EASY SOUND -E
M
5
6
0
0
0
A
S
E
R
I
E
S
TINYCONTROLLER-BASED
DUALCHANNELSPEECHSYNTHESIZER
PIN DESCRIPTIONS
Symbol
I/O
Function
P1.0
P1.1
P1.2
P1.3
P2.0
P2.1
P2.2
P2.3
P3.0
P3.1
P3.2
P3.3
VDD
OSC
VSS
VO1
VO2
TEST
I
I
I
Bit 0 of Port 1. (not for EM56001A, EM56101A)
Bit 1 of Port 1. (not for EM56001A, EM56101A)
Bit 2 of Port 1. (not for EM56001A, EM56101A)
Bit 3 of Port 1. (not for EM56001A, EM56101A)
Bit 0 of Port 2. (not for EM56001A)
Bit 1 of Port 2. (not for EM56001A)
Bit 2 of Port 2.
Bit 3 of Port 2.
Bit 0 of Port 3.
Bit 1 of Port 3.
Bit 2 of Port 3. The pin can generate 38KHz square wave.
Bit 3 of Port 3. The pin can be treated as an LED output flashing with volume.
Positive power supply.
Oscillation component connection pin.
Negative power supply.
Audio1 output.
Audio2 output. (not for EM56001A, EM56101A)
For testing only
I
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I
I
I
O
O
ABSOLUTE MAXIMUM RATINGS
Items
Sym.
Min.
Max.
Unit
Supply Voltage
VDD-VSS
VIN
-0.3
VSS-0.3
-20
6.0
VDD+0.3
70
V
Input Voltage
V
Operating Temperature
Storage Temperature
TOP
oC
oC
TSTG
-55
+125
ELECTRICAL CHARACTERISTICS
Parameter
Sym.
Min.
Typ.
Max. Unit
Condition
Operating voltage
Standby current
VDD
IDDS
IDDO
IOD
2.4
-
3.0
-
5.5
1.0
250
-
V
µA
µA
mA
mA
VDD=3V
Operating current
Drive current of P2,P3
Sink current of P3
-
-
VDD=3V, No load
VDD=3V, VO=2.4V
VDD=3V, VO=0.4V
2.0
2.3
3.0
3.5
IOS
-
* This specification are subject to be changed without notice.
10.15.2001
2
ELAN [ ELAN MICROELECTRONICS CORP ]
