Datasheet

213
32072H–AVR32–10/2012
AT32UC3A3
15.7.1 Setup Register
Register Name: SETUP
Access Type: Read/Write
Offset: 0x00 + CS_number*0x10
Reset Value: 0x01010101
• NCSRDSETUP: NCS Setup Length in READ Access
In read access, the NCS signal setup length is defined as:
• NRDSETUP: NRD Setup Length
The NRD signal setup length is defined in clock cycles as:
• NCSWRSETUP: NCS Setup Length in WRITE Access
In write access, the NCS signal setup length is defined as:
• NWESETUP: NWE Setup Length
The NWE signal setup length is defined as:
31 30 29 28 27 26 25 24
––
NCSRDSETUP
23 22 21 20 19 18 17 16
––
NRDSETUP
15 14 13 12 11 10 9 8
––
NCSWRSETUP
76543210
––
NWESETUP
NCS Setup Length in read access 128 NCSRDSETUP 5[] NCSRDSETUP 4:0[]+×() clock cycles=
NRD Setup Length 128 NRDSETUP 5[] NRDSETUP 4:0[]+×() clock cycles=
NCS Setup Length in write access 128 NCSWRSETUP 5[] NCSWRSETUP 4:0[]+×() clock cycles=
NWE Setup Length 128 NWESETUP 5[] NWESETUP 4:0[]+×() clock cycles=