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C167CS-4R

16-Bit CMOS Single-Chip Microcontrollers C166 Family

Infineon Technologies 

C167CS-4R

C167CS-L

Table 2

Pin Definitions and Functions

Symbol Pin Input Function

Num. Outp.

P6

P6.0 1

P6.1 2

P6.2 3

P6.3 4

P6.4 5

P6.5 6

P6.6 7

P6.7 8

IO

Port 6 is an 8-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 6 outputs can be configured as push/

pull or open drain drivers.

The Port 6 pins also serve for alternate functions:

O

CS0

Chip Select 0 Output

O

CS1

Chip Select 1 Output

O

CS2

Chip Select 2 Output

O

CS3

Chip Select 3 Output

O

CS4

Chip Select 4 Output

I

HOLD External Master Hold Request Input

I/O HLDA

Hold Acknowledge Output (master mode)

or Input (slave mode)

O

BREQ Bus Request Output

P8

P8.0 9

P8.1 10

P8.2 11

P8.3 12

P8.4 13

P8.5 14

P8.6 15

P8.7 16

IO

Port 8 is an 8-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 input threshold of Port 8 is

selectable (TTL or special). Port 8 pins provide inputs/

outputs for CAPCOM2 and serial interface lines.1)

I/O CC16IO CAPCOM2: CC16 Capture Inp./Compare Outp.,

I

CAN1_RxD CAN 1 Receive Data Input,

I

CAN2_RxD CAN 2 Receive Data Input

I/O CC17IO CAPCOM2: CC17 Capture Inp./Compare Outp.,

O

CAN1_TxD CAN 1 Transmit Data Output,

O

CAN2_TxD CAN 2 Transmit Data Output

I/O CC18IO CAPCOM2: CC18 Capture Inp./Compare Outp.,

I

CAN1_RxD CAN 1 Receive Data Input,

I

CAN2_RxD CAN 2 Receive Data Input

I/O CC19IO CAPCOM2: CC19 Capture Inp./Compare Outp.,

I

CAN1_TxD CAN 1 Transmit Data Output,

I

CAN2_TxD CAN 2 Transmit Data Output

I/O CC20IO CAPCOM2: CC20 Capture Inp./Compare Outp.

I/O CC21IO CAPCOM2: CC21 Capture Inp./Compare Outp.

I/O CC22IO CAPCOM2: CC22 Capture Inp./Compare Outp.

I/O CC23IO CAPCOM2: CC23 Capture Inp./Compare Outp.

Data Sheet

5

V2.2, 2001-08

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