MPC8313ECZQADDC Freescale Semiconductor, MPC8313ECZQADDC Datasheet - Page 508
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MPC8313ECZQADDC
Manufacturer Part Number
MPC8313ECZQADDC
Description
Microprocessors - MPU 8313 REV2.2 PB ENC EXT
Manufacturer
Freescale Semiconductor
Datasheet
1.MPC8313CZQADDC.pdf
(1214 pages)
Specifications of MPC8313ECZQADDC
Processor Series
MPC8313E
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
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Enhanced Local Bus Controller
512 bytes appear as main region data, and 16 bytes appear as spare region data. The EEPROM’s page
numbered P is associated with buffer number (P mod 8), where P = FPAR[PI]. Since the bank size set by
ORn[AM] will be greater than 8 Kbytes, an identical image of the FCM buffer RAM appears replicated
every 8 Kbytes throughout the bank address space. It is recommended that the bank size be set to 32
Kbytes, which covers a single NAND Flash block for small-page devices.
For FCM commands, register FPAR sets the page address and, therefore, also the buffer number.In the case
that FBCR[BC] = 0, FCM transfers an entire page, comprising the 512-byte main region followed by the
16-byte spare region; the 496-byte reserved region is not accessed, and remains undefined for software.
However, for commands given a specific byte count in FBCR[BC], FPAR[MS] locates the starting address
in either the main region (MS = 0) or the spare region (MS = 1). Where different eLBC banks control both
small and large-page devices, a large-page 4-Kbyte buffer must be assigned to either the first 4 or last 4
small-page buffers.
10.4.3.1.2
The FCM buffer space is divided into two 4 Kbyte buffers for large-page devices (ORn[PGS] = 1), mapped
as shown in
appear as main region data, and 64 bytes appear as spare region data. The EEPROM’s page numbered P
is associated with buffer number (P mod 2), where P = FPAR[PI]. Since the bank size set by ORn[AM]
will be greater than 8 Kbytes, an identical image of the FCM buffer RAM appears replicated every 8
Kbytes throughout the bank address space. It is recommended that the bank size be set to 256 Kbytes,
which covers a single NAND Flash block for large-page devices.
For FCM commands, register FPAR sets the page address and, therefore, also the buffer number. In the
case that FBCR[BC] = 0, FCM transfers an entire page, comprising the 2048-byte main region followed
by the 64-byte spare region; the 1984-byte reserved region is not accessed, and remains undefined for
10-60
Bank Base Address
Figure 10-46. FCM Buffer RAM Memory Map for Small-Page (512-byte page) NAND Flash Devices
offset 0x0C00
offset 0x1C00
offset 0x0400
offset 0x0800
offset 0x1000
offset 0x1400
offset 0x1800
offset 0x2000
End of Bank
Figure
MPC8313E PowerQUICC™ II Pro Integrated Processor Family Reference Manual, Rev. 2
Buffer Layout and Page Mapping for Large-Page NAND Flash Devices
10-47. Each page in a large-page NAND Flash comprises 2112 bytes, where 2048 bytes
buffer #0/page 0
buffer #1/page 1
buffer #2/page 2
buffer #3/page 3
buffer #4/page 4
buffer #5/page 5
buffer #6/page 6
buffer #7/page 7
replicated FCM
buffer RAM
images in bank
1 Kbyte page buffer:
512-byte main region (FPAR[MS] = 0)
16-byte spare region (FPAR[MS] = 1)
496-byte reserved region (FPAR[MS] = 1)
Freescale Semiconductor
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