参数资料
型号: MPC8349E-MITX-GP
厂商: Freescale Semiconductor
文件页数: 25/36页
文件大小: 0K
描述: KIT REFERENCE PLATFORM MPC8349E
标准包装: 1
系列: PowerQUICC II™ PRO
类型: MPU
适用于相关产品: MPC8349E
所含物品: 模块和其他硬件
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MPC8349E-mITX-GP Board
Table 15. Reset Configuration Word High (RCWH) Bit Descriptions (continued)
Bits
Name
Meaning
Detailed Description
18–19
TSEC2M
TSEC2 Mode
00
RGMII
01
10: Default
10
RTBI
GMII
TBI
20–27
Reserved
Must be cleared
28
TLE
True little endian
0: Default
Big-endian mode
1
True little endian mode
29
30
LALE
LDP
Local Bus ALE
signal timing
LDP/CKSTP pin
0: Default
1
0: Default
Normal LALE timing
LALE is negated 1/2 lbiu_controller_clk earlier.
LDP[0] and
mux state after
reset
1
LDP[1] = local data parity.
LDP[0] = CKSTOP_OUT and LDP[1] =
CKSTOP_IN.
31
Reserved
Must be cleared
1.6.4.1
Reset Configuration Word SPMF[0–3] and COREPLL[0–6]
CLKIN is the input to the CCB PLL to generate the CCB clock, which provides the platform logic.
Table 16 shows the common combinations of CLKIN, CCB, and the core frequency and their respective
ratios.
Table 16. Core PLL Ratio
CCB
CLKIN
SPMF
[0–3]
CCB
clock:
CLKIN
COREPLL
[0–6]
Core CCB Clock:
Frequency CLKIN Ratio
Ratio
66.666 MHz
66.666 MHz
66.666 MHz
66.666 MHz
66.666 MHz
66.666 MHz
66.666 MHz
66.666 MHz
66.666 MHz
0101
0100
0011
0101
0100
0011
0101
0100
0011
333 MHz
266 MHz
200 MHz
333 MHz
266 MHz
200 MHz
333 MHz
266 MHz
200 MHz
5:1
4:1
3:1
5:1
4:1
3:1
5:1
4:1
3:1
00 0010 0
00 0010 1
00 0010 0
01 0001 1
00 0010 0
00 0010 1
00 0001 0
01 0001 1
01 0010 0
667 MHz
667 MHz
600 MHz
500 MHz
533 MHz
500 MHz
333 MHz
400 MHz
400 MHz
2:1
2.5:1
3:1
1.5:1
2:1
2.5:1
1:1
1.5:1
2:1
MPC8349E-mITX-GP Reference Design Platform User’s Guide, Rev. 0
Freescale Semiconductor
Preliminary—Subject to Change Without Notice
25
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