參數(shù)資料
型號(hào): MCZ33793AEF
廠商: 飛思卡爾半導(dǎo)體(中國(guó))有限公司
英文描述: Distributed System Interface (DSI) Sensor Interface
中文描述: 分布式系統(tǒng)接口(DSI)傳感器接口
文件頁(yè)數(shù): 21/27頁(yè)
文件大?。?/td> 276K
代理商: MCZ33793AEF
Analog Integrated Circuit Device Data
Freescale Semiconductor
21
33793
FUNCTIONAL DEVICE OPERATION
DSI COMMANDS AND RESPONSES
REVERSE INITIALIZATION RESPONSE
This response message is sent during the next message
following a valid Reverse Initialization command to the
addressed device. The response is shown in
Table 28
. Since
this is a long-word only command, the short-word response is
invalid. No response is generated if the command address
field was $0.
Legend
A[3:0] = Address bits. These bits are the slave address. For
programmable devices these bits are all set to zero. For pre-
programmed devices these bits contain the pre-programmed
address and must match the PA[3:0] bits.
G[1:0] = Group bits. These bits are the group number for the slave.
These bits are not used by this device and should be set to “0”.
PA[3:0] = Program Address bits. These bits are the address that is
to be stored into the slave’s address register.
NV = Nonvolatile Memory Write. When set to a one, this bit allows a
subsequent NVM command to store a nonvolatile address. When set to a
zero, NVM programming is disallowed. Once a permanent address has
been stored in the device, setting the NV bit to a one has no effect.
X[3:0] = Cyclic Redundancy Check (CRC). The CRC as calculated by the
master.
Table 27. Reverse Initialization Command Format
Table 28. Reverse Initialization Response Format
High Byte
Low Byte
CRC
A3
A2
A1
A0
0
0
0
BF
NV
BS
G1
G0
PA3
PA2
PA1
PA0
X3
X2
X1
X0
Legend
A[3:0] = Address bits.The slave address.
BF = Bus Fault. BUSIN short to battery detected.
BS = Controls closing of the Bus Switch (1=close).
G[1:0] = Group bits. Not used on this part, will be set to “0”. The
group number programmed into the slave.
NV = Nonvolatile Memory Write. The value of the NV bit in the slave.
PA[3:0] = Bus Address to set the device to.
X[3:0] = Cyclic Redundancy Check (CRC). The CRC as calculated by the
slave.
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