參數(shù)資料
型號: MC33389CDH
廠商: Freescale Semiconductor
文件頁數(shù): 31/49頁
文件大小: 0K
描述: IC SYSTEM BASIS W/CAN 20-HSOP
標準包裝: 30
控制器類型: 系統(tǒng)基礎(chǔ)芯片(SBC),CAN
接口: SPI 串行
電源電壓: 5V
電流 - 電源: 3.5mA
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 20-SOIC(0.433",11.00mm 寬)裸露焊盤
供應商設(shè)備封裝: 20-HSOP
包裝: 管件
Analog Integrated Circuit Device Data
Freescale Semiconductor
37
33389
FUNCTIONAL DEVICE OPERATION
LOGIC COMMANDS AND REGISTERS
This register configures the wake-up level for the L0, L1, and L2 inputs. It reports the CAN wake-up and SPI (CS) wake-up
events during the Read operation.
This register reads back the wake input (L0, L1, L2) causing the SBC to wake-up.
Table 27. GSLR Bit Definition
GSLR1
GSLR0
Typical Ground Shift Level
0
0.7 V
0
1
-1.2 V
1
0
-1.7 V
1
-2.2 V
SHIFT
1 = Ground shift above the threshold selected by GSLR1 and GSLR2
0 = No ground shift
The SHIFT information is latched until a read operation of the GSLR register occurs. The GSLR register is set to 0 after power-ON
reset. A reset of GSLR1 and GSLR0 occurs when RST = Low.
TXDOM
0 = No failure on TX
1 = TX permanent dominant
Table 28. Wake-Up Input Control Register (WUICR)
Address
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
WUICR
$00C
R
SPIWU
BUSWU
WUCR1
WUICR0
W
RESET
0
Table 29. WUICR Bit Definition
WUICR1
WUICR0
Description
0
Wake-Up Inputs Disabled
0
1
Positive Edge Sensitive
1
0
Negative Edge Sensitive
1
Positive and Negative Sensitive
Table 30. WUICR Bit Definition
SPIWU
BUSWU
Description
0
No Wake-Up Events
0
1
Wake-Up Event on CAN Bus
1
0
Wake-Up Event on SPI Bus
The information is SPIWU and BUSWU is latched. Bits SPIWU and BUSWU will be reset by a read operation of the WUICR
register and are set to 0 after a power-ON reset. A reset of WUICR1 and WUICR0 occurs when RST = Low.
Table 31. Wake-Up Input Status Register (WUISR)
Address
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
WUISR
$00F
R
WUISR2
WUISR1
WUISR0
W
RESET
0
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