at91sam9g20-cu ATMEL Corporation, at91sam9g20-cu Datasheet - Page 194

• Manufacturer Part Number: at91sam9g20-cu
• Description: At91 Arm Thumb Microcontrollers
• Manufacturer: ATMEL Corporation

21.14.1
Register Name:SMC_SETUP[0 ..7]
Access Type:Read-write
• NWE_SETUP: NWE Setup Length
The NWE signal setup length is defined as:
NWE setup length = (128* NWE_SETUP[5] + NWE_SETUP[4:0]) clock cycles
• NCS_WR_SETUP: NCS Setup Length in WRITE Access
In write access, the NCS signal setup length is defined as:
NCS setup length = (128* NCS_WR_SETUP[5] + NCS_WR_SETUP[4:0]) clock cycles
• NRD_SETUP: NRD Setup Length
The NRD signal setup length is defined in clock cycles as:
NRD setup length = (128* NRD_SETUP[5] + NRD_SETUP[4:0]) clock cycles
• NCS_RD_SETUP: NCS Setup Length in READ Access
In read access, the NCS signal setup length is defined as:
NCS setup length = (128* NCS_RD_SETUP[5] + NCS_RD_SETUP[4:0]) clock cycles
194
31
23
15
–
–
–
7
–
AT91SAM9G20 Preliminary
SMC Setup Register
30
22
14
–
–
–
6
–
29
21
13
5
28
20
12
4
27
19
11
3
NCS_WR_SETUP
NCS_RD_SETUP
NWE_SETUP
NRD_SETUP
26
18
10
2
25
17
9
1
6384B–ATARM–15-Dec-08
24
16
8
0