參數(shù)資料
型號: MPE603ERX100LX
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 100 MHz, RISC PROCESSOR, CBGA255
封裝: CERAMIC, BGA-255
文件頁數(shù): 17/32頁
文件大?。?/td> 135K
代理商: MPE603ERX100LX
24
EC603e Microprocessor Hardware Specifications (PID6)
1.8 System Design Information
This section provides electrical and thermal design recommendations for successful application of the PID6.
1.8.1 PLL Conguration
The PID6 PLL, shown in Table 12 for nominal frequencies, is congured by the PLL_CFG[0–3] signals.
For a given SYSCLK (bus) frequency, the PLL conguration signals set the internal CPU and VCO
frequency of operation.
Table 12. PLL Configuration
PLL_CFG
[0–3]
CPU Frequency in MHz (VCO Frequency in MHz)
Bus-to-
Core
Multiplier
Core-to-
VCO
Multiplier
Bus
16.67
MHz
Bus
20
MHz
Bus
25
MHz
Bus
33.33
MHz
Bus
40
MHz
Bus
50
MHz
Bus
60
MHz
Bus
66.67
MHz
0000
1x
2x
————
50
(100)
60
(120)
66.67
(133)
0001
1x
4x
————
50
(200)
60
(240)
66.67
(266)
1100
1.5x
2x
50
(100)
60
(120)
75
(150)
90
(180)
100
(200)
0100
2x
66.67
(133)
80
(160)
100
(200)
120
(240)
133.33
(266)
0101
2x
4x
50
(200)
66.67
(266)
————
0110
2.5x
2x
50
(100)
62.5
(125)
83.33
(166)
100
(200)
125
(250)
——
1000
3x
2x
50
(100)
60
(120)
75
(150)
100
(200)
120
(240)
———
1110
3.5x
2x
58.4
(117)
70
(140)
87.5
(175)
116.67
(233)
————
1010
4x
2x
66.67
(133)
80
(160)
100
(200)
133.33
(266)
————
0011
PLL bypass
1111
Clock off
Notes:
1. PLL_CFG[0–3] settings not listed are reserved.
2. The sample bus-to-core frequencies shown are for reference only. Some PLL congurations may select
bus, core, or VCO frequencies which are not useful, not supported, or not tested for by the PID6; see
Section 1.4.2.1, “Clock AC Specications,” for valid SYSCLK and VCO frequencies.
3. In PLL-bypass mode, the SYSCLK input signal clocks the internal processor directly, the PLL is disabled,
and the bus mode is set for 1:1 mode operation. This mode is intended for factory use only.
Note: The AC timing specications given in this document do not apply in PLL-bypass mode.
4. In clock-off mode, no clocking occurs inside the PID6 regardless of the SYSCLK input.
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