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EM6521 Datasheet(PDF) 4 Page - EM Microelectronic - MARIN SA

Part # EM6521
Description  Mask Rom
PDF  28 Pages
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Manufacturer  EMMICRO [EM Microelectronic - MARIN SA]
Direct Link  http://www.emmicroelectronic.com
Logo EMMICRO - EM Microelectronic - MARIN SA

EM6521 Datasheet(HTML) 4 Page - EM Microelectronic - MARIN SA

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EM65XX
Copyright
© 2005, EM Microelectronic-Marin SA
4
www.emmicroelectronic.com
2.
EM6503
Input/Output ports
All ports if selected as outputs are Push-pull outputs (driving high / low).
Inputs are not blocked when Output is selected and Outputs comes Hi-Z in Sleep mode.
Input/Output Port Options
Pull-Up
Yes / No
Pull-Down
Yes / No
Nch-open drain
Yes / No
Input blocked
when Output
Yes / No
Output Hi-Z in
SLEEP mode
Yes / No
0
1
4
5
6
A0
PA0 input
NO
NO
A1
PA1 input
NO
NO
A2
PA2 input
NO
NO
A3
PA3 input
NO
NO
B0
PB0 In/Out
NO
NO
NO
NO
YES
B1
PB1 In/Out
NO
NO
NO
NO
YES
B2
PB2 In/Out
NO
NO
NO
NO
YES
B3
PB3 In/Out
NO
NO
NO
NO
YES
C0
PC0 In/Out
NO
NO
NO
NO
YES
C1
PC1 In/Out
NO
NO
NO
NO
YES
C2
PC2 In/Out
NO
NO
NO
NO
YES
C3
PC3 In/Out
NO
NO
NO
NO
YES
D0
PD0 In/Out
NO
NO
NO
NO
YES
D1
PD1 In/Out
NO
NO
NO
NO
YES
D2
PD2 In/Out
NO
NO
NO
NO
YES
D3
PD3 In/Out
NO
NO
NO
NO
YES
PortA reset
No PortA reset option is selected
NO PortA reset
combination
PA0 & PA1 logic
AND input reset
PA0 & PA1 & PA2
logic AND input
reset
PA0 & PA1 & PA2 &
PA3 logic AND input
reset
0
1
2
3
RA
PortA RESET
X
Supply Voltage Level Detector
T= -10°C to 60°C
Symb.
Parameter
Min.
Typ.
Max.
Unit
VSVLD1
SVLD voltage Level1
2.25
2.5
2.75
V
VSVLD2
SVLD voltage Level2
3.15
3.5
3.85
V
VSVLD3
SVLD voltage Level3
3.87
4.3
4.73
V



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