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参数资料
| 型号： | XC68307FG8V |
| 厂商： | MOTOROLA INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 16.67 MHz, MICROCONTROLLER, PQFP100 |
| 封装： | PLASTIC, QFP-100 |
| 文件页数： | 35/35页 |
| 文件大小： | 172K |
| 代理商： | XC68307FG8V |
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MOTOROLA
MC68307 TECHNICAL INFORMATION
9
SYSTEM INTEGRATION MODULE
The MC68307 system integration module (SIM07) consists of several functions that control the system start-up,
initialization, conguration, and the external bus with a minimum of external devices.
The SIM07 features include:
System configuration
Oscillator & clock dividers
Reset control, power-down mode control
Chip-selects and wait states
External bus interfaces, 68000 and 8051-compatible
Parallel input/outputs with interrupt capability
Interrupt configuration/response
Software watchdog
JTAG test access port
System Conguration
The MC68307 system configuration logic consists of a module base address register (MBAR) and a system
control register (SCR) which together allow the user to configure operation of the following functions:
Base address and address space of internal peripheral registers
Low-power (stand-by) modes
Hardware watchdog for system protection
8051-compatible bus
Peripheral chip selects
Data bus size control for chip selected address ranges
Chip Select Logic and Dynamic Bus Sizing
The MC68307 provides four programmable chip-select signals (CS3–CS0). For a given chip-select block, the
user may choose whether the chip-select allows read-only, write-only, or both read and write accesses, whether
the chip-select should match only one function code value or all values, whether a DTACK is automatically
generated for this chip-select, and after how many wait states (from zero to six) the DTACK will be generated.
Each of the chip selects includes a dynamic bus-sizing extension to the basic 68000 bus which allows the system
designer to mix 16-bit and 8-bit contiguous address memory devices (RAM, ROM) on a 16-bit data bus system.
An additional feature of CS2 allows the user to opt either to use the programmable chip select CS2 or to use four
peripheral chip selects (CS2A, CS2B, CS2C, and CS2D). When the four peripheral chip selects are enabled,
each one selects a16-Kbyte block within the programmed range of CS2.
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相关代理商/技术参数 |
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| XC68307PU16 | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Motorola Inc 功能描述: 制造商:MOTOROLA 功能描述: |
| XC68307PU16V | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Motorola Inc 功能描述: 制造商:MOTOROLA 功能描述: |
| XC68307PU8V | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| XC68328PV16V | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Microprocessor |
| XC68332FC | 制造商:未知厂家 制造商全称:未知厂家 功能描述:32-Bit Microcontroller |
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