80C186Ea Pinout - Intel 80C186EA Preliminary Information

80C186EA PINOUT

Tables 4 and 5 list the 80C186EA pin names with
package location for the 68-pin Plastic Leaded Chip
Carrier (PLCC) component Figure 9 depicts the
complete 80C186EA 80L186EA pinout (PLCC pack-
age) as viewed from the top side of the component
(i e contacts facing down)
Tables 6 and 7 list the 80C186EA pin names with
package location for the 80-pin Quad Flat Pack
(EIAJ) component Figure 6 depicts the complete
Address Data Bus
Name Location
AD0 17
AD1 15
AD2 13
AD3 11
AD4 8
AD5 6
AD6 4
AD7 2
AD8 (A8) 16
AD9 (A9) 14
AD10 (A10) 12
AD11 (A11) 10
AD12 (A12) 7
AD13 (A13) 5
AD14 (A14) 3
AD15 (A15) 1
A16 68
A17 67
A18 66
A19 S6 65
NOTE
Pin names in parentheses apply to the 80C188EA 80L188EA
Table 4 PLCC Pin Names with Package Location
Bus Control
Name Location
ALE QS0 61
BHE (RFSH) 64
S0 52
S1 53
S2 54
RD QSMD 62
WR QS1 63
ARDY 55
SRDY 49
DEN 39
LOCK 48
HOLD 50
HLDA 51
Power
Name Location
V 26 60
SS
V 9 43
CC
80C186EA 80C188EA 80L186EA 80L188EA
80C186EA 80C188EA (EIAJ QFP package) as
viewed from the top side of the component (i e con-
tacts facing down)
Tables 8 and 9 list the 80C186EA 80C188EA pin
names with package location for the 80-pin Shrink
Quad Flat Pack (SQFP) component Figure 7 depicts
the complete 80C186EA 80C188EA (SQFP) as
viewed from the top side of the component (i e con-
tacts facing down)
Processor Control
Name Location
RESIN 24
RESOUT 57
CLKIN 59
OSCOUT 58
CLKOUT 56
TEST BUSY 47
PDTMR 40
NMI 46
INT0 45
INT1 SELECT 44
INT2 INTA0 42
INT3 INTA1 41
IRQ
I O
Name Location
UCS 34
LCS 33
MCS0 PEREQ 38
MCS1 ERROR 37
MCS2 36
MCS3 NCS 35
PCS0 25
PCS1 27
PCS2 28
PCS3 29
PCS4 30
PCS5 A1 31
PCS6 A2 32
T0OUT 22
T0IN 20
T1OUT 23
T1IN 21
DRQ0 18
DRQ1 19
15
15