ATAVRDISPLAYX Atmel, ATAVRDISPLAYX Datasheet - Page 279

• Manufacturer Part Number: ATAVRDISPLAYX
• Description: KIT EVAL XMEGA DISPLAY
• Manufacturer: Atmel

Specifications of ATAVRDISPLAYX

• Main Purpose: *
• Embedded: *
• Utilized Ic / Part: *
• Primary Attributes: *
• Secondary Attributes: *
• Silicon Manufacturer: Atmel
• Silicon Family Name: ATxmega
• Kit Contents: Board
• Features: Temperature Sensor, Mono Speaker Via Audio Amplifier
• Svhc: No SVHC (15-Dec-2010)
• Core Architecture: AVR
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

24.11 Register Description - EBI
24.11.1
8077H–AVR–12/09
CTRL - EBI Control Register
• Bit 7:6 - SDDATAW[1:0]: EBI SDRAM Data Width Setting
These bits select the EBI SDRAM data width configuration according to
Table 24-6.
Note:
• Bit 5:4 - LPCMODE[1:0]: EBI SRAM Low Pin-count Mode
These bits select the EBI SRAM LPC configuration according to
Table 24-7.
• Bit 3:2 - SRMODE[1:0]: SRAM Mode
These bits selects the EBI SRAM configuration according to
Table 24-8.
Note:
Bit
+0x00
Read/Write
Initial Value
LPCMODE[1:0]
SDDATAW[1:0]
SRMODE[1:0]
1. 8-bit data bus only available for 4-port EBI interface
1. ALE2 and NOALE only available with 4-port EBI interface
00
01
10
11
00
01
10
11
00
01
10
11
SDRAM Mode
SRAM LPC Mode
SRAM Mode
R/W
SDDATAW[1:0]
7
0
Group Configuration
4BIT
8BIT
-
-
Group Configuration
ALE1
-
ALE12
-
Group Configuration
ALE1
ALE2
ALE12
NOALE
R/W
(1)
(1)
6
0
(1)
R/W
LPCMODE[1:0]
5
0
R/W
ALE
ALE1
ALE2
ALE1 & 2
No ALE
4
0
Description
4 bit data bus
8 bit data bus
Reserved
Reserved
ALE
ALE1
-
ALE1 & 2
-
R/W
SRMODE[1:0]
3
0
Description
Address byte 0 and 1 multiplexed
Address byte 0 and 2 multiplexed
Address byte 0, 1 and 2 multiplexed
No address multiplexing
Description
Data multiplexed with Address byte 0
Reserved
Data multiplexed with Address byte 0 and 1
Reserved
Table 24-8 on page
R/W
2
0
Table 24-7 on page 279
R/W
1
0
IFMODE[1:0]
Table 24-6 on page
XMEGA A
R/W
0
0
279.
CTRL
279.
279