MVME133 MVME134 MVME135 MVME136 MVME141 MVME143自动化卡件
MVME133 MVME134 MVME135 MVME136 MVME141 MVME143
MVME133的特点包括：
MVME133是一个智能单板处理器模块，包含MC68020微处理器和
MC68881协处理器。MVME133的主要特点如下。
•双高/单宽VMEboard
•地址24/数据32（A24/D32）VMEbus主机（A24/D16兼容）
•MC68020微处理器，32位地址和数据，12.5 MHz（MVME133）或16.67 MHz（MVME133-1）
•MC68881浮点协处理器，12.5 MHz（MVME133）或16.67 MHz（MVME133-1）
•1Mb共享本地动态RAM，32位宽，可从VMEbus访问
•四个28针JEDEC插槽，用于ROM/PROMs/EPROM/EEPROM（两组，每个16位宽）（总计
最大256Kb）
•三个8位可编程定时器，用于滴答和看门狗功能
•每日时钟/日历时间（实时时钟）（MM58274A）
•前面板异步DB25串行调试RS-232C端口（在MC68901 MFP上）
•双多协议（同步/异步）串行端口（Z8530）
–RS-232C（端口B）
–RS-485/RS-422（端口A）
•具有三级仲裁器的VMEbus系统控制器功能
•单级总线请求器（可选择级跳线）
•VMEbus断续器
•所有七个级别的VMEbus中断处理程序
•前面板运行、停止和故障状态LED
•前面板复位和中止开关
•通过边缘连接器P2远程重置
•五位软件可读标题；模块状态寄存器（MSR）的一部分Features of the MVME133 include:
The MVME133 is an intelligent single-board processor module containing both the MC68020 microprocessor and
the MC68881 coprocessor. The main features of the MVME133 are as follows.
• Double-high/single-wide VMEboard
• Address 24/Data 32 (A24/D32) VMEbus master (A24/D16 compatible)
• MC68020 Microprocessor with 32-bit address and data, 12.5 MHz (MVME133) or 16.67 MHz (MVME133-1)
• MC68881 Floating Point Coprocessor, 12.5 MHz (MVME133) or 16.67 MHz (MVME133-1)
• 1Mb of shared local Dynamic RAM, 32-bits wide, accessible from VMEbus
• Four 28-pin JEDEC sockets for ROMs/PROMs/EPROMs/EEPROMs (in two banks, each 16-bits wide) (total
256Kb maximum)
• Three 8-bit programmable timers for tick and watchdog functions
• Time-of-day clock/calendar (real-time clock) (MM58274A)
• Front panel asynchronous DB25 serial debug RS-232C port (on MC68901 MFP)
• Dual multiprotocol (synchronous/asynchronous) serial ports (Z8530)
– RS-232C (port B)
– RS-485/RS-422 (port A)
• VMEbus system controller functions with level-three arbiter
• Single level bus requester (level jumper selcetable)
• VMEbus interrupter
• VMEbus interrupt handler for all seven levels
• Front panel RUN, HALT, and Fail status LEDs
• Front panel RESET and ABORT switches
• Remote reset through edge connector P2
• Five-position software-readable header; part of the Module Status Register (MSR)
