at32ap7002 ATMEL Corporation, at32ap7002 Datasheet - Page 29

• Manufacturer Part Number: at32ap7002
• Description: Avr 32 32-bit Microcontroller
• Manufacturer: ATMEL Corporation

7.7.5
7.7.5.1
Name:
Access Type:
32054DS–AVR32–10/07
31
23
15
–
–
–
7
–
IO Pins Without Multiplexing
HMatrix SFR4 EBI Control Register
30
22
14
HMATRIX_SFR4
Read/Write
–
–
–
6
–
Many of the external EBI pins are not controlled by the PIO modules, but directly driven by the
EBI. These pins have programmable pullup resistors. These resistors are controlled by Special
Function Register 4 (SFR4) in the HMATRIX. The pullup on the lines multiplexed with PIO is
controlled by the appropriate PIO control register.
This SFR can also control CompactFlash, SmartMedia or NandFlash Support, see the EBI chap-
ter for details
• CS1A: Chip Select 1 Assignment
0 = Chip Select 1 is assigned to the Static Memory Controller.
1 = Chip Select 1 is assigned to the SDRAM Controller.
• CS3A: Chip Select 3 Assignment
0 = Chip Select 3 is only assigned to the Static Memory Controller and NCS3 behaves as
defined by the SMC.
1 = Chip Select 3 is assigned to the Static Memory Controller and the NAND Flash/SmartMedia
Logic is activated.
• CS4A: Chip Select 4 Assignment
0 = Chip Select 4 is assigned to the Static Memory Controller and NCS4, NCS5 and NCS6
behave as defined by the SMC.
1 = Chip Select 4 is assigned to the Static Memory Controller and the CompactFlash Logic is
activated.
• CS5A: Chip Select 5 Assignment
0 = Chip Select 5 is assigned to the Static Memory Controller and NCS4, NCS5 and NCS6
behave as defined by the SMC.
1 = Chip Select 5 is assigned to the Static Memory Controller and the CompactFlash Logic is
activated.
EBI_CS5A
29
21
13
–
–
–
5
EBI_CS4A
28
20
12
–
–
–
4
EBI_CS3A
27
19
11
–
–
–
3
26
18
10
–
–
–
2
–
EBI_CS1A
AT32AP7002
25
17
–
–
9
–
1
EBI_DBPUC
24
16
–
–
8
0
-
29