiconductor
文件頁數(shù): 60/75頁
文件大?。?/td> 0K
描述: IC ARM CORTEX MCU 256KB 144LQFP
標準包裝: 300
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,USB,USB OTG
外圍設備: DMA,I²S,LVD,POR,PWM,WDT
輸入/輸出數(shù): 100
程序存儲器容量: 256KB(256K x 8)
程序存儲器類型: 閃存
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 33x16b,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
Table 49. I2S slave mode timing (full voltage range)
Num
Description
Min.
Max.
Unit
Operating voltage
1.71
3.6
V
S11
I2S_BCLK cycle time (input)
8 x tSYS
ns
S12
I2S_BCLK pulse width high/low (input)
45%
55%
MCLK period
S13
I2S_FS input setup before I2S_BCLK
10
ns
S14
I2S_FS input hold after I2S_BCLK
3.5
ns
S15
I2S_BCLK to I2S_TXD/I2S_FS output valid
28.6
ns
S16
I2S_BCLK to I2S_TXD/I2S_FS output invalid
0
ns
S17
I2S_RXD setup before I2S_BCLK
10
ns
S18
I2S_RXD hold after I2S_BCLK
2
ns
6.9 Human-machine interfaces (HMI)
6.9.1 TSI electrical specifications
Table 50. TSI electrical specifications
Symbol
Description
Min.
Typ.
Max.
Unit
Notes
VDDTSI
Operating voltage
1.71
3.6
V
CELE
Target electrode capacitance range
1
20
500
pF
fREFmax
Reference oscillator frequency
5.5
12.7
MHz
fELEmax
Electrode oscillator frequency
0.5
4.0
MHz
CREF
Internal reference capacitor
0.5
1
1.2
pF
VDELTA
Oscillator delta voltage
100
600
760
mV
IREF
Reference oscillator current source base current
1uA setting (REFCHRG=0)
32uA setting (REFCHRG=31)
1.133
36
1.5
50
μA
3 , 5
IELE
Electrode oscillator current source base current
1uA setting (EXTCHRG=0)
32uA setting (EXTCHRG=31)
1.133
36
1.5
50
μA
3 , 6
Pres5
Electrode capacitance measurement precision
8.3333
38400
fF/count
Pres20
Electrode capacitance measurement precision
8.3333
38400
fF/count
Pres100
Electrode capacitance measurement precision
8.3333
38400
fF/count
MaxSens Maximum sensitivity
0.003
12.5
fF/count
Res
Resolution
16
bits
TCon20
Response time @ 20 pF
8
15
25
μs
ITSI_RUN
Current added in run mode
55
μA
ITSI_LP
Low power mode current adder
1.3
2.5
μA
1. The TSI module is functional with capacitance values outside this range. However, optimal performance is not guaranteed.
2. CAPTRM=7, DELVOL=7, and fixed external capacitance of 20 pF.
Peripheral operating requirements and behaviors
K20 Sub-Family Data Sheet Data Sheet, Rev. 7, 02/2013.
Freescale Semiconductor, Inc.
63
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