Datasheet

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Data Sheet 6 1999-07
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Table 1 Pin Definitions and Functions
Symbol Pin
Num.
TQFP
Pin
Num.
MQFP
Input
Outp.
Function
P5
P5.0
P5.1
P5.2
P5.3
P5.14
P5.15
97
98
99
100
1
2
99
100
1
2
3
4
I
I
I
I
I
I
I
Port 5 is a 6-bit input-only port with Schmitt-Trigger
characteristics. The pins of Port 5 also serve as (up to
4) analog input channels for the A/D converter, or they
serve as timer inputs:
AN0
AN1
AN2
AN3
T4EUD GPT1 Timer T4 Ext. Up/Down Ctrl. Input
T2EUD GPT1 Timer T5 Ext. Up/Down Ctrl. Input
XTAL1
XTAL2
4
5
6
7
I
O
XTAL1: Input to the oscillator amplifier and input to
the internal clock generator
XTAL2: Output of the oscillator amplifier circuit.
To clock the device from an external source, drive
XTAL1, while leaving XTAL2 unconnected. Minimum
and maximum high/low and rise/fall times specified in
the AC Characteristics must be observed.