C164CI 데이터 시트보기 (PDF) - Infineon Technologies

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C164CI

16-Bit Single-Chip Microcontroller

Infineon Technologies 

C164CI/SI

C164CL/SL

Table 2

Pin Definitions and Functions

Symbol Pin

No.

Input Function

Outp.

P5

I

P5.0 76

I

P5.1 77

I

P5.2 78

I

P5.3 79

I

P5.4 2

I

P5.5 3

I

P5.6 4

I

P5.7 5

I

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

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

AN3

AN4,

T2EUD GPT1 Timer T2 Ext. Up/Down Ctrl. Inp.

AN5,

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

AN6,

T2IN GPT1 Timer T2 Input for

Count/Gate/Reload/Capture

AN7,

T4IN GPT1 Timer T4 Input for

Count/Gate/Reload/Capture

P3

P3.4 8

P3.6 9

P3.8 10

P3.9 11

P3.10 12

P3.11 13

P3.12 14

P3.13 15

P3.15 16

IO

Port 3 is a 9-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 3 outputs can be configured as push/

pull or open drain drivers. The input threshold of Port 3 is

selectable (TTL or special).

The following Port 3 pins also serve for alternate functions:

I

T3EUD GPT1 Timer T3 External Up/Down Control Input

I

T3IN

GPT1 Timer T3 Count/Gate Input

I/O MRST SSC Master-Receive/Slave-Transmit Inp./Outp.

I/O MTSR SSC Master-Transmit/Slave-Receive Outp./Inp.

O

TxD0

ASC0 Clock/Data Output (Async./Sync.)

I/O RxD0

ASC0 Data Input (Async.) or Inp./Outp. (Sync.)

O

BHE

External Memory High Byte Enable Signal,

O

WRH

External Memory High Byte Write Strobe

I/O SCLK

SSC Master Clock Output / Slave Clock Input.

O

CLKOUT System Clock Output (= CPU Clock),

O

FOUT

Programmable Frequency Output

Data Sheet

5

V2.0, 2001-05

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