NJU6010 Datasheet, PDF (1/13 Pages) New Japan Radio – 24 keys input key-scan IC

Preliminary _NJU6010
24 keys input key-scan IC
! GENERAL DESCRIPTION
The NJU6010 is 24 keys input key-scan IC with internal
oscillation.
It scans the maximum 4x6 key matrix. And the key data
transmit to CPU.
The microprocessor interface circuits that operate
2MHz(Max.) frequency, can be connected directly to serial
microprocessor.
! PACKAGE OUTLINE
NJU6010
! FEATURES
# Key-scan Function (Maximum matrix 4 x 6 = 24-key)
# Serial Data Transmission (Shift Clock 2MHz max.)
# Oscillation Circuit On-chip
# Power On Reset Function
# Operating Voltage
2.4 to 5.5V
# C-MOS Technology
P-Sub
# Package Outline
SSOP16
! BLOCK DIAGRAM
VDD
VSS
TEST
DATA
CSb
SCL
OSC
Circuit
Serial
I/F
K0~K5 S0~S3
Key-scan circuit
Key register
Power ON Reset
Circuit
• SSOP16
TEST
1
CSb
2
SCL
3
DATA
4
S0
5
S1
6
S2
7
S3
8
16
VDD
15
K0
14
K1
13
K2
12
K3
11
K4
10
K5
9
VSS
Ver.2009-08-20
-1-