参数资料
型号: MC33793D
厂商: Freescale Semiconductor
文件页数: 14/27页
文件大小: 0K
描述: IC DSI SLAVE FOR R-SENSE 16-SOIC
标准包装: 48
类型: 分布式系统接口
输入类型: 逻辑
输出类型: 逻辑
接口: 并联
安装类型: 表面贴装
封装/外壳: 16-SOIC(0.154",3.90mm 宽)
供应商设备封装: 16-SOIC N
包装: 管件
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.
Table 27. Reverse Initialization Command Format
Data
Address
Command
CRC
NV
BS
G1
G0
PA3
PA2
PA1
PA0
A3
A2
A1
A0
1
X3
X2
X1
X0
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 28. Reverse Initialization Response Format
High Byte
Low Byte
CRC
A3
A2
A1
A0
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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