Atmel AT91CAP9 User manual

NOTE: This is a summary document.
The complete document is available
under NDA. For more information,
please contact your local Atmel sales
office.
Features
•500,000 Gates/250,000 Gates Metal Programmable Logic (through 5 Metal Layers) for
AT91CAP9S500A/AT91CAP9S250A Respectively
•Ten 512 x 36-bit Dual Port RAMs
•Eight 512 x 72-bit Single Port RAMs
•High Connectivity for Up to Three AHB Masters and Four AHB Slaves
•Up to Seven AIC Interrupt Inputs
•Up to Four DMA Hardware Handshake Interfaces
•Delay Lines for Double Data Rate Interface
•UTMI+ Full Connection
•Up to 77 Dedicated I/Os
1. Description
The Atmel®AT91 Customizable Microcontroller Processor (AT91CAP) concept allows
customization of ARM7™or ARM9™platforms by adding specific peripherals and/or
digital logic into a Metal Programmable Block (MPBlock). The AT91CAP is separated
into two different areas:
1. AT91CAP hard part: A fixed area containing the ARM®processor, the ARM
system, the internal memories and several peripherals described in the
AT91CAP datasheet.
2. MPBlock part: Metal Programmable area dedicated to customization and
using only the metal levels of the technology.
The User Guide shows the capabilities for customization of the
AT91CAP9S500A/AT91CAP9S250A based on a concrete example.
The customization example includes the following objects:
• An AHB2APB Bridge creating a dedicated APB bus inside the MPBlock
• An AHB Peripheral DMA controller
• An APB Debug Unit (UART) connected to the Peripheral DMA Controller
• An Internal RAM Controller using the dedicated MPBlock RAM blocks
The User Guide first describes the AT91CAP9S500A/AT91CAP9S250A database in
terms of directories and logical design structure. It then guides the user through the
complete AT91CAP9S500A/AT91CAP9S250A customization flow using the given
example.
Customizable
Microcontroller
Processor
AT91CAP9
MPBlock
User Guide
Summary
6324AS–CAP–21-May-07

2
6324AS–CAP–21-May-07
AT91CAP9S500A/AT91CAP9S250A
Figure 1-1. MPBlock Connectivity
MPBLOCK
500K Gates (CAP9500)
250K Gates (CAP9250)
MPIOB[44:0]
AHB MASTERS AHB SLAVES
DPR
512x36
10x
SPR
512x72
8x
CHIP ID
JTAG ID
CLOCKS
MPBlock Test Wrapper
UTMI+
PHY
DMAITs
Chip Boundary Scan
CAN,
MACB, OHCI
ENABLE
MPIOA[31:0]

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6324AS–CAP–21-May-07
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