参数资料
型号: 866
厂商: B&K Precision
文件页数: 160/172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
NEC uPD78Fxxxx microcontrollers
This interface corresponds with NEC User's manual of selected
target device. This User's manual describes requirements for
target system with In-system programming device and ISP
programmer.
Following
signal
are
used for
In-system
programming of uPD78Fxxxx microcontrollers.
RESET reset device
VPP
SI
SO
SCK
switch device to programming mode
serial data input
serial data output
serial data clock
VDD power supply
VSS ground
When device
is programmed,
pin VPP is
driven to
approximately 10V. SI, SO, SCK pins are used by device for
In-system programming, therefore target system mustn’t affect
these signals
during In-system
programming
to avoid
programming error. As well, RESET pin should be isolated (or
not affected) during programming the device.
B+K PRECISION’s recommended circuit for uPD78Fxxxx:
ISP connector
DATA IN
DATA OUT
SCK
VPP
RESET
VDD
target device
C1
target system
VSS
D2
1N4148
VDD
22n
VSS
VDD
R11
100k
VPP
SI
SO
SCK
R1 22k
R2 22k
R3 22k
C2
1u/10V
VSS
R6
10k
VSS
RESET
VSS
VSS
I1
NEC
μ PD78Fxxxx
reset circuit
160
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