參數(shù)資料
型號(hào)： AS8530-ASOT-002-500
廠商： ams
文件頁(yè)數(shù)： 20/33頁(yè)
文件大?。?/td> 0K
描述： IC TXRX LIN COMPANION 8-SOIC
標(biāo)準(zhǔn)包裝： 500
系列： *
Revision 1.1
26 - 32
AS8530
Datasheet - Application In form atio n
8.8 Control and Diagnosis Registers
The serial interface can be used as interface between the ASSP AS8530 and an external micro-controller. The interface is a slave and only the
micro-controller can start the communication. This interface will be used for device configuration, entering into test mode and carrying out
diagnostic options. Refer to Table 8 for details on the configuration registers.
8.8.1 Definition of Control and Status Registers
A total of 32 control, diagnosis and test registers, each of 8-bit can be accessed using the 2-wire serial interface. Table 8 provides a description
of all control and status registers.
Table 8. Configuration Registers
Address
Register Name
POR Value
RD / WR
Description
Control and Configuration Register
0 x 03
Device Configuration
Register
On POR_VCC
0000_1111
RD / WR
D0 Reserved
D1 Reserved
D2 Reserved
D3 Enable / Disable LIN Transceiver
0
Disabled
1
Enabled
D7…D4 Reserved
0 x 04
Device Control Register On POR_VSUP
0000_0001
RD / WR D7... D1 Reserved
0 x 05
Temporary Shutdown
Register
On POR_VCC
0000_0000
RD / WR
D0 Temporary shutdown control bit
0
No Temporary shutdown
1
Enter into Temporary shutdown
D7…D1 Reserved
0 x 06
Window Watch Dog
Trigger Register
On POR_VCC
0000_0000
WR
D0 Window Watch Dog Trigger
This bit will be set by MCU to indicate trigger event. If this trigger
occurs outside the Window of Watch dog counter, then RESET signal
is asserted. Also on this trigger WWD counter is restarted and this bit
will be cleared internally within 2 cycles of 128KHz clock.
D7 … D1 Reserved
0 x 07
Low Side Driver Data
Register
On POR_VCC
0000_0000
RD / WR D7 … D0 Reserved
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