MPC8313CZQADDC Freescale Semiconductor, MPC8313CZQADDC Datasheet - Page 561

• Manufacturer Part Number: MPC8313CZQADDC
• Description: Microprocessors - MPU 8313 REV2.2 PB NO EN EXT
• Manufacturer: Freescale Semiconductor

Specifications of MPC8313CZQADDC

• Processor Series: MPC8313
• Core: e300
• Data Bus Width: 16 bit
• Maximum Clock Frequency: 133 MHz
• Program Memory Size: 16 KB
• Data Ram Size: 16 KB
• Interface Type: I2C
• Mounting Style: SMD/SMT
• Package / Case: PBGA
• Number Of Programmable I/os: 32
• Number Of Timers: 4

Chapter 12
DMA/Messaging Unit
The DMA/messaging unit supports communication between two processors on different buses, for
example, a local processor and a processor on a PCI bus. This unit operates with generic messages and
doorbell registers.
This block also provides a DMA controller, which transfers blocks of data independent of the local
processor or PCI hosts. The DMA module has four high-speed DMA channels, which share buffer space
in the I/O sequencer (IOS) to facilitate the gathering and sending of data.
12.1
The DMA/messaging unit includes the following features:
Freescale Semiconductor
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Message and doorbell registers for inter-processor communication
DMA controller
— Four DMA channels
— Concurrent execution across multiple channels with programmable bandwidth control
— Misaligned transfer capability
Features
MPC8313E PowerQUICC™ II Pro Integrated Processor Family Reference Manual, Rev. 2
Figure 12-1
Figure 12-1. DMA/Messaging Unit Block Diagram
is a block diagram of the DMA/messaging unit.
Messaging Unit
DMA
DMA
DMA
Registers
DMA/Messaging Unit
DMA
I/O Sequencer (IOS)
12-1