Datasheet

DS21348/DS21Q348
58 of 76
8. DS21Q348 QUAD LIU
The DS21Q348 is a quad version of the DS21348G utilizing CSBGA on carrier packaging technology.
The four LIUs are controlled via the parallel port mode. Serial and hardware modes are unavailable in
this package.
Table 8-1. DS21Q348 Pin Assignment
PIN I/O
PARALLEL
PORT MODE
J1 I Connect to VSS
K3 I Connect to VSS
J2 I
RD (DS)
H1 I
WR (R/W)
K2 I ALE (AS)
K1 I/O A4
L1 I A3
H11 I A2
H12 I A1
G12 I A0
J10 I/O D7/AD7
H10 I/O D6/AD6
G11 I/O D5/AD5
J9 I/O D4/AD4
E3 I/O D3/AD3
D4 I/O D2/AD2
F3 I/O D1/AD1
D5 I/O D0/AD0
G4 I VSM
K9 I/O
INT
K7 I TEST
L9 I
HRST
J6 I MCLK
L7 I BIS0
M8 I BIS1
M12 I PBTS
J3 I
CS1
D3 I
CS2
D10 I
CS3
K10 I
CS4
K5 O PBEO1
G3 O PBEO2
E10 O PBEO3
K8 O PBEO4
L6 O RCL/LOTC1
D7 O RCL/LOTC2