ST10R172L Datasheet, PDF (5/68 Pages) STMicroelectronics – 16-BIT LOW VOLTAGE ROMLESS MCU

ST10R172L - PIN DESCRIPTION
P5.10
–P5.15
98-100 I
1- 3
I
98
I
99
I
100
I
1
I
2
I
3
I
XTAL1 5
I
XTAL2 6
O
5S 6-bit input-only port with Schmitt-Trigger characteristics.
5S ^{Port 5 pins also serve as timer inputs:}
5S P5.10
T6EUD
GPT2 Timer T6 Ext.Up/Down
Ctrl.Input
5S P5.11
T5EUD
GPT2 Timer T5 Ext.Up/Down
Ctrl.Input
5S P5.12
T6IN
GPT2 Timer T6 Count Input
5S P5.13
T5IN
GPT2 Timer T5 Count Input
5S P5.14
T4EUD
GPT1 Timer T4 Ext.Up/Down
Ctrl.Input
5S P5.15
T2EUD
GPT1 Timer T2 Ext.Up/Down
Ctrl.Input
3T XTAL1: Input to the oscillator amplifier and internal clock
generator
3T XTAL2: Output of the oscillator amplifier circuit.
To clock the device from an external source, drive
XTAL1, while leaving XTAL2 unconnected.
Observe minimum and maximum high/low and
rise/fall times specified in the AC Characteristics.
Table 1 Pin definitions
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