XC161CS-32F datasheet(18/84 Pages) INFINEON

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XC161-32

Derivatives

General Device Information

Data Sheet

V1.0, 2004-11

PORT0

P0L.0 -

P0L.7,

P0H.0,

P0H.1,

P0H.2 -

P0H.7

95 -

102,

105,

106,

111 -

116

PORT0 consists of the two 8-bit bidirectional I/O ports P0L

and P0H. Each pin can be programmed for input (output

driver in high-impedance state) or output.

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:

8-bit data bus: P0H = I/O, P0L = D7 - D0

16-bit data bus: P0H = D15 - D8, P0L = D7 - D0

Multiplexed bus modes:

8-bit data bus: P0H = A15 - A8, P0L = AD7 - AD0

16-bit data bus: P0H = AD15 - AD8, P0L = AD7 - AD0

Note: At the end of an external reset (EA = 0) PORT0 also

may input configuration values.

PORT1

P1L.0 -

P1L.6

P1L.7

P1H.0

P1H.1

P1H.2

P1H.3

P1H.4

P1H.5

P1H.6

P1H.7

117 -

123

124

127

128

129

130

131

132

133

134

I/O

PORT1 consists of the two 8-bit bidirectional I/O ports P1L

and P1H. Each pin can be programmed for input (output

driver in high-impedance state) or output.

PORT1 is used as the 16-bit address bus (A) in

demultiplexed bus modes (also after switching from a

demultiplexed to a multiplexed bus mode).

The following PORT1 pins also serve for alt. functions:

(A0-6)

Address output only

CC22IO

CAPCOM2: CC22 Capture Inp./Compare Outp.

CC23IO

CAPCOM2: CC23 Capture Inp./Compare Outp.,

EX0IN

Fast External Interrupt 0 Input (alternate pin B)

MRST1

SSC1 Master-Receive/Slave-Transmit In/Outp.

MTSR1

SSC1 Master-Transmit/Slave-Receive Out/Inp.

SCLK1

SSC1 Master Clock Output/Slave Clock Input,

EX0IN

Fast External Interrupt 0 Input (alternate pin A)

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.

Table 2

Pin Definitions and Functions (cont’d)

Sym-

bol

Num.

Input

Outp.

Function

XC161CS-32F Datasheet(PDF) 18 Page - Infineon Technologies AG

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