MPC8313ZQADDC Freescale Semiconductor, MPC8313ZQADDC Datasheet - Page 579

• Manufacturer Part Number: MPC8313ZQADDC
• Description: Microprocessors - MPU 8313 REV2.2 PB NO ENC
• Manufacturer: Freescale Semiconductor

Specifications of MPC8313ZQADDC

• 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

12.4.4.1
In big-endian mode, the descriptor in CSB memory should be programmed such that data appears in
ascending significant-byte order. If segment descriptors are written to memory located in the CSB, they
should be treated like they are translated from big-endian to little-endian mode.
Freescale Semiconductor
Current Descriptor Address Register
31
31
Next Descriptor Address Register
Descriptor in Big-Endian Mode
MPC8313E PowerQUICC™ II Pro Integrated Processor Family Reference Manual, Rev. 2
Figure 12-19. DMA Chain of Segment Descriptors
0
0
Offset
Offset
Offset
0x0C
0x1C
0x0C
0x1C
0x0C
0x1C
0x00
0x04
0x08
0x10
0x14
0x18
0x00
0x04
0x08
0x10
0x14
0x18
0x00
0x04
0x08
0x10
0x14
0x18
31
31
31
CSB Memory or PCI Memory
Destination Address
Destination Address
Destination Address
Source Address
Source Address
Source Address
Next Descriptor
Next Descriptor
Next Descriptor
Byte Count
Byte Count
Byte Count
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
0
0
0
Descriptor 0
Descriptor 1
Descriptor N
(Last)
EOTD = 1
DMA/Messaging Unit
12-19