参数资料
型号: 866
厂商: B&K Precision
文件页数: 153/172页
文件大小: 0K
描述: PROGRAMMER UNIV W/ USB INTERFACE
标准包装: 1
类型: 通用
适用于相关产品: EPROM、EEPROM 闪存、串行 EPROM、微控制器和 PLD
所含物品: 编程器、适配器、缆线、手册和软件
其它名称: 866BK
Q2005647
Direction of connect B+K PRECISION ISP
programmer to target system:
During in-system programming you connect two electrical
devices – ISP programmer and target system. Unqualified
connection can damage these devices.
Note: When you don’t keep below directions and you damage
programmer during in-system programming, it is damage of
programmer by unqualified manipulation and is out of warranty.
1. Turn off both devices – ISP programmer and target device.
2. Assign same GND potential for all devices, e.g. connect GND
of all devices by wire.
3. Insert one connector of ISP cable to ISP programmer, turn on
programmer and control program.
4. In control program select target device and operation options.
5. Start action on target device (read, program).
6. After direction of control program, connect other ISP cable
connector to target system and turn on it.
7. After direction of control program, disconnect other ISP cable
connector from target system and turn off it.
8. If you need another action on target device, you continue with
step 5.
The recommendation for design of target
system with ISP programmed device
The target system must be designed to allow all signals, which
are use for In-system programming to be directly connected to
ISP programmer via ISP connector. If target system use these
signals for other function, is necessary isolated these signals.
Target system mustn’t affect these signals during In-system
programming.
For in-system programmable devices manufacturers publish
applications notes. Design of B+K PRECISION programmers
together with respect of these application notes allows proper
In-system programming. Condition is exactly respect these
application notes Allocations notes, which B+K PRECISION
use in ISP programmers
are published
on
Please, read some notes for following recommended circuits.
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Purpose of D1 diode is to protect the target circuit against a
higher voltage, which is provided by ISP programmer.
If your target board supply differs from mentioned 5V,
choose please the Zener diode (D1) voltage according to
this supply voltage.
We recommend using resistors R1, R2, (R3) to separate
the target device from target system. If pins needed for ISP
153
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