W88111AF/W88112F
ATAPI CD - ROM解码器&控制器
此规格如有变更,恕不另行通知。
初步/机密
ATERR - ATAPI错误寄存器(写入31H ) ___________________________________________________ 47
ATFEA - ATAPI功能寄存器(读31H ) _________________________________________________47
ATINT - ATAPI的中断原因寄存器(读/写32h的) ______________________________________47
ATSPA - ATAPI SAM标签字节寄存器(读/写33H ) _______________________________________ 48
ATBLO - ATAPI字节计数低(读/写34H ) _____________________________________________48
ATBHI - ATAPI字节计数高(读/写35H ) _____________________________________________48
ATDRS - ATAPI驱动选择(读取/写入36H ) ________________________________________________48
ATSTA - ATAPI状态寄存器(读38H , 37H写) __________________________________________48
ATCMD - ATAPI命令寄存器(读37H ) _______________________________________________ 48
ASSTA - ATAPI暗影状态寄存器 - (写入38H ) ___________________________________________ 49
ASERR - ATAPI暗影错误寄存器 - (写入39H ) ___________________________________________ 49
APKSTA - 状态寄存器的数据包自动传输 - (写为3Dh ) ____________________________49
ASCSTA - 状态寄存器的状态自动完成 - (写3EH ) ___________________________49
SHDC - 暗影驱动控制寄存器_____________________________________________________50
DF0到DF7 - 为承载数据传输寄存器 - (写40H到47H ) _____________________________50
环控制寄存器 - (读/写50H到57H ) ______________________________________________51
DTRBL / DTRBH - 数据传输环基址寄存器 - (读取/写入50H / 51H ) _________________________51
DTRCL / DTRCH - 数据传输环天花板注册 - (读取/写入52H / 53H ) _______________________ 51
WBRBL / WBRBH - 写缓冲环基址寄存器 - (读取/写入54H / 55H ) __________________________ 51
WBRCL / WBRCH - 写缓冲环天花板注册 - (读取/写入56H / 57H ) _______________________51
SCTC - 子码定时器控制寄存器 - (写5AH ) __________________________________________51
TARCTL - 目标控制寄存器 - (写入80H ) _______________________________________________ 52
TARSTA - 目标状态寄存器 - (读80H ) _________________________________________________ 52
DSTH / DSTL - 解码部门阈值寄存器 - (写入82H / 81H ) ______________________________53
DSCH / DSCL - 解码部门计数器 - (读82H / 81H ) _______________________________________ 53
TSL - 目标搜索限制寄存器 - (写入83H ) ______________________________________________53
TSC - 目标搜索计数器 - (读83H ) ____________________________________________________ 54
靶标头寄存器 - (读/写84H - 86H ) ________________________________________________54
最低气温 - 目标分钟寄存器 - (读/写84H ) _____________________________________________54
证券交易所 - 目标第二寄存器 - (读/写85H ) _____________________________________________54
TFRAM - 目标框架寄存器 - (读/写86H ) ____________________________________________54
FEACTL - 功能控制寄存器 - (写入88H ) ______________________________________________ 54
状态掩码寄存器 - (写为8Ch -的8Fh ) ______________________________________________________ 55
出版日期: 1996年8月
初步/机密版本A0.1
-3-