參數(shù)資料
型號(hào)： ATF1508RE-7AU100
廠商： Atmel
文件頁(yè)數(shù)： 32/54頁(yè)
文件大?。?/td> 0K
描述： IC CPLD EE 128MC 5NS 100-TQFP
標(biāo)準(zhǔn)包裝： 90
系列： ATF15xx
可編程類型： 系統(tǒng)內(nèi)可編程（最少 10,000 次編程/擦除循環(huán)）
最大延遲時(shí)間 tpd(1)： 7.5ns
電壓電源 - 內(nèi)部： 3 V ~ 3.6 V
宏單元數(shù)： 128
輸入/輸出數(shù)： 80
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 100-TQFP
供應(yīng)商設(shè)備封裝： 100-TQFP（14x14）
包裝： 托盤(pán)
產(chǎn)品目錄頁(yè)面： 608 (CN2011-ZH PDF)
Atmel ATF15xx Family: ISP Devices User Guide
6-1
Section 6
JTAG ISP Guidelines
This section describes important guidelines and information about ISP that all users
must pay attention to when performing ISP operations on Atmel ISP devices.
1.
Make sure all ISP devices on your circuit board are erased before programming.
To prevent the use of the JTAG port pins by any of the ISP devices.
This will enable the JTAG port.
All Atmel ATF15xx devices are shipped in the erased state so that they are ISP-
ready.
2.
Make sure the red LED on the back of the Atmel-ISP cable is on when
programming.
To ensure that the ISP cable is connected properly.
3.
Verify that the correct ISP cable is used.
Atmel-ISP software defaults to using the Atmel-ISP cable.
Must change cable type if using ByteBlaster/ByteBlasterMV cable.
4.
If a parallel cable is used to connect the ISP cable to the PC’s parallel port, make
sure the parallel cable being used is 6 feet long or less.
Parallel cable longer than 6 feet might introduce communication problems
between the ISP cable and the parallel port.
5.
When using Atmel-ISP cable, make sure that the cable is connected to the
ISP\target board before powering up the ISP\target board. Once the ISP\target
board is powered up and the LED on the back of the ISP cable is turned on, then
connect the other side of the ISP cable to the PC’s parallel port.
To eliminate possible communication problem.
6.
Run Self-Calibrate or Manual Calibration if the software is having problems com-
municating with the JTAG device hardware chain.
Self-Calibrate and Manual Calibration allow the user to reduce the transfer
speed of the JTAG signals from the PC’s parallel port to the JTAG device chain.
7.
Make sure your parallel port settings are configured correctly.
The ISP software may have problems running on PCs with Auto mode configu-
ration for parallel port.
Change your BIOS port settings to either ECP or EPP mode.
Confirm your port address setting before using the software.
Default settings are: 0378H for LPT1; 0278H for LPT2.
Other port addresses must be entered manually.
Rev. 1936A-07/01
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