Table 1. control register, Table 2. fifo data format – Rainbow Electronics MAX11042 User Manual
Page 7
MAX11041/MAX11042
Wired Remote Controllers
R
SENSE
C
SENSE
FORCE
10k
Ω
10nF
SENSE
HOLD
SWITCH
WIRED REMOTE CONTROLLER
R
JACK
TO
AUDIO
CIRCUIT
JACK/PLUG
CONNECTION
R
SW0
R
SW1
R
SW30
MAX11041
MAX11042
Figure 2. Recommended FORCE and SENSE Configuration
____________________________________________________________________________________
7
BITS
READ/WRITE
POWER-UP STATE
DESCRIPTION
C7
R/W
1
0 = FORCE is high-impedance
1 = FORCE is not high-impedance (normal operation)
C6
R/W
0
0 = Normal operation
1 = Power-down state, full reset
C5
R
1
1 = FIFO is empty
0 = FIFO is not empty
C4–C0
—
Not used
Reading/writing has no effect
Table 1. Control Register
FIFO DATA
BIT NAMES
Keypress type (MAX11041)
K2
K1
K0
X
X
X
X
X
Keypress type (MAX11042)
K7
K6
K5
K4
K3
K2
K1
K0
Keypress duration
OF
T6
T5
T4
T3
T2
T1
T0
Table 2. FIFO Data Format
X = Don’t care.