Download MS34116 Data Sheet ( PDF )

MS34100 Series
M-Square Technologies Corp.
A Subsidiary of Realtek G roup
Peripheral Features
32 I/O ports :
8 Input ports
a. Multiplexed with analog input
of ADC.
b. Built-in Schmitt trigger circuit
for each PI pad.
8 General purpose output ports
(PO) with high output current.
8 General purpose input/output
ports (PA) with wake up function
& high sink output current
8 General purpose input/output
ports (PB) with wake up function.
In input mode, built-in Schmitt
trigger circuit for each PB pad.
LCD driver are programmable to
be I/O ports(PA,PB) : 4*16
Common driver ports : PO4-7(4
ports)
Segment driver ports : PA,PB(16
ports)
Ten 8-bit timers
Two speech timers, one melody timer,
two general-purpose timers that can be
cascaded as one 16-bit timer, one
dedicated IR timer &counter (for
38KHz or 57 KHz carrier), one
watch-dog-timer
V1.2 Data Sheet
Oct.18/2004
LCD driver
LCD power & type: VDD, Type A
Bias & Duty mode: 1/3 bias, 1/4
duty
Common & Segment driver pads:
4 X 16(Max.)
Realtek Advanced PWM/DAC audio
output
Support both PWM & DAC output
for different application (software
programmable) and speech sampling rate can be programmed to
generate speech melody
Dual tone & two speech channels
can be played out simultaneously
Software programmable(4bit) volume
combination (modes)
Software programmable (4 bits)
volume control could fit for variant
impedance speaker.
Provide 4-bit ADPCM type A and
8-bit direct PCM software algorithms for different sound quality
requirements
Speech length can be up to 160
(max) seconds based on 6K Hz
sampling rate of 4-bit ADPCM
www.mshinetek.com
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