Wired Remote Controller

FORCE

10k

Ω

10nF

SENSE

HOLD

SWITCH

WIRED REMOTE CONTROLLER

TO

AUDIO

CIRCUIT

JACK/PLUG

CONNECTION

MAX11041

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)

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.