C165 datasheet(12/77 Pages) INFINEON

12 / 77 page

C165

Data Sheet

V2.0, 2000-12

–

This pin is not connected in the C165.

No connection to the PCB is required.

PORT0

P0L.0-7

P0H.0-7

41-48

51-58

43-50

53-60

PORT0 consists of the two 8-bit bidirectional I/O

ports P0L and P0H. 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. In case of an external bus configuration,

PORT0 serves as the address (A) and address/data

(AD) bus in multiplexed bus modes and as the data

(D) bus in demultiplexed bus modes.

Demultiplexed bus modes:

Data Path Width:

8-bit

16-bit

P0L.0 – P0L.7:

D0 – D7

P0H.0 – P0H.7:

I/O

D8 – D15

Multiplexed bus modes:

Data Path Width:

8-bit

16-bit

P0L.0 – P0L.7:

AD0 – AD7

P0H.0 – P0H.7:

A8 – A15

AD8 – AD15

PORT1

P1L.0-7

P1H.0-7

59-66

67,68,

71-76

61-68

69-70,

73-78

PORT1 consists of the two 8-bit bidirectional I/O

ports P1L and P1H. 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. PORT1 is used as the 16-bit address bus (A)

in demultiplexed bus modes and also after switching

from a demultiplexed bus mode to a multiplexed bus

mode.

Table 2

Pin Definitions and Functions (cont’d)

Symbol Pin Nr

TQFP

Pin Nr

MQFP

Input

Outp.

Function

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