AT91M63200-25AI Atmel, AT91M63200-25AI Datasheet - Page 12
![IC ARM7 MCU 176 TQFP](/photos/12/32/123243/313-176-lqfp_sml.jpg)
AT91M63200-25AI
Manufacturer Part Number
AT91M63200-25AI
Description
IC ARM7 MCU 176 TQFP
Manufacturer
Atmel
Series
AT91SAMr
Datasheets
1.AT91M43300-25CI.pdf
(21 pages)
2.AT91M43300-25CI.pdf
(5 pages)
3.AT91M63200-25AI.pdf
(12 pages)
4.AT91M63200-25AI.pdf
(153 pages)
Specifications of AT91M63200-25AI
Core Processor
ARM7
Core Size
16/32-Bit
Speed
25MHz
Connectivity
EBI/EMI, SPI, UART/USART
Peripherals
POR, WDT
Number Of I /o
58
Program Memory Type
OTP
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
176-TQFP, 176-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
- AT91M43300-25CI PDF datasheet
- AT91M43300-25CI PDF datasheet #2
- AT91M63200-25AI PDF datasheet #3
- AT91M63200-25AI PDF datasheet #4
- Current page: 12 of 153
- Download datasheet (3Mb)
Chip Select Lines
The EBI provides up to eight chip select lines:
•
•
By exchanging address lines for chip select lines, the user
can optimize the EBI to suit his external memory require-
ments: more external devices or larger address range for
each device.
Figure 6. Memory Connections for Four External Devices
Note:
Figure 7. Memory Connections for Eight External Devices
Note:
12
Chip select lines NCS0 - NCS3 are dedicated to the EBI
(not multiplexed).
Chip select lines CS4 - CS7 are multiplexed with the top
four address lines A23 - A20.
For four external devices, the maximum address space per device is 16M bytes.
For eight external devices, the maximum address space per device is 1M byte.
EBI
NCS0 - NCS3
CS4 - CS7
D0 - D15
A0 - A19
EBI
AT91M63200
NWRx
NCS0 - NCS3
NRD
D0 - D15
A0 - A23
NWRx
NRD
8 or 16
The selection is controlled by the ALE field in EBI_MCR
(Memory Control Register). The following combinations are
possible:
NCS0
NCS1
A20, A21, A22, A23 (configuration by default)
A20, A21, A22, CS4
A20, A21, CS5, CS4
A20, CS6, CS5, CS4
CS7, CS6, CS5, CS4
8 or 16
NCS0
NCS2
D0 - D15 or D0 - D7
NCS1
Memory Enable
Output Enable
Write Enable
A0 - A19
NCS3
Memory Enable
NCS2
CS4
D0 - D15 or D0 - D7
NCS3
Memory Enable
Output Enable
Write Enable
A0 - A23
Memory Enable
CS5
Memory Enable
Memory Enable
CS6
Memory Enable
Memory Enable
CS7
Memory Enable
Memory Enable
Memory Enable
Memory Enable
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