参数资料
型号: KIT33972AEWEVBE
厂商: Freescale Semiconductor
文件页数: 32/32页
文件大小: 0K
描述: KIT EVALUATION FOR MC33972
标准包装: 1
主要目的: 接口,开关探测
嵌入式:
已用 IC / 零件: MC33972
主要属性: 8 可编程输入(电池开关或接地开关)
次要属性: 14 开关至接地输入
已供物品: 板,CD
Analog Integrated Circuit Device Data
Freescale Semiconductor
9
33972
ELECTRICAL CHARACTERISTICS
TIMING DIAGRAMS
TIMING DIAGRAMS
Figure 4. SPI Timing Characteristics
Figure 5. Sleep Mode to Normal Mode Operation
.
Figure 6. Normal Mode Interrupt Operation
tSO(DIS)
0.7 VDD
0.2 VDD
0.7 VDD
0.2 VDD
tLEAD
tSO(EN)
tSI(SU) tSI(HOLD)
tVALID
tLAG
CS
SCLK
SI
SO
MSB IN
MSB OUT
LSB OUT
0.7 VDD
0.2 VDD
VPWR
VDD
WAKE
INT
CS
SGn
Power-up
Sleep
Sleep Mode
Normal
Mode
Sleep Command
Sleep Mode
Normal
Mode
Sleep Command
Wake-up From Interrupt
Timer Expire
Wake-up From
Closed Switch
Command
Normal Mode
Tri-state
Command
(Disable
Tri-state)
INT
CS
SGn
Switch open
1
SGn Bit in SPI Word
Switch closed
1
0
1
Switch
Command
0
on falling edge of CS
Latch switch status
Switch state change with
CS LOW generates INT
Switch state change with
CS LOW generates INT
Rising edge of CS does not
clear INT because state change
occurred while CS was LOW
Status
Switch
Command
Status
Switch
Command
Status
Switch
Command
Status
Switch
Command
Status
Switch
Command
Status
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