表格 的 内容
Paragraph 标题 页
号码 号码
MOTOROLA
mc68302 用户’s 手工的
xv
e.1.1.3.6 abtsc—abort sequence 计数器. ......................................................e-10
e.1.1.3.7 nmarc—nonmatching 地址 received 计数器. ...........................e-10
e.1.1.3.8 retrc—frame retransmission 计数器. ...........................................e-10
e.1.1.3.9 mflr—maximum 框架 长度 寄存器............................................e-10
e.1.1.3.10 hmask—hdlc 框架 地址 掩饰.................................................e-10
e.1.1.3.11 haddr1, haddr2, haddr3, 和 haddr4-hdlc 框架 address..e-10
e.1.1.4 receive 缓存区 descriptors....................................................................e-10
e.1.1.4.1 receive bd 控制/状态 文字..........................................................e-11
e.1.1.4.2 receive 缓存区 数据 长度. .................................................................e-12
e.1.1.4.3 receive 缓存区 pointer. .........................................................................e-12
e.1.1.5 transmit 缓存区 descriptors...................................................................e-12
e.1.1.5.1 transmit bd 控制/状态 文字.........................................................e-12
e.1.1.5.2 transmit 缓存区 数据 长度. ................................................................e-13
e.1.1.5.3 transmit 缓存区 pointer. ........................................................................e-13
e.1.2 程序编制 这 scc 为 hdlc ..........................................................e-13
e.1.2.1 cp initialization......................................................................................e-13
e.1.2.2 一般 和 hdlc 协议-明确的 内存 initialization.......................e-13
e.1.2.3 scc initialization...................................................................................e-14
e.1.2.4 scc 运作......................................................................................e-14
e.1.2.5 scc 中断 处理 .........................................................................e-14
e.2 uart 程序编制 涉及 部分 ...............................................e-15
e.2.1 uart 程序编制 模型 ...................................................................e-15
e.2.1.1 communications 处理器 (cp) 寄存器..........................................e-17
e.2.1.1.1 command 寄存器 (cr).......................................................................e-17
e.2.1.1.2 串行 lnterface 模式 寄存器 (slmode).............................................e-18
e.2.1.1.3 串行 接口 掩饰 寄存器 (simask). ............................................e-19
e.2.1.2 每 scc 寄存器................................................................................e-19
e.2.1.2.1 串行 配置 寄存器 (scon)...................................................e-19
e.2.1.2.2 scc 模式 寄存器 (scm)...................................................................e-20
e.2.1.2.3 scc 数据 同步 寄存器 (dsr). .........................................e-22
e.2.1.2.4 uart 事件 寄存器 (scce)...............................................................e-22
e.2.1.2.5 uart 掩饰 寄存器 (sccm)...............................................................e-23
e.2.1.2.6 uart 状态 寄存器 (sccs)..............................................................e-23
e.2.1.3 一般 和 uart 协议-明确的 参数 内存..........................e-23
e.2.1.3.1 rfcr/tfcr—rx 函数 代号/tx 函数 代号............................e-24
e.2.1.3.2 mrblr—maximum rx 缓存区 长度...................................................e-24
e.2.1.3.3 最大值_idl—maximum 空闲 characters. ...............................................e-24
e.2.1.3.4 brkcr—break 计数 寄存器............................................................e-24
e.2.1.3.5 parec—receive parity 错误 计数器. ...............................................e-24
e.2.1.3.6 frmec—receive framing 错误 计数器............................................e-24
e.2.1.3.7 nosec—receive 噪音 计数器.........................................................e-24
e.2.1.3.8 brkec—receive 破裂 情况 计数器.........................................e-24
e.2.1.3.9 uaddr1 和 uaddr2.........................................................................e-24
e.2.1.4 receive 缓存区 descriptors....................................................................e-25
e.2.1.4.1 receive bd 控制/状态 文字..........................................................e-26
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