ST10F269Z2QX View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST10F269Z2QX

16-BIT MCU WITH MAC UNIT, 256K BYTE FLASH MEMORY AND 12K BYTE RAM

STMicroelectronics 

ST10F269Z2Qx

Port 3 pins with alternate output functions are:

T6OUT, T3OUT, TxD0, BHE and CLKOUT.

When the on-chip peripheral associated with

a Port 3 pin is configured to use both the alternate

input and output function, the descriptions above

apply to the respective current operating mode.

The direction must be set accordingly. Port 3 pins

with alternate input/output functions are: MTSR,

MRST, RxD0 and SCLK.

Note: Enabling the CLKOUT function automati-

cally enables the P3.15 output driver. Set-

ting bit DP3.15=’1’ is not required.

Figure 28 : Block Diagram of Port 3 Pin with Alternate Input or Alternate Output Function

Write ODP3.y

Open Drain

Latch

Read ODP3.y

Write DP3.y

Direction

Latch

Read DP3.y

Write DP3.y

Port Output

Latch

Read P3.y

Alternate

Data Output

Port Data

Output

&

1

MUX

0

Alternate

Data

Input

Output

Buffer

P3.y

Clock

Input

Latch

y = 13, 11...0

71/161

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