Port Registers, Address Description | National CP3BT26 specs

CP3BT26

	Table 29	Port Registers

Name	Address		Description


PBALT	FF FB00h		Port B Alternate
PBALT	FF FB00h		Function Register
			Function Register

PBDIR	FF FB02h		Port B Direction Register

PBDIN	FF FB04h		Port B Data Input Register

PBDOUT	FF FB06h		Port B Data Output Register

PBWPU	FF FB08h		Port B Weak Pull-Up
PBWPU	FF FB08h		Register
			Register

PBHDRV	FF FB0Ah		Port B High Drive
PBHDRV	FF FB0Ah		Strength Register
			Strength Register

PBALTS	FF FB0Ch		Port B Alternate Function
PBALTS	FF FB0Ch		Select Register
			Select Register

PCALT	FF FB10h		Port C Alternate
PCALT	FF FB10h		Function Register
			Function Register

PCDIR	FF FB12h		Port C Direction Register

PCDIN	FF FB14h		Port C Data Input Register

PCDOUT	FF FB16h		Port C Data Output Register

PCWPU	FF FB18h		Port C Weak Pull-Up
PCWPU	FF FB18h		Register
			Register

PCHDRV	FF FB1Ah		Port C High Drive
PCHDRV	FF FB1Ah		Strength Register
			Strength Register

PCALTS	FF FB1Ch		Port C Alternate Function
PCALTS	FF FB1Ch		Select Register
			Select Register

PEALT	FF FCC0h		Port E Alternate
PEALT	FF FCC0h		Function Register
			Function Register

PEDIR	FF FCC2h		Port E Direction Register

PEDIN	FF FCC4h		Port E Data Input Register

PEDOUT	FF FCC6h		Port E Data Output Register

PEWPU	FF FCC8h		Port E Weak Pull-Up
PEWPU	FF FCC8h		Register
			Register

PEHDRV	FF FCCAh		Port E High Drive
PEHDRV	FF FCCAh		Strength Register
			Strength Register

PEALTS	FF FCCCh		Port E Alternate Function
PEALTS	FF FCCCh		Select Register
			Select Register

PFALT	FF FCE0h		Port F Alternate
PFALT	FF FCE0h		Function Register
			Function Register

PFDIR	FF FCE2h		Port F Direction Register

PFDIN	FF FCE4h		Port F Data Input Register

PFDOUT	FF FCE6h		Port F Data Output Register

PFWPU	FF FCE8h		Port F Weak Pull-Up
PFWPU	FF FCE8h		Register
			Register

	Table 29	Port Registers

Name	Address		Description


PFHDRV	FF FCEAh		Port F High Drive
PFHDRV	FF FCEAh		Strength Register
			Strength Register

PFALTS	FF FCECh		Port F Alternate Function
PFALTS	FF FCECh		Select Register
			Select Register

PGALT	FF F300h		Port G Alternate
PGALT	FF F300h		Function Register
			Function Register

PGDIR	FF F302h		Port G Direction Register

PGDIN	FF F304h		Port G Data Input Register

PGDOUT	FF F306h		Port G Data Output Register

PGWPU	FF F308h		Port G Weak Pull-Up
PGWPU	FF F308h		Register
			Register

PGHDRV	FF F30Ah		Port G High Drive
PGHDRV	FF F30Ah		Strength Register
			Strength Register

PGALTS	FF F30Ch		Port G Alternate Function
PGALTS	FF F30Ch		Select Register
			Select Register

PHALT	FF F320h		Port H Alternate
PHALT	FF F320h		Function Register
			Function Register

PHDIR	FF F322h		Port H Direction Register

PHDIN	FF F324h		Port H Data Input Register

PHDOUT	FF F326h		Port H Data Output Register

PHWPU	FF F328h		Port H Weak Pull-Up
PHWPU	FF F328h		Register
			Register

PHHDRV	FF F32Ah		Port H High Drive
PHHDRV	FF F32Ah		Strength Register
			Strength Register

PHALTS	FF F32Ch		Port H Alternate Function
PHALTS	FF F32Ch		Select Register
			Select Register

PJALT	FF F340h		Port J Alternate
PJALT	FF F340h		Function Register
			Function Register

PJDIR	FF F342h		Port J Direction Register

PJDIN	FF F344h		Port J Data Input Register

PJDOUT	FF F346h		Port J Data Output Register

PJWPU	FF F348h		Port J Weak Pull-Up
PJWPU	FF F348h		Register
			Register

PJHDRV	FF F34Ah		Port J High Drive
PJHDRV	FF F34Ah		Strength Register
			Strength Register

PJALTS	FF F34Ch		Port J Alternate Function
PJALTS	FF F34Ch		Select Register
			Select Register

In the descriptions of the ports and port registers, the lower- case letter “x” represents the port designation, either B, C, E, F, G, H, or J. For example, “PxDIR register” means any one of the port direction registers: PBDIR, PCDIR, PEDIR, PFDIR, PGDIR, PHDIR, or PJDIR.

National CP3BT26 manual Port Registers, Address Description

Models: CP3BT26

CP3BT26

Port Registers

Address

Description

PBHDRV

PCALT

PCALTS

PEALTS

PFHDRV

PGALTS

PHDOUT

PJHDRV