IA8044/IA8344
Data Sheet
SDLC Communications Controller
March 30, 2010
2.1
PDIP Package
The pinout for the IA8044 and IA8344 40 PDIP package is as shown in Figure 1. Although
Figure 1 shows ―IA8X44,‖ each device has a complete part number marked on its face (see
Chapter 8, Innovasic/Intel Part Number Cross-Reference Tables). The corresponding pinout is
provided in Table 1.
P1.0
P1.1
(1)
VCC
( 40)
( 39)
( 38)
( 37)
( 36)
( 35)
( 34)
( 33)
( 32)
( 31)
( 30)
( 29)
( 28)
( 27)
( 26)
( 25)
(2)
P0.0 ( AD0)
P0.1 ( AD1)
P0.2 ( AD2)
P0.3 ( AD3)
P0.4 ( AD4)
P0.5 ( AD5)
(3)
P1.2
P1.3
(4)
P1.4
(5)
P1.5
(6)
®
( RTS ) P1.6
(7)
(8)
( CTS ) P1.7
RST
P0.6 ( AD6)
P0.7 ( AD7)
(9)
IA8X44
PDIP
( RXD ) P3.0
(10)
(11)
(12)
(13)
(14)
(15)
(16)
(17)
(18)
(19)
( 20)
EA
( TXD ) P3.1
( INT0 ) P3.2
( INT1 ) P3.3
(T0 ) P3.4
( SCLK/T1 ) P3.5
( WR ) P3.6
( RD ) P3.7
XTAL2
ALE
PSEN
P2.7 (A15)
P2.6 (A14)
(A13)
P2.5
(A12)
P2.4
P2.3 (A11)
P2.2 (A10)
( 24)
( 23)
( 22)
(A9)
(A8)
XTAL1
P2.1
P2.0
( 21)
VSS
Figure 1. IA8044 and IA8344 40-Lead PDIP Package Diagram
®
IA211010112-04
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