Rainbow-electronics ATmega64M1 Manuel d'utilisateur télécharger pdf (Page 218)

218

8209A–AVR–08/09

ATmega16M1/32M1/64M1

10. LINDAT:

- All bits are in R/W accessible,

- Note that LAINC

has no more effect on the auto-incrementation and the access to the

full FIFO is done setting LINDX[2..0] of LINSEL.

Note: When a debugger break occurs, the state machine of the LIN/UART controller is stopped

(included frame time-out) and further communication may be corrupted.

21.6 Register Description

21.6.1 LINCR – LIN Control Register

• Bit 7 - LSWRES: Software Reset

– 0 = No action,

– 1 = Software reset (this bit is self-reset at the end of the reset procedure).

• Bit 6 - LIN13: LIN 1.3 mode

– 0 = LIN 2.1 (default),

– 1 = LIN 1.3.

• Bit 5:4 - LCONF[1:0]: Configuration

The configuration settings for LIN and UART mode are shown in Table 21-5 and Table 21-6.

Note: 1. Default

Bit 76543210

LSWRES LIN13 LCONF1 LCONF0 LENA LCMD2 LCMD1 LCMD0

LINCR

Read/Write R/W R/W R/W R/W R R/W R/W R/W

Initial Value00000000

Table 21-5. LIN Mode Configuration

LCONF[1:0] Mode

(1)

LIN Standard configuration (listen mode “off”, CRC “on” & Frame_Time_Out

“on”

01 No CRC, no Time out (listen mode “off”)

10 No Frame_Time_Out (listen mode “off” & CRC “on”)

11 Listening mode (CRC “on” & Frame_Time_Out “on”)

Table 21-6. UART Mode Configuration

LCONF[1:0] Mode

(1)

8-bit, no parity (listen mode “off”)

8-bit, even parity (listen mode “off”)

10 = 8-bit, odd parity (listen mode “off”)

Listening mode, 8-bit, no parity

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Rainbow-electronics ATmega64M1 Manuel d'utilisateur Page 218