C167CS-L datasheet(15/81 Pages) INFINEON

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C167CS-4R

C167CS-L

Data Sheet

V2.2, 2001-08

PORT1

P1L.0-7

P1H.0-7

P1L.0

P1L.1

P1L.2

P1L.3

P1L.4

P1L.5

P1L.6

P1L.7

P1H.4

P1H.5

P1H.6

P1H.7

118-

125

128-

135

118

119

120

121

122

123

124

125

132

133

134

135

I/O

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.

The following PORT1 pins also serve for alternate functions:

AN16

Analog Input Channel 16

AN17

Analog Input Channel 17

AN18

Analog Input Channel 18

AN19

Analog Input Channel 19

AN20

Analog Input Channel 20

AN21

Analog Input Channel 21

AN22

Analog Input Channel 22

AN23

Analog Input Channel 23

CC24IO

CAPCOM2: CC24 Capture Inp./Compare Outp.

CC25IO

CAPCOM2: CC25 Capture Inp./Compare Outp.

CC26IO

CAPCOM2: CC26 Capture Inp./Compare Outp.

CC27IO

CAPCOM2: CC27 Capture Inp./Compare Outp.

XTAL2

XTAL1

137

138

XTAL2:

Output of the oscillator amplifier circuit.

XTAL1:

Input to the oscillator amplifier and input to

the internal clock generator

To clock the device from an external source, drive XTAL1,

while leaving XTAL2 unconnected. Minimum and maximum

high/low and rise/fall times specified in the AC

Characteristics must be observed.

Table 2

Pin Definitions and Functions (cont’d)

Symbol Pin

Num.

Input

Outp.

Function

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