EV8000 Datasheet, PDF (34/35 Pages) CML Microcircuits – Evaluation Kit User

Evaluation Kit User Manual for FX828 and FX829
EV8000
Operating Characteristics
For the following conditions unless otherwise specified:
Evaluation Devices Xtal Frequency = 4.032MHz, µC Xtal Frequency = 4.0MHz,
V_DD = 3.3V or 5.0V, Tamb = +25°C.
DC Parameters
I_{DD (total)}
AC Parameters
OSC1 Input to PIC µC
'High' pulse width
'Low' pulse width
Notes
1
Min.
-
Typ.
100.0
2
50.0
-
2
50.0
-
Xtal/Clock Input to Evaluation Device
'High' pulse width
'Low' pulse width
2
40.0
-
2
40.0
-
“C-BUS” Interface
Input logic "1" level
Input logic "0" level
Input leakage current (Vin = 0 to V_DD)
Input capacitance
Output logic "1" level (l_OH = 120µA)
Output logic "0" level (l_OL = 360µA)
External Loudspeaker Output
Load Impedance
3 80%
3
-
3
-5.0
3
-
4 90%
4
-
-
-
-
10.0
-
-
8.0
-
Max.
-
-
-
-
-
-
20%
+5.0
-
-
10%
-
Units
mA
ns
ns
ns
ns
V_DD
V_DD
µA
pF
V_DD
V_DD
Ω
Notes:
1. Not including any current drawn from the board connector pins by external circuitry.
2. Timing for an external input to the XTAL/CLOCK pin.
3. When µC pin is configured as an input.
4. When µC pin is configured as an output.
Operating Characteristics - Timing Diagrams
For FX828/FX829 timing information and operating characteristics, refer to CML Data Sheets.
For µC timing information and operating characteristics, see manufacturer's literature (Arizona Microchip
Technology).
© 2004 CML Microsystems Plc
34
UM8000/4