欢迎访问ic37.com |
会员登录 免费注册
发布采购

FDC37B78X_07 参数 Datasheet PDF下载

FDC37B78X_07图片预览
型号: FDC37B78X_07
PDF下载: 下载PDF文件 查看货源
内容描述: 超级I / O控制器,支持ACPI ,实时时钟和消费性红外端口 [Super I/O Controller with ACPI Support, Real Time Clock and Consumer IR]
分类和应用: 控制器时钟
文件页数/大小: 249 页 / 865 K
品牌: SMSC [ SMSC CORPORATION ]
 浏览型号FDC37B78X_07的Datasheet PDF文件第181页浏览型号FDC37B78X_07的Datasheet PDF文件第182页浏览型号FDC37B78X_07的Datasheet PDF文件第183页浏览型号FDC37B78X_07的Datasheet PDF文件第184页浏览型号FDC37B78X_07的Datasheet PDF文件第186页浏览型号FDC37B78X_07的Datasheet PDF文件第187页浏览型号FDC37B78X_07的Datasheet PDF文件第188页浏览型号FDC37B78X_07的Datasheet PDF文件第189页  
Parallel Port, Logical Device 3  
TABLE 77 - PARALLEL PORT, LOGICAL DEVICE 3 [LOGICAL DEVICE NUMBER = 0X03]  
NAME  
REG INDEX  
DEFINITION  
STATE  
PP Mode  
Register  
0xF0 R/W  
Bits[2:0] Parallel Port Mode  
C
= 100 Printer Mode (default)  
= 000 Standard and Bi-directional (SPP) Mode  
= 001 EPP-1.9 and SPP Mode  
= 101 EPP-1.7 and SPP Mode  
= 010 ECP Mode  
Default =  
0x3C  
on Vcc POR  
or  
= 011 ECP and EPP-1.9 Mode  
= 111 ECP and EPP-1.7 Mode  
Reset_Drv  
Bit[6:3] ECP FIFO Threshold  
0111b (default)  
Bit[7] PP Interupt Type  
Not valid when the parallel port is in the Printer  
Mode (100) or the Standard & Bi-directional Mode  
(000).  
= 1 Pulsed Low, released to high-Z.  
= 0 IRQ follows nACK when parallel port in EPP Mode  
or [Printer,SPP, EPP] under ECP.  
IRQ level type when the parallel port is in ECP, TEST,  
or Centronics FIFO Mode.  
PP Mode  
Register 2  
0xF1 R/W  
Bits[1:0] PPFDC - muxed PP/FDC control  
= 00 Normal Parallel Port Mode  
= 01 PPFD1:Drive 0 is on the FDC pins  
Drive 1 is on the Parallel port pins  
Drive 2 is on the FDC pins  
Default =  
0x00  
on Vcc POR  
or  
Reset_Drv  
Drive 3 is on the FDC pins  
= 10 PPFD2:Drive 0 is on the Parallel port pins  
Drive 1 is on the Parallel port pins  
Drive 2 is on the FDC pins  
Drive 3 is on the FDC pins  
Bits[7:2] Reserved. Set to zero.  
188  
 复制成功!