参数资料
型号: 848A
厂商: B&K Precision
文件页数: 130/137页
文件大小: 0K
描述: MEMORY PROGRAMMER PARALLEL INTER
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
? For laptop or other PC that is not connected to common earth point: make hard - wired
connection from laptop to common earth point (for example use LPT or COM port D –
connector).
? Any devices connected to target system must be connected to common earth point too.
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 application notes. Design of B+K
PRECISION programmers together with respect of these application notes allow proper In-
system programming. Condition is exactly respect these application notes. Applications
notes,
which
B+K PRECISION
use in
ISP programmers,
are
published in
www.bkprecision.com .
Please, read some notes for following recommended circuits.
? Purpose of D1 diode is to protect the target circuit against a higher voltage, which is
provided by ISP programmer.
130
相关PDF资料
PDF描述
85506-0001 CONN MOD JACK VERT 8-8 HI-SPEED
85507-0001 CONN MOD JACK VERT 8-8 SHIELDED
85508-0001 CONN MOD JACK VERT 8-8 SHIELDED
85508-5001 CONN MOD JACK 8POS T/H HI SPEED
85511-0001 CONN MOD JACK VERT 8-8 HI-SPEED
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