UR5HCFJL Datasheet, PDF (2/20 Pages) Semtech Corporation – Zero-PowerTM Keyboard Encoder for Portable Systems

FUNCTIONAL DIAGRAM
Data Buffer
ORDERING CODE
Package options
40-pin Plastic DIP
44-pin, Plastic PLCC
44-pin, Plastic QFP
Pitch In mm’s
2 54 mm
1.27 mm
0.8 mm
XX = 16 for FKB7136,06 for FKB1406 matrix compatibility
TA = -40°C to +85°C
UR5HCFJL-XX-P
UR5HCFJL-XX-FN
UR5HCFJL-XX-FB
NL/CL/SL
3
Status LEDs
EKC1
Interrupt Control
KC
PC
Communication
KD
Channel
Row Data Inputs
Column Select
Ouputs
Keyboard Encoder
8
16
R0-R7
C0-C15
16-Bit Timer
EKC
EKD
8042 Emulation
(External Keyboard)
Communication
Channel
Mode Control
DRV
Copyright Semtech, 1997-2001
2
DOC5-FJL-DS-106
www.semtech.com