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参数资料
| 型号： | D12 ISA PC EVAL KIT |
| 厂商： | NXP Semiconductors |
| 文件页数： | 11/14页 |
| 文件大小： | 0K |
| 描述： | EVAL KIT FOR PDIUSBD12 USB EPP |
| 标准包装： | 1 |
| 主要目的： | 接口，USB 2.0 主机/控制器 |
| 已用 IC / 零件： | PDIUSBD12 |
| 已供物品： | 板 |
| 相关产品： | 568-1092-6-ND - IC USB INTRFC W/PARL BUS 28TSSOP PDIUSBD12DTM-ND - IC USB INTRFC W/PARL BUS 28-SOIC PDIUSBD12PWAA-ND - IC USB INTRFC W/PARL BUS 28TSSOP 568-1092-1-ND - IC USB INTRFC W/PARL BUS 28TSSOP 568-1092-2-ND - IC USB INTRFC W/PARL BUS 28TSSOP 568-1091-5-ND - IC USB INTRFC W/PARL BUS 28-SOIC |
| 其它名称： | Q2544495 |
Interconnectivity
PDIUSBD12 Evaluation Board (PC Kit) User’s Manual
Page 11 of 14
REV. 2.1
17
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24
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I/O
I
I
I
I
O
I
O
POWER
DATA0
T/C, Terminal Count: This line provides a pulse when terminal count
for any DMA channel is reached. This signal is active high.
ADDR2
-DACK: This line is used to acknowledge DMA request and is active
low.
ADDR1
DRQ: This line is asynchronous channel request used by peripheral
devices to gain DMA service. A DMA request is generated by bringing
DRQ line to an active high.
ADDR0
IRQ: This line is raising edge triggered. An interrupt request is
generated by raising this line high and hold until it is acknowledged by
the processor.
GND
PAL Equations
Address and command decoder
/** Inputs **/
Pin 1 = ADDR2;
Pin 2 = ADDR1;
Pin 3 = ADDR0;
Pin 4 = !IOW;
Pin 5 = !IOR;
Pin 6 = !DACK;
Pin 7 = !AD_EN;
Pin 8 = RESET;
Pin 9 = INT_N;
Pin 11 = INT_EN;
/** Outputs **/
Pin 12 = IRQ;
Pin 13 = RESET_N;
Pin 14 = RD_N;
Pin 15 = WAIT;
Pin 16 = !CS_D12;
Pin 17 = !WR_273;
Pin 18 = !RD_244;
Pin 19 = !DIR_245;
/** Logic Equations **/
!DIR_245 = (!AD_EN & !DACK) # !IOR # RESET;
!RD_244 = !AD_EN # !(!ADDR2 & ADDR1 & !ADDR0) # !IOR;
!WR_273 = !AD_EN # !(!ADDR2 & ADDR1 & ADDR0) # !IOW;
!CS_D12 = !AD_EN # !(!ADDR2 & !ADDR1) # (!IOW & !IOR);
RESET_N = !RESET;
IRQ = !INT_N & INT_EN;
WAIT.OE = CS_D12;
WAIT = RESET;
RD_N = !IOR;
_______________________________________________________________________________________________
Philips Semiconductors - Asia Product Innovation Centre
Visit http://www.flexiusb.com
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