| データシートサーチシステム |
|
MPC8248VR データシート(PDF) 36 Page - Freescale Semiconductor, Inc |
|
|
|||||||||||||||||||||||||||||
MPC8248VR データシート(HTML) 36 Page - Freescale Semiconductor, Inc |
|
36 / 61 page ![]() MPC8272 PowerQUICC II Family Hardware Specifications, Rev. 3 36 Freescale Semiconductor Clock Configuration Modes 7.2 PCI Agent Mode These tables show configurations for PCI agent mode. The frequency values listed are for the purpose of illustration only. Users must select a mode and input bus frequency so that the resulting configuration does not exceed the frequency rating of the user’s device. Note that in PCI agent mode the input clock is PCI clock. 6 CPM_CLK/PCI_CLK ratio. When PCI_MODCK = 1, the ratio of CPM_CLK/PCI_CLK should be calculated from PCIDF as follows: PCIDF = 3 > CPM_CLK/PCI_CLK = 4 PCIDF = 5 > CPM_CLK/PCI_CLK = 6 PCIDF = 7 > CPM_CLK/PCI_CLK = 8 PCIDF = 9 > CPM_CLK/PCI_CLK = 5 PCIDF = B > CPM_CLK/PCI_CLK = 6 Table 19. Clock Configurations for PCI Agent Mode (PCI_MODCK=0)1,2 Mode3 PCI Clock (MHz) CPM Multiplication Factor4 CPM Clock (MHz) CPU Multiplication Factor5 CPU Clock (MHz) Bus Division Factor Bus Clock (MHz) MODCK_H- MODCK[1-3] Low High Low High Low High Low High Default Modes (MODCK_H=0000) 0000_000 60.0 66.7 2 120.0 133.3 2.5 150.0 166.7 2 60.0 66.7 0000_001 50.0 66.7 2 100.0 133.3 3 150.0 200.0 2 50.0 66.7 0000_010 50.0 66.7 3 150.0 200.0 3 150.0 200.0 3 50.0 66.7 0000_011 50.0 66.7 3 150.0 200.0 4 200.0 266.6 3 50.0 66.7 0000_100 50.0 66.7 3 150.0 200.0 3 180.0 240.0 2.5 60.0 80.0 0000_101 50.0 66.7 3 150.0 200.0 3.5 210.0 280.0 2.5 60.0 80.0 0000_110 50.0 66.7 4 200.0 266.6 3.5 233.3 311.1 3 66.7 88.9 0000_111 50.0 66.7 4 200.0 266.6 3 240.0 320.0 2.5 80.0 106.7 Full Configuration Modes 0001_001 60.0 66.7 2 120.0 133.3 5 150.0 166.7 4 30.0 33.3 0001_010 50.0 66.7 2 100.0 133.3 6 150.0 200.0 4 25.0 33.3 0001_011 50.0 66.7 2 100.0 133.3 7 175.0 233.3 4 25.0 33.3 0001_100 50.0 66.7 2 100.0 133.3 8 200.0 266.6 4 25.0 33.3 0010_001 50.0 66.7 3 150.0 200.0 3 180.0 240.0 2.5 60.0 80.0 0010_010 50.0 66.7 3 150.0 200.0 3.5 210.0 280.0 2.5 60.0 80.0 0010_011 50.0 66.7 3 150.0 200.0 4 240.0 320.0 2.5 60.0 80.0 0010_100 50.0 66.7 3 150.0 200.0 4.5 270.0 360.0 2.5 60.0 80.0 |
|
リンク URL |
| ALLDATASHEETはお客様のビジネスに役立ちますか? [ DONATE ] |
Alldatasheetは | 広告 | お問い合わせ | プライバシーポリシー | データシートへのリンク | リンク交換 | メーカーリスト All Rights Reserved©Alldatasheet.com |
| Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
|
Family Site : ic2ic.com |
icmetro.com |