XR17V258
电源管理支持66MHZ PCI总线八进制UART
修订版1.0.1
目录
概述................................................ ................................................ 1
A
PPLICATIONS
............................................................................................................................................... 1
F
EATURES
.................................................................................................................................................... 1
F
IGURE
1. B
LOCK
D
的作者IAGRAM
XR17V258 ............................................................................................................................... 1
F
IGURE
2. P
IN
O
的的UT
D
EVICE
.................................................................................................................................................. 2
订购信息
................................................................................................................................ 2
引脚说明......................................................................................................... 3
功能说明................................................ .......................................... 8
PCI本地总线接口..............................................................................................................................................
PCI本地总线配置空间寄存器...........................................................................................................
电源管理寄存器...................................................................................................................................
EEPROM接口.....................................................................................................................................................
8
8
8
8
1.0 XR17V258内部REGISTERS........................................................................................................ 9
F
IGURE
3. T
HE
XR17V258
EGISTER
S
ETS
..................................................................................................................................... 9
1.1 PCI本地总线配置空间寄存器........................................... .................................... 9
T
ABLE
1 ： PCI L
OCAL
B
US
C
ONFIGURATION
S
PACE
R
EGISTERS
....................................................................................................... 10
1.2电源管理寄存器............................................................................................................. 11
T
ABLE
2: P
OWER
M
ANAGEMENT
R
EGISTERS
................................................................................................................................... 11
1.2.1电源状态及V258的电源状态转换...................................... ............................... 12
D0 State.................................................................................................................................................................... 12
D3hot State............................................................................................................................................................... 12
D3COLD国家............................................................................................................................................................. 13
F
IGURE
4. P
OWER
S
TATE
T
的作者RANSITIONS
XR17V258............................................................................................................ 13
1.3特殊的读/写寄存器来存储用户信息........................................ ................ 13
T
ABLE
3: S
PECIAL
R
EAD
/W
RITE
R
EGISTER
..................................................................................................................................... 13
1.4 EEPROM INTERFACE....................................................................................................................................... 14
T
ABLE
4 ： EEPROM的一个
地址H1
D
EFINITIONS
.................................................................................................................................... 14
1.5器件内部的寄存器组............................................................................................................. 14
T
ABLE
5 ： XR17V258 UART
和
D
EVICE
C
ONFIGURATION
R
EGISTERS
........................................................................................... 15
1.6器件配置寄存器......................................................................................................... 17
T
ABLE
6: D
EVICE
C
ONFIGURATION
R
EGISTERS所示。
字节
校准
................................................................................... 17
T
ABLE
7: D
EVICE
C
ONFIGURATION
R
EGISTERS所示。
DWORD
校准
............................................................................... 18
1.6.1全局中断REGISTER....................................................................................................................... 18
F
IGURE
5. T
HE
G
叶形
I
NTERRUPT
R
EGISTER
， INT0 ， INT1 ， INT2
和
INT3 ................................................. ................................. 19
T
ABLE
8 ： UART
HANNEL
[7:0] I
NTERRUPT
S
环境允许
E
NCODING
..................................................................................................... 19
T
ABLE
9 ： UART
HANNEL
[7:0] I
NTERRUPT
C
LEARING
................................................................................................................... 19
1.6.2通用16位定时器/计数器[ TIMERMSB ， TIMELSB ，定时器， TIMECNTL ]（默认0XXX - XX- 00-
00)................................................................................................................................................................................... 20
F
IGURE
6. T
IMER
/C
OUNTER电路
............................................................................................................................................... 20
T
ABLE
10 ：定时器控制研究
EGISTERS
.................................................................................................................................... 21
定时器操作................................................................................................................................................ 21
F
IGURE
7. T
IMER
O
在安输出
O
NE
-S
HOT和
R
E
-
可触发
M
副执行秘书办公室
..........................................................................................
F
IGURE
8. I
NTERRUPT
O
安输出
(
活跃
低）
IN
O
NE
-S
HOT和
R
E
-
可触发
M
副执行秘书办公室
............................................................
1.6.3 8XMODE [ 7 ： 0 ]（默认值0X00)..................................................................................................................................
1.6.4 REGA [15 ： 8 ]（默认值0X00 ） RESERVED................................................................................................................
1.6.5 RESET [23:16 ]（默认0X00).................................................................................................................................
1.6.6 SLEEP [31:24 ]（默认0X00 ） .................................................................................................................................
1.6.7设备标识和版本.................................................................................................................
1.6.8 REGB注册.........................................................................................................................................................
1.6.9多用途输入和输出................................................................................................................
1.6.10 MPIO寄存器......................................................................................................................................................
F
IGURE
9. M
ULTIPURPOSE输入
/
输出内部电路
...........................................................................................................
22
23
23
23
23
24
24
25
25
25
26
2.0晶体振荡器/缓冲器..................................................................................................... 27
F
IGURE
10. T
YPICAL振荡器连接
............................................................................................................................. 28
3.0发送和接收数据......................................................................................................... 28
3.1 FIFO数据装载和卸载32位格式。 .................................................. ................... 28
3.1.1师范大学RX FIFO中的数据卸货地点0X100 ，是0x300 ， 0x500处， 0X700 ................................. ......... 28
3.1.2特殊RX FIFO中的数据卸货地点量0x180 ， 0X380 ， 0X580 ，和0X780 ................................ 29
3.1.3 TX FIFO中的数据加载在位置0X100 ，是0x300 ， 0x500处， 0X700 ， 0X900 ， 0XB00 ，量0xD00 ， 0XF00 ............. 30
3.2 FIFO中的数据加载和卸载通过UART通道寄存器， Thr和RHR在8
I
