TSS461C datasheet(40/57 Pages) ATMEL

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TSS461C

4193G–AUTO–12/04

Figure 22. Message Buffer Structure for Transmission

Message Status (Pointed

by: Message Pointer

(no significant value in case of message to be transmitted)

RRAK: Received RAK Bit

This bit is the RAK bit coming from the COM field of the received frame.

RRNW: Received RNW Bit

This bit is the RNW bit coming from the COM field of the received frame.

RRTR: Received RTR Bit

This bit is the RTR bit coming from the COM field of the received frame.

RM_L[4:0]: Message Length of

the Received Frame

If the DATA field of the received frame included DATA0 to DATAn, RM_L[4:0] = n+1,

even if the reserved length (Message Length & Status Register) is larger.

CHER CHTx CHRx

Message Pointer Register

DRAK

M_P [6..0]

Message Length & Status Register

M_L [4..0]

DATA 0

Message

ID [11..0]

SOF

DATA 0

DATA n

FCS

EOF

Transmitted DATA Frame

transmitted

DATA n

transmitted

M_P + 0x80 + n + 2

M_P + 0x80

(nothing)

7654321

RRAK

RRNW

RRTR

RM_L4

RM_L3

RM_L2

RM_L1

RM_L0

TSS461C Datasheet(PDF) 40 Page - ATMEL Corporation

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