ST10F166 datasheet(7/62 Pages) STMICROELECTRONICS

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ST10F166

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P3.0 –

P3.15

80 – 92,

95 – 97

I/O

Port 3 is a 16-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.

The following Port 3 pins also serve for alternate functions:

P3.0T0INCAPCOM Timer T0 Count Input

P3.1T6OUTGPT2 Timer T6 Toggle Latch Output

P3.2CAPINGPT2 Register CAPREL Capture Input

P3.3T3OUTGPT1 Timer T3 Toggle Latch Output

P3.4T3EUDGPT1 Timer T3 Ext.Up/Down Ctrl.Input

P3.5T4INGPT1 Timer T4 Input for

Count/Gate/Reload/Capture

P3.6T3INGPT1 Timer T3 Count/Gate Input

P3.7T2INGPT1 Timer T2 Input for

Count/Gate/Reload/Capture

P3.8TxD1ASC1 Clock/Data Output (Asyn./Syn.)

P3.9RxD1ASC1 Data Input (Asyn.) or I/O (Syn.)

P3.10T

×D0ASC0 Clock/Data Output (Asyn./Syn.)

P3.11R

×D0ASC0 Data Input (Asyn.) or I/O (Syn.)

P3.12BHEExt. Memory High Byte Enable Signal,

P3.13WRExternal Memory Write Strobe

P3.14READYReady Signal Input

P3.15CLKOUTSystem Clock Output (=CPU Clock)

P0.0 –

P0.15

98 – 5

8– 15

I/O

Port 0 is a 16-bit bidirectional IO 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.

In case of an external bus configuration, Port 0 serves as the ad-

dress (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

P0.0 – P0.7:D0 – D7

D0 - D7

P0.8 – P0.15:output!

D8 - D15

Multiplexed bus modes:

Data Path Width:8-bit 16-bit

P0.0 – P0.7:AD0 – AD7AD0 - AD7

P0.8 – P0.15:A8 - A15 AD8 - AD15

VAREF

Reference voltage for the A/D converter for ST10F166 &

ST10F166-16..

VAGND

Reference ground for the A/D converter for ST10F166 &

ST10F166-16..

VDD

7, 18, 38,

61, 79,

Digital Supply Voltage:

+ 5 V during normal operation and idle mode.

≥ 2.5 V during power down mode

VSS

6, 21, 39,

60, 78,

Digital Ground.

Symbol

Number

Input (I)

Output (O)

Function

Table 1. Pin Definition and Function

ST10F166 数据表(PDF) 7 Page - STMicroelectronics

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