C868 Datasheet, PDF (11/82 Pages) Infineon Technologies AG – 8-Bit Single-Chip Microcontroller

C868
Table 1
Pin Definitions and Functions
Symbol Pin Numbers I/O*) Function
P-
P-
DSO- TSSOP-
28 38
V_SSC
25
27
V_DDC
26
28
– Core Ground (0V)
O Core Internal Reference (+2.5V)
Connect 2*68 - 470nF ceramic capacitor across
this pin and core ground.
NC
–
5,7,8,18, – Not connected
19,20,21,
22,23,35
XTAL1 27 29
I XTAL1
Output of the inverting oscillator amplifier.
XTAL2 28 30
O XTAL2
Input to the inverting oscillator amplifier and input to
the internal clock generation circuits.
To drive the device from an external clock source,
XTAL2 should be driven, while XTAL1 is left
unconnected.
*)I=Input
O=Output
Data Sheet
11
V 1.0, 2003-05