Jtag

VCC - 3,3 Volt VCC

T

25-Pin Małe Hcadcr Connections to PC

—VA

vcc vcc vcc vcc

^J:(2) i (2) i (2) i (2)

18-25

GND.

GND.

CZ>-^Wvⁱ

CZ>^VW^

(1)			GND i— -11
(1)			, ^13
(1)			15
UL		17

74HC244

GND

(1)

1G	VCC
2G	GND
1A1 1A2	1Y1 1Y2
1A3	1Y3
1A4	1Y4
2A1 2A2 2A3 2A4	2Y1 2Y2 2Y3 2Y4

JO

18

i GND

14

12

9

-Wv

-Wr

-Wr

-Wv

20-Pin Pług Connections toIRD ,_c

ID

VCC

d)

(D

(D

(D

<=)

1

GND

Notes:

(1)    Ali senes resistors are 100 Q.

(2)    Ali pull-up resistors are 2.2 K Q.

GND