參數(shù)資料
型號: ST75C530FP-A
廠商: 意法半導體
英文描述: SUPER INTEGRATED DEVICESWITH DSP, AFE & MEMORIES FORTELEPHONY,MODEM, FAXOVERINTERNET& POTSLINES
中文描述: 超級綜合DEVICESWITH數(shù)字信號處理器,模擬前端
文件頁數(shù): 36/84頁
文件大小: 599K
代理商: ST75C530FP-A
MR
Opcode:
Memory Read
MR
10
0
0
0
1
0
0
0
0
Synopsis
MRallowsthereadingof a16-bitparameter.Theparameterspecifiestheparameteraddress.
Parameters
Field
Byte
1
2
Pos.
7..0
7..0
Value
Definition
MR_ADDR_L
MR_ADDR_H
Low byte of the 16-bit address
High byte of the 16-bit address
MRI
Opcode:
MemoryRead Indirect
MRI
28
0
0
1
0
1
0
0
0
Synopsis
MRIallows the reading of a 16-bitparameter.The parameterspecifies an indirectaddress.
Refer to the “RAM Mapping Application Note” (delivered on request according to revision
number). The advantageto use MRI insteadof MR is that the Indirect Address is constant
overthe differentrelease of the product.
Parameters
Field
Byte
1
Pos.
7..0
Value
Definition
MRI_IADDR
Indirect Address
MRLO
Opcode:
MemoryRead Low Word
MRLO
29
0
0
1
0
1
0
0
1
Synopsis
MRLOallows thereadingof thememorylocationwhichaddresscoresponds totheprevious
MR or MRI Absolute Adress minus 1. This command must be preceded by a MR or MRI
command. This command does not have any parameter. The double word reading is
executedby the MR or MRIprevious command.
MW
Opcode:
MemoryWrite
MW
12
0
0
0
1
0
0
1
0
Synopsis
MW allows the writing of a 16-bit parameter.The parameter specifies the address as well
as the value to be transferred.
Parameters
Field
Byte
1
2
3
4
Pos.
7..0
7..0
7..0
7..0
Value
Definition
MW_ADDR_L
MW_ADDR_H
MW_VALUE_L
MW_VALUE_H
Low byte of the 16-bit address
High byte of the 16-bit address
Low byte of the 16-bit value
High byte of the 16-bit value
VII - COMMAND SET DESCRIPTION
(continued)
ST75C530 - ST75C540
36/84
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