866 B&K Precision, 866 Datasheet - Page 159

• Manufacturer Part Number: 866
• Description: PROGRAMMER UNIV W/ USB INTERFACE
• Manufacturer: B&K Precision
• Type: Universalr

Specifications of 866

• Contents: Programmer, Adapter, Cable, Manual and Software
• For Use With/related Products: EPROM, EEPROM-Flash, Serial EPROM, Microcontroller & PLD
• Other names: 866BK; Q2005647

ISP connector
EM Microelectronic EM6812 microcontrollers
Following signals are use for In-system programming of
EM6812 microcontrollers.
SDIO(PB7) and SCLK(PB5) signals are used by the EM6812
for In-system programming, therefore target system mustn’t
affect these signals during In-system programming to avoid
programming errors.
B+K PRECISION’s recommended circuit for EM6812:
RESET
TEST/VPP
SCLK(PB5)
SDIO(PB7)
VDD
VSS
VSS
C2
1u/10V
SDIO(PB7)
SCLK(PB5)
RESET
VDD
R11
100k
TEST/VPP
reset circuit
1N4148
D2
VSS
reset
switch to programming mode
clock
data input / output
power supply
ground
159
VSS
10k
R6
target device
TEST/VPP
RESET
D3
BAT85
SCLK(PB5)
SDIO(PB7)
VSS
+3,3V
VSS
VDD
C1
22n
VSS
EM6812
I1
D3 is optional
diode, if VDD
from
programmer
is used
target system
R1 10k
R2 10k