Intel 80L186EC, 80L188EC, 80L186EB, 80C186EB, 80C188EB, 80L188EB Intel 186 EC Evaluation Board Layout

INTEL 186 EB/EC EVALUATION BOARD USER’S MANUAL

	J2	C19
	C32
	+5V GND	5V/3V Select
	C21 R11
C33	C30	E1
	C31	A B C
	C24	C20
D3	U11 R12	U6
	R13	C22
	C26
L3		L2

J1

C8

	R2
	P1
R3	PC Interface

	GND	TP7	C25
		U13
80X186EC			C27
EVAL 3V /	U14		U12
5V
	C34		C28	C23
T0IN	JP2
	T1OUT
T1IN	T0OUT

	U7
			C15		WRT
				A	PROT	E2
				B C		D
U8				A		E3
		C16		B C		D
					V
					PP
					SELECT

U5

U2

	C11
	C12
GND	TP6	C10
	U3

C9

C13 R8 R7

C2	P2
C3	DCE Conntector

C4	TP1
L1	TP2
C5
	TP3
Y1
	TP4
	TP5 C6

VCC	VCC	RP1
INT0	P3.0
INT1	P3.1		186/188
INT2	P3.2
INT3	P3.3		SELECT
INT4	P3.4			E5
INT5	P3.5	C29	A B C
INT6	WDTOUT#
INT7	GND
INTA#	BCLK0
GND	P2.3
DRQ0	RXD1
DRQ1	TXD1
DRQ2	P2.6
DRQ3	CTS1#
GND	GND
GCS6#	+5V
GCS7#	+12V

	U9		R9
FLASH
PWRDN
		E4
A B C			C17
U10
			R10
		C18

U4	D1
R4
Q1
C7	S1
R5

	R6		R1
C14		U1		C1

GND

TP8

GND

DT-R#

DEN#

RESOUT

BHE#

WR#

RD#

LA19

LA18

LA17

LA16

GND

LA15

LA14

LA13

LA12

LA11

LA10

LA9

LA8

GND

LA7

LA6

LA5

LA4

LA3

LA2

LA1

LA0

CC

V

JP1

GND

CLKOUT

+5V

+12V

GCS5#

NMI

LOCK#

ALE

READY

HOLD

HLDA

GND

AD15

AD14

AD13

AD12

AD11

AD10

AD9

AD8

GND

AD7

AD6

AD5

AD4

AD3

AD2

AD1

AD0

V

CC

A5288-01

Figure 2-2. Intel 186 EC Evaluation Board Layout

2-2