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參數(shù)資料
| 型號(hào)： | STPCI0166BTI3 |
| 廠商： | 意法半導(dǎo)體 |
| 元件分類： | 微處理器 |
| 英文描述： | PC Compatible Embedded Microprocessor |
| 中文描述： | PC兼容嵌入式微處理器 |
| 文件頁數(shù)： | 13/55頁 |
| 文件大?。?/td> | 787K |
| 代理商： | STPCI0166BTI3 |
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STRAP OPTION
13/55
Issue 1.1
2.1.2 STRAP REGISTER 1 INDEX 4BH (STRAP1)
Bits 7-0, This register reflect the status of pins MD[15:8] respectively. They are expected tobe connected
on the system board to the SIMM configuration pins as follows:
Note that the SIMM speed and type information read here is meant only for the software and is not used
by the hardware. The software must program the Host and graphics dram controller configuration regis-
ters appropriately based on these bits.
This register defaults to the values sampled on MD[15:8] pins after reset.
2.1.3 STRAP REGISTER 2 INDEX 4CH (STRAP2)
Bits 4-0 of this register reflect the status of pins MD[20:16] respectively. Bit 5 of this register reflectthe sta-
tus of pin MD[23]. Bit 4 is writeable, writes to other bits in this register have no effect.
They are use by the chip as follows:
Bits 7-5, Reserved
Bit 4, This bit reflects the
value sampled on MD[20] pin
and controls the Dot clock (DCLK) source. Note
this bit is writeable as well as readable.
Bit 3, This bit reflects the
value sampled on MD[19] pin
and controls the Graphics clock source.
Bit 2, This bit reflects the
value sampled on MD[18] pin
and controls the Host/CPU clock source as fol-
lows: setting to ’0’: External. HCLK pin is an input, setting to ’1’: Internal. HCLK pin is an output and is con-
nected to the internal frequency synthesizer output.
Bit 1, This bit reflects the
value sampled on MD[17] pin
and controls the PCI clock output as follows:
Setting to ’0’, the PCI clock output = HCLK / 3
Setting to ’1’, the PCI clock output = HCLK / 2
Bit 0, Reserved.
This register defaults to the values sampled on MD[23] & MD[20:16] pins after reset.
Bit Sampled
Bit 7
Bits 6-5
Bit 4
Bits 3-2
Bit 1-0
Description
SIMM 2 DRAM type
SIMM 2 speed
SIMM 3 DRAM type:
SIMM 3 speed
Reserved
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| STPR1020C | HIGH EFFICIENCY FAST RECOVERY RECTIFIER DIODES |
| STPR1020CB-TR | HIGH EFFICIENCY FAST RECOVERY RECTIFIER DIODES |
| STPR1020CB | HIGH EFFICIENCY FAST RECOVERY RECTIFIER DIODES |
| STPR120 | HIGH EFFICIENCY FAST RECOVERY DIODE |
| STPR120A | HIGH EFFICIENCY FAST RECOVERY DIODE |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| STPCI0180BTC3 | 功能描述:微處理器 - MPU RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:536 MHz 程序存儲(chǔ)器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-324 |
| STPCI0180BTI3 | 制造商:STMicroelectronics 功能描述: |
| STPCI2 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:STPC ATLAS DATASHEET / X86 CORE PC COMPATIBLE SYSTEM-ON-CHIP FOR TERMINALS |
| STPCI2GDY | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:X86 Core PC Compatible System-on-Chip for Terminals |
| STPCI2GDYI | 功能描述:微處理器 - MPU 120MHz x86 SoC RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:536 MHz 程序存儲(chǔ)器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-324 |
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