SH7052 datasheet(555/919 Pages) RENESAS

555 / 919 page

529

• MCx[1] Bits 7 to 4—Reserved: The initial value of these bits is undefined; they must be

initialized (by writing 0 or 1).

• MCx[1] Bits 3 to 0: Data Length Code (DLC3 to 0): These bits indicate the required length of

data frames and remote frames.

Bit 3:

DLC3

Bit 2:

DLC2

Bit 1:

DLC1

Bit 0:

DLC0

Description

0000

Data length = 0 bytes

Data length = 1 byte

Data length = 2 bytes

Data length = 3 bytes

Data length = 4 bytes

Data length = 5 bytes

Data length = 6 bytes

Data length = 7 bytes

***

Data length = 8 bytes

*: Don’t care

• MCx[2] Bits 7 to 0—Reserved: The initial value of these bits is undefined; they must be

initialized (by writing 0 or 1).

• MCx[3] Bits 7 to 0—Reserved: The initial value of these bits is undefined; they must be

initialized (by writing 0 or 1).

• MCx[4] Bits 7 to 0—Reserved: The initial value of these bits is undefined; they must be

initialized (by writing 0 or 1).

• MCx[6] Bits 7 to 0: Standard Identifier (STD_ID10 to STD_ID3)

MCx[5] Bits 7 to 5: Standard Identifier (STD_ID2 to STD_ID0)

These bits set the identifier (standard identifier) of data frames and remote frames.

Standard identifier

SOF ID10

ID9

ID8

ID7

ID6

ID5

ID4

ID3

ID2

ID1

ID0

RTR

STD_IDxx

IDE

SRR

Figure 15.3 Standard Identifier

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