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AM29245EH Datasheet(PDF) 6 Page - Advanced Micro Devices

Part # AM29245EH
Description  Enhanced High-Performance RISC Microcontrollers
PDF  36 Pages
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Manufacturer  AMD [Advanced Micro Devices]
Direct Link  http://www.amd.com
Logo AMD - Advanced Micro Devices

AM29245EH Datasheet(HTML) 6 Page - Advanced Micro Devices

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P R E L I M I N A R Y
6
Am29240 EH Microcontroller Series
™
Table 1. Product Comparison—Am29200 Microcontroller Family
FEATURE
Am29205
™
Controller
Am29202
™
Controller
Am29200
™
Controller
Am29245EH
Controller
Am29240EH
Controller
Am29243EH
Controller
Instruction Cache
—
—
—
4 Kbytes
4 Kbytes
4 Kbytes
Data Cache
—
—
—
—
2 Kbytes
2 Kbytes
Cache Associativity
—
—
—
2-way
2-way
2-way
Integer Multiplier
Software
Software
Software
Software
32 x 32-bit
32 x 32-bit
Memory Management
Unit (MMU)
—
—
—
1 TLB
16 Entry
1 TLB
16 Entry
2 TLBs
32 Entry
Data Bus Width
Internal
External
32 bits
16 bits
32 bits
32 bits
32 bits
32 bits
32 bits
32 bits
32 bits
32 bits
32 bits
32 bits
ROM Interface
Banks
Width
ROM Size (Max/Bank)
Boot-Up ROM Width
Burst-Mode Access
3
8, 16 bits
4 Mbytes
16 bits
Not Supported
4
8, 16, 32 bits
4 Mbytes
8, 16, 32 bits
Not Supported
4
8, 16, 32 bits
16 Mbytes
8, 16, 32 bits
Supported
4
8, 16, 32 bits
16 Mbytes
8, 16, 32 bits
Supported
4
8, 16, 32 bits
16 Mbytes
8, 16, 32 bits
Supported
4
8, 16, 32 bits
16 Mbytes
8, 16, 32 bits
Supported
DRAM Interface
Banks
Width
Size: 32-Bit Mode
Size: 16-Bit Mode
Video DRAM
Access Cycles
Initial/Burst
DRAM Parity
4
16 bits only
—
8 Mbytes/bank
Not Supported
3/2
No
4
16, 32 bits
16 Mbytes/bank
8 Mbytes/bank
Not Supported
3/2
No
4
16, 32 bits
16 Mbytes/bank
8 Mbytes/bank
Supported
3/2
No
4
32 bits
16 Mbytes/bank
Not supported
Supported
2/1 or 3/1
No
4
32 bits
16 Mbytes/bank
Not supported
Supported
2/1 or 3/1
No
4
32 bits
16 Mbytes/bank
Not supported
Not Supported
2/1 or 3/1
Yes
On-Chip DMA
Width (ext. peripherals)
Total Number of Channels
Externally Controlled
External Master Access
External Master Burst
External Terminate Signal
8, 16 bits
2
1
No
No
No
8, 16, 32 bits
2
1
No
No
No
8, 16, 32 bits
2
2
Yes
No
Yes
8, 16, 32 bits
2
2
Yes
Yes
Yes
8, 16, 32 bits
4
4
Yes
Yes
Yes
8, 16, 32 bits
4
4
Yes
Yes
Yes
Low-Voltage Operation
No
No
No
Yes
Yes
Yes
Peripheral Interface
Adapter (PIA)
PIA Ports
Data Width
Min. Cycles Access
2
8, 16 bits
3
2
8, 16, 32 bits
3
6
8, 16, 32 bits
3
6
8, 16, 32 bits
1
6
8, 16, 32 bits
1
6
8, 16, 32 bits
1
Programmable I/O Port
(PIO)
Signals
Signals programmable
for interrupt generation
8
8
12
8
16
8
16
8
16
8
16
8
Serial Ports
Ports
DSR/DTR
1 Port
PIO signals
1 Port
PIO signals
1 Port
Supported
1 Port
Supported
2 Ports
1 Port Supported
2 Ports
1 Port Supported
Interrupt Controller
External Interrupt Pins
External Trap and Warn
Pins
2
0
2
0
4
3
4
3
4
3
4
3
Parallel Port Controller
32-Bit Transfer
IEEE-1284 Interface
Yes
No
No
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
No
Yes
Yes
No
Yes
Yes
No
JTAG Debug Support
No
Yes
Yes
Yes
Yes
Yes
Serializer/Deserializer
Yes
Yes
Yes
Yes
Yes
No
Pin Count and Package
100 PQFP
132 PQFP
168 PQFP
208 PQFP
208 PQFP
208 PQFP
Operating Voltage
VCC
I/O Tolerance
5 V
5 V
5 V
5 V
5 V
5 V
3.3 V
5 V
3.3 V
5 V
3.3 V
5 V
Processor Clock Rate
12, 16 MHz
12, 16, 20 MHz
16, 20 MHz
16 MHz
20, 25 MHz
20, 25 MHz



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