ST10F269Z1Q6 datasheet(90/184 Pages) STMICROELECTRONICS

No de pièce	ST10F269Z1Q6

Description	16-BIT MCU WITH MAC UNIT, 128K to 256K BYTE FLASH MEMORY AND 12K BYTE RAM

PDF	184 Pages

Scroll/Zoom	100%

Fabricant	STMICROELECTRONICS [STMicroelectronics]

Site Internet	http://www.st.com

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90 / 184 page

12 - PARALLEL PORTS

ST10F269

90/184

12.11 - Port 8

If this 8-bit port is used for general purpose I/O,

the direction of each line can be configured via the

corresponding direction register DP8. Each port

line can be switched into push/pull or open drain

mode via the open drain control register ODP8.

P8 (FFD4h / EAh)

SFR

ResetValue:--00h

DP8 (FFD6h / EBh)

SFR

Reset Value: --00h

ODP8 (F1D6h / EBh)

ESFR

Reset Value: --00h

765

432

P8.7

P8.6

P8.5

P8.4

P8.3

P8.2

P8.1

P8.0

P8.y

Port Data Register P8 Bit y

765

432

---

DP8.7 DP8.6 DP8.5 DP8.4 DP8.3 DP8.2 DP8.1 DP8.0

DP8.y

Port Direction Register DP8 Bit y

DP8.y = 0: Port line P8.y is an input (high impedance)

DP8.y = 1: Port line P8.y is an output

76543210

-------

ODP8.7 ODP8.6 ODP8.5 ODP8.4 ODP8.3 ODP8.2 ODP8.1 ODP8.0

ODP8.y

Port 8 Open Drain Control Register Bit y

ODP8.y = 0: Port line P8.y output driver in push-pull mode

ODP8.y = 1: Port line P8.y output driver in open drain mode

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