Intel mcs-48 manual JfL, Rt T T T T

APPLICATION EXAMPLES

											ALE
									I	Vee
										J
									ALE PSEN EA r --		'"
									'"	'"
									'"	r --	'"
										'"
									'"	'"	'"
									'"	r -	'"
										'"
										r -
										iNT r - iNT
										T'r -	T,
I	I									TOr - To
		AZ A, v~ rr +5V		{ - ~	00 a, 02'	03	00	0, 02 03	03 r"}	58r-- 58
										TO ALL
OE AIO AS AS A7 As As A4	A3	PO/POR b	..	- 0;	"lS'5		::JfL :::	'4lS75	~EN.C.	Vee
										vee~ Vee
2716		VCC~	NC-~
	00
07 Os Os 04 03 02 0,				.- ~	Do 0, D2	03	.....Dro_D,..,-rD,'-TD,____......, .			'039 VS$~VSS
~~~~~-T~~~~____V_S~"~										VDD Ii'"VDO
										J:
L-I-,.....---_+-+--t--t-----------t--+-++------j os,										P 17 t--=----	p 11
										P,st --	P,s
L....-+-+-~----t-l-I_l_----------+-+++-----., DS2										PISt --- P,s

L---+-++

---t,..-I-+-+-----------+-+-+-+------i DB]

P'4 r-----

L

....---++_+_+--t--t_++---~------~-t_+_i-----_1DB,

P'J r----

L....

----+++_+--l_t-+_+_---_+~-----+-t_+_+-----_1DB,

P'2r---

L-------

+-+-+--

t--+-+-++

-----

tl-I-,

----

+-+~~r_----

~DB.

PItt ----

L-------

+-t_+--t~~~e-t_+_++---

__t-I_t--,.....--

+_+-i_i~----

_lDB,

P'Or--

Vee

I

WA

PROG

r --

1:r:r1::1l---

5K

AD.,

X,RST

rT T T T T- --

I~ 00

D,

::L::7:'

D, CK

I~

00 D, ::L::':' D. CK

......,..I-~-_-'fI""F-,"""

.1/lF DECOUPLING CAPACITORS

00

0

a

a 0

4

n.

00 0, 0, 03 n. n.~~~

{r _

DISTRIBUTED EVENl V ON BOARO

1

2'

3

~

...... ~

P14

'"

'"

'"

'"

PROG

RSr

XTAll

		W		~ NC	22.' -::- N.C. L- XTAl2
DOo DO, DO, 00,	DIDDI, DI,DI3 ~·U		DOD 00, DO, 00, 01001,	D"DI~Jt-
	3216	DCE ~	3216	'"o:~ -::-	......--------- 1 WR
DBO DB, DBl DBl			DBo DB, DSzDB3	t----	~IF~R:::,B~B~D:::N-=-CA~B::-lE:-I Ro
		L-____+++-t-I----+-~·l..~(.}<1			~~~~Ei't.K6~'~P
				-""J3*
			~---------------		__;DB7
			L	------------------ 1 DB.
			' -------------------		10B
			' -___________________-;DB,
L	L ....	------------------------------- - i ,
					~DB,DB
L.....------------__________________________--;QB,
L-----------------------------------------------------------------------					;OBo
					' ---

8049 EMULATOR CIRCUIT

5·17