ST10F271Z1 datasheet(14/185 Pages) STMICROELECTRONICS

14 / 185 page

Pin data

ST10F271Z1

14/185

P7.0 - P7.7

19-26

I/O

8-bit bidirectional I/O port, bit-wise programmable for input or output via direction

bit. Programming an I/O pin as input forces the corresponding output driver to

high impedance state. Port 7 outputs can be configured as push-pull or open

drain drivers. The input threshold of Port 7 is selectable (TTL or CMOS).

The following Port 7 pins have alternate functions:

P7.0

POUT0

PWM0: channel 0 output

...

P7.3

POUT3

PWM0: channel 3 output

I/O

P7.4

CC28IO

CAPCOM2: CC28 capture input / compare output

...

I/O

P7.7

CC31IO

CAPCOM2: CC31 capture input / compare output

P5.0 - P5.9

P5.10 - P5.15

27-36

39-44

16-bit input-only port with Schmitt-Trigger characteristics. The pins of Port 5 can

be the analog input channels (up to 16) for the A/D converter, where P5.x equals

ANx (Analog input channel x), or they are timer inputs. The input threshold of

Port 5 is selectable (TTL or CMOS). The following Port 5 pins have alternate

functions:

P5.10

T6EUD

GPT2: timer T6 external up/down control input

P5.11

T5EUD

GPT2: timer T5 external up/down control input

P5.12

T6IN

GPT2: timer T6 count input

P5.13

T5IN

GPT2: timer T5 count input

P5.14

T4EUD

GPT1: timer T4 external up/down control input

P5.15

T2EUD

GPT1: timer T2 external up/down control input

P2.0 - P2.7

P2.8 - P2.15

47-54

57-64

I/O

16-bit bidirectional I/O port, bit-wise programmable for input or output via

direction bit. Programming an I/O pin as input forces the corresponding output

driver to high impedance state. Port 2 outputs can be configured as push-pull or

open drain drivers. The input threshold of Port 2 is selectable (TTL or CMOS).

The following Port 2 pins have alternate functions:

I/O

P2.0

CC0IO

CAPCOM: CC0 capture input/compare output

...

I/O

P2.7

CC7IO

CAPCOM: CC7 capture input/compare output

I/O

P2.8

CC8IO

CAPCOM: CC8 capture input/compare output

EX0IN

Fast external interrupt 0 input

...

I/O

P2.15

CC15IO

CAPCOM: CC15 capture input/compare output

EX7IN

Fast external interrupt 7 input

T7IN

CAPCOM2: timer T7 count input

Table 1.

Pin description (continued)

Symbol

Type

Function

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