W561XXX Datasheet, PDF (6/7 Pages) Winbond – 4-CH MELODY WITH VOICE SYNTHESIZER

W561XXX
AC Characteristics
PARAMETER
Main-clock Frequency
Frequency Deviation by
Voltage Drop for Ring
Type Oscillator
Machine Cycle Time
POR Pulse Width
SYM.
CONDITIONS
FM Ring type, ROSC = 1.2 MΩ
Crystal type
∆f
f(3V) − f(2.4V)
f
f(3V)
TINS One machine cycle
TPOR
-
MIN.
2.7
-
-
TYP.
3
3
-
MAX.
3.3
-
10
UNIT
MHz
%
1/12
-
1
-
1/6 mS
-
µS
TYPICAL APPLICATION CIRCUIT
Vcc
Vcc
R1
R_OSC
P0.0
P0.1
P0.2
P0.3
P1.0
P1.1
P1.2
P1.3
P2.0
P2.1
P2.2
P2.3
W561xx
DAC1
Rs
OSCSEL
DAC2
Rs
8050
Cs
Vcc
8050
Cs
P3.1
OSCI
RESET
R1 = 220 Ω, Rs = 330 680 Ω, Rosc = 1.2MΩ, Cs = 0.1 µF
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