AT91SAM7SE512B-AUR Atmel, AT91SAM7SE512B-AUR Datasheet - Page 178
AT91SAM7SE512B-AUR
Manufacturer Part Number
AT91SAM7SE512B-AUR
Description
IC ARM7 MUC FLASH 512K 128-LQFP
Manufacturer
Atmel
Series
AT91SAMr
Datasheet
1.AT91SAM7SE256-AU.pdf
(673 pages)
Specifications of AT91SAM7SE512B-AUR
Core Processor
ARM7
Core Size
16/32-Bit
Speed
55MHz
Connectivity
EBI/EMI, I²C, SPI, SSC, UART/USART, USB
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
88
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
1.65 V ~ 1.95 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Processor Series
SAM7SE512
Core
ARM7TDMI
Data Bus Width
32 bit
Data Ram Size
32 KB
Interface Type
SPI, USB
Maximum Clock Frequency
48 MHz
Number Of Programmable I/os
88
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Operating Temperature Range
- 40 C to + 85 C
Processor To Be Evaluated
AT91SAM7SE512B
Supply Current (max)
60 uA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
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22.6.6
Figure 22-26. Read Access in LCD Interface Mode
Figure 22-27. Write Access in LCD Interface Mode
178
A[22:0]
A[22:0]
D[15:0]
NWE
MCK
NRD
MCK
NCS
NCS
SAM7SE512/256/32 Preliminary
LCD Interface Mode
Data from LCD Controller
ACCS
ACSS
The SMC can be configured to work with an external liquid crystal display (LCD) controller by
setting the ACSS (Address to Chip Select Setup) bit in the SMC_CSR registers
Select Registers” on page
In LCD mode, NCS is shortened by one/two/three clock cycles at the leading and trailing edges,
providing positive address setup and hold. For read accesses, the data is latched in the SMC
when NCS is raised at the end of the access.
Additionally, WSEN must be set and NWS programmed with a value of two or more superior to
ACSS. In LCD mode, it is not recommended to use RWHOLD or RWSETUP. If the above condi-
tions are not satisfied, SMC does not operate correctly.
ACSS = 3, NWEN = 1, NWS = 10
196).
ACCS = 2, NWEN = 1, NWS = 10
ACSS
6222F–ATARM–14-Jan-11
ACCS
(“SMC Chip
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