ATAVRDISPLAYX Atmel, ATAVRDISPLAYX Datasheet - Page 285
ATAVRDISPLAYX
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATAVRDISPLAYX
Manufacturer:
Atmel
Quantity:
135
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24.12.2
8077H–AVR–12/09
CTRLB (SRAM) - Chip Select Control Register B
Table 24-17. Address space encoding (Continued)
1.
• Bit 1:0 - MODE[1:0]: Chip Select Mode
These bits select the Chip Select Mode and decide what type of interface is used for the external
memory or peripheral according to
Table 24-18. Chip Select Mode selection
1.
This configuration options in this register depend on the Chip Select Mode configuration. The
register description below is valid when the Chip Select Mode is configured for SRAM or SRAM
LPC.
• Bit 7:3 - Reserved
These bits are reserved and will always be read as zero.
• Bit 2:0 - SRWS[2:0]: SRAM Wait State
These bits select the number of wait states for SRAM and SRAM LPC access as a number of
Peripheral 2x clock (CLK
Table 24-19. Wait State selection
Bit
+0x01
Read/Write
Initial Value
ASIZE[5:0]
01111
10000
Other
MODE[1:0]
SRWS[2:0]
Entire available data space used.
SDRAM can only be selected for CS3
000
001
010
011
100
00
01
10
11
R/W
7
0
-
R/W
6
0
-
Group Configuration
8M
16M
Group Configuration
DISABLE
SRAM
LPC
SDRAM
Group Configuration
0CLK
1CLK
2CLK
3CLK
4CLK
PER2
) cycles, according to
R/W
5
0
-
Table 24-18 on page
R/W
4
0
-
Address Size
8M Bytes
16M
-
Description
Chip Select Disabled
Enable Chip Select for SRAM
Enable Chip Select for SRAM LPC
Enable Chip Select for SDRAM
Description
0 CLK
1 CLK
2 CLK
3 CLK
4 CLK
R/W
3
0
-
Table 24-19 on page
(1)
PER2
PER2
PER2
PER2
PER2
285.
cycles wait state
cycles wait state
cycles wait state
cycles wait state
cycles wait state
R/W
2
0
Address Lines Compared
ADDR[23]
-
Reserved
SRWS[2:0]
R/W
1
0
285.
R/W
(1)
0
0
XMEGA A
CTRLB
285
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