AVR32AP datasheet(80/181 Pages) ATMEL

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32001A–AVR32–06/06

AVR32

Table 8-1.

TCB signals

Name

Dir

Description

tcb_cmd[7:0]

Out

Value

Semantic

Comment

IDLE

No TCB activity

1write.w

CRd on tcb_cprega

Data to coprocessor on tcb_wdataa

2write.d

CRd+1:CRd on tcb_cprega:tcb_cpregb

Data to coprocessor on

tcb_wdataa:tcb_wdatab

read.w

CRs on tcb_cprega

Data from coprocessor on tcb_rdataa

read.d

CRs+1:CRs on tcb_cprega:tcb_cpregb

Data from coprocessor on

tcb_rdataa:tcb_rdatab

5mtsr

SysRegNo[3:0] on tcb_cprega

SysRegNo[7:4] on tcb_cpno

Data to system register on tcb_wdataa

6mfsr

SysRegNo[3:0] on tcb_cprega

SysRegNo[7:4] on tcb_cpno

Data from system register on tcb_rdataa

7mtdr

DebugRegNo[3:0] on tcb_cprega

DebugRegNo[7:4] on tcb_cpno

Data to debug register on tcb_wdataa

8mfdr

DebugRegNo[3:0] on tcb_cprega

DebugRegNo[7:4] on tcb_cpno

Data from debug register on tcb_rdataa

tlbr

tcb_cpreg* and tcb_cpno not used

tlbs

tcb_cpreg* and tcb_cpno not used

tlbw

tcb_cpreg* and tcb_cpno not used

128-

255

COP opcode

The opcode of the COP instruction.

tcb_cpno[3:0]

Out

Used to address coprocessors or system register blocks. 8 Different

coprocessors and 16 different system register blocks are supported in

AVR32 AP.

Bits 2:0 are used for carrying the coprocessor number for coprocessor

instructions. Bits 3:0 are used for carrying the system register block

address for mt(s,d)r and mf(s,d)r, which is given by SysRegNo[7:4].

AVR32AP Datasheet(PDF) 80 Page - ATMEL Corporation

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