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MEC1322 датащи(PDF) 121 Page - Microchip Technology |
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MEC1322 датащи(HTML) 121 Page - Microchip Technology |
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121 / 456 page ![]() 2014 - 2015 Microchip Technology Inc. DS00001719D-page 121 MEC1322 9.9.4 EC ADDRESS MSB REGISTER 9.9.5 EC DATA BYTE 0 REGISTER 1:0 ACCESS_TYPE This field defines the type of access that occurs when the EC Data Register is read or written. 11b=Auto-increment 32-bit access. 10b=32-bit access. 01b=16-bit access. 00b=8-bit access. Each of these access types are defined in detail in Section 9.8.3, "Access Types". R/W 0h VCC1_R ESET Offset 03h Bits Description Type Default Reset Event 7REGION The field specifies which of two segments in the 32-bit internal address space is to be accessed by the EC_Address[14:2] to gener- ate accesses to the memory. 1= The address defined by EC_Address[14:2] is relative to the base address specified by the Memory Base Address 1 Register. 0= The address defined by EC_Address[14:2] is relative to the base address specified by the Memory Base Address 0 Register. R/W 0h VCC1_R ESET 6:0 EC_ADDRESS_MSB This field defines bits[14:8] of EC_Address. Bits[1:0] of the EC_Ad- dress are always forced to 00b. The EC_Address is aligned on a DWord boundary. It is the address of the memory being accessed by EC Data Byte 0 Register, which is an offset from the programmed base address of the selected REGION. R/W 0h VCC1_R ESET Offset 04h Bits Description Type Default Reset Event 7:0 EC_DATA_BYTE_0 This is byte 0 (Least Significant Byte) of the 32-bit EC Data Register. Use of the Data Byte registers to access EC memory is defined in detail in Section 9.8.2, "EC Data Register". R/W 0h VCC1_R ESET Offset 02h Bits Description Type Default Reset Event |
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