C164CM datasheet(13/68 Pages) INFINEON

13 / 68 page

C164CM

C164SM

Data Sheet

V1.0, 2001-05

P8.0

P8.1

P8.2

P8.3

I/O

Port 8 is a 4-bit bidirectional I/O port. It is bit-wise

programmable for input or output via direction bits. For a pin

configured as input, the output driver is put into high-

impedance state. Port 8 outputs can be configured as push/

pull or open drain drivers.

The following Port 8 pins also serve for alternate functions:

CC16IO

CAPCOM2: CC16 Capture Inp./Compare Outp.,

CAN1_RxD CAN1 Receive Data Input

CC17IO

CAPCOM2: CC17 Capture Inp./Compare Outp.,

CAN1_TxD CAN1 Transmit Data Output

CC18IO

CAPCOM2: CC18 Capture Inp./Compare Outp.,

CAN1_RxD CAN1 Receive Data Input

CC19IO

CAPCOM2: CC19 Capture Inp./Compare Outp.,

CAN1_TxD CAN1 Transmit Data Output

Note: The CAN interface lines are only available in the

C164CM.

P5.0

P5.1

P5.2

P5.3

P5.4

P5.5

P5.6

P5.7

Port 5 is an 8-bit input-only port with Schmitt-Trigger

characteristic.

The pins of Port 5 also serve as analog input channels for the

A/D converter, or they serve as timer inputs:

AN0

AN1

AN2,

T3EUD GPT1 Timer T3 Ext. Up/Down Ctrl. Inp.

AN3,

T3IN

GPT1 Timer T3 Count Input

AN4,

T2EUD GPT1 Timer T5 Ext. Up/Down Ctrl. Inp.

AN5,

T4EUD GPT1 Timer T4 Ext. Up/Down Ctrl. Inp.

AN6,

T2IN

GPT1 Timer T2 Count Input

AN7,

T4IN

GPT1 Timer T4 Count Input

VAGND 60

–

Reference ground for the A/D converter.

VAREF

–

Reference voltage for the A/D converter.

VDD

7, 16,

32, 48

–

Digital Supply Voltage:

+5 V during normal operation and idle mode.

≥2.5 V during power down mode.

VSS

6, 17,

33, 51

–

Digital Ground.

Table 2

Pin Definitions and Functions (cont’d)

Symbol Pin

No.

Input

Outp.

Function

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