EM55M/Q450
TINY-CONTROLLER-BASED MTP/QTP SOUND PROCESSOR
PIN DESCRIPTIONS
Symbol
P1.0
P1.1
P1.2
P1.3
I/O
Function
I
I
I
I
Bit 0 of Port 1
Bit 1 of Port 1
Bit 2 of Port 1
Bit 3 of Port 1
P2.0/ PD0
P2.1/ PD1
P2.2/ PD2
P2.3/ PD3
P3.0/ RDYB
P3.1 / WEB
P3.2 / OEB
P3.3/ ACLK
P4.0
I/O Bit 0 of Port 2 / Program data pin for parallel data bit 0,4
I/O Bit 1 of Port 2 / Program data pin for parallel data bit 1,5
I/O Bit 2 of Port 2 / Program data pin for parallel data bit 2,6
I/O Bit 3 of Port 2 / Program data pin for parallel data bit 3,7
I/O Bit 0 of Port 3 / Program Ready signal
I/O Bit 1 of Port 3 / programming write enable
I/O Bit 2 of Port 3 / programming output enable
I/O Bit 3 of Port 3 / programming address increase
I/O Bit 0 of Port 4
P4.1
I/O Bit 1 of Port 4
P4.2
I/O Bit 2 of Port 4
P4.3
I/O Bit 3 of Port 4
TEST / VPP(MTP power)
VDD
I
I
Test / Programming power source
Positive power supply
VSSD
I
Power ground
VCC
VSSC
I
I
Analog positive power supply
Analog power ground
Cin
I
Regulator capacitor
OSCI / CLK
OSCO
RESET
VO1
I
I
I
O
O
Oscillation component pin / Program clock
Oscillation component pin
RESET pin (active high)
Push Pull voice output
Constant current output / Push Pull voice output
VO
ABSOLUTE MAXIMUM RATING
Items
Supply Voltage
Symbol
VDD-VSS
VIN
Min
-0.3
Max
6.0
Unit
V
Input Voltage
VGND-0.3
0.0
VDD+0.3
+70.0
+125.0
V
Operating Temperature
Storage Temperature
TOP
0C
0C
TSTG
-25.0
* This specification are subject to be changed without notice.
4.22.2003 (V1.2)
3
ELAN [ ELAN MICROELECTRONICS CORP ]
