參數(shù)資料
型號(hào): ST40RA200XH6E
廠商: STMICROELECTRONICS
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 200 MHz, RISC PROCESSOR, PBGA372
封裝: 27 X 27 MM, 2.33 MM HEIGHT, PLASTIC, BGA-372
文件頁數(shù): 40/94頁
文件大小: 2144K
代理商: ST40RA200XH6E
6 Clock generation
ST40RA
45/92
The sources for PCI_SS_CLK and EMI_SS_CLK, can be set using the PCI_SEL and EMI_SEL bits
in the CLOCKGENB.CLK_SELCR register. See Section 6.6.1: CLOCKGENB.CLK_SELCR register
If CLOCKGEN_A13 is used as PCI_SS_CLK source then the memory bridges 6 and 7 must be
enabled. If CLOCKGEN_A12 is used, then the bridges may be placed in bypass mode. This is the
recommended mode of operation.
If either CLOCKGEN_B12 or CLOCKGEN_A14 are used as the EMI_CLK, the memory bridges 1,
2 and 3 must be enabled. If CLOCKGEN_A12 is used, then the bridges may be placed in bypass.
This is the recommended mode of operation.
Table 16: Clock domains
Subsystem
Clock domain
Target frequencies
(MHz)
Sourcea
Ratio
CPU core
CPU_CLK
200
166
150
133
CLOCKGEN_A11
1
SuperHyway
STBUS_CLK
-
111
100
88
CLOCKGEN_A12
2/3
100
837567
1/2
Peripherals
PER_CLK
(CPU core PCK)
-
555044CLOCKGEN_A13
1/3
50
42
38
33
1/4
PCI bus clock
PCI_BUS_CLK
33
CLOCKGEN_A21
1/16
66
CLOCKGEN_A22
1/8
25.14
CLOCKGEN_A23
1/21
Disabled
CLOCKGEN_A24
-
PCI subsystem
PCI_SS_CLK
-
111
100
88
CLOCKGEN_A12
2/3
100
837567
1/2
-
555044CLOCKGEN_A13
1/3
50
42
38
33
1/4
Local memory
interface (LMI)
LMI_CLK
133
111
100
88
CLOCKGEN_A14
2/3
Reserved
CLOCKGEN_B11
1
EMI subsystem
EMI_CLK
50 to 100 MHz
CLOCKGEN_B12
1
-
111
100
88
CLOCKGEN_A12
2/3
100
837567CLOCKGEN_A14
1/2
a. Clock naming: CLOCKGEN_[CLOCKGEN label][PLL number][clock number]
相關(guān)PDF資料
PDF描述
ST52510F3M6 MICROCONTROLLER, PDSO20
ST52E430B/D 8-BIT, UVPROM, 20 MHz, MICROCONTROLLER, CDIP32
ST52F510F1M6 8-BIT, FLASH, 24 MHz, MICROCONTROLLER, PDSO20
ST52F510G0B6 8-BIT, FLASH, 24 MHz, MICROCONTROLLER, PDIP28
ST52F513F0M6 8-BIT, FLASH, 24 MHz, MICROCONTROLLER, PDSO20
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ST40RP 功能描述:兩端交流開關(guān)元件 ST40RP RoHS:否 制造商:STMicroelectronics 轉(zhuǎn)折電流 VBO:45 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23 封裝:Reel
ST40-TOOLSET/WIN 制造商:STMicroelectronics 功能描述:ST40-TOOLSET/WIN - Bulk
ST40X-10S-CV 制造商:Hirose 功能描述:
ST40X-10S-CV(80) 功能描述:I/O 連接器 10P CBLE PLUG STD SOLDER SHIELDED RoHS:否 制造商:Hirose Connector 產(chǎn)品:Plugs 系列:DH 端口數(shù)量: 位置/觸點(diǎn)數(shù)量:51 節(jié)距:1 mm 觸點(diǎn)電鍍: 觸點(diǎn)材料: 型式:Male 電流額定值:0.5 A 安裝風(fēng)格:Cable 端接類型:IDC 顏色: 安裝角:
ST40X-10S-CVR 制造商:HRS 制造商全稱:HRS 功能描述:Interface Connectors for Miniature, Portable Terminal Devices