TS68230 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

TS68230

HMOS PARALLEL INTERFACE/TIMER

STMicroelectronics 

TS68230

Programmable Option Mode 0 - Port A Submode 1X and Port B Submode 1X

PACR

76

1X

Port A Submode

Submode 1X

PACR

543

0XX

1X0

1X1

H2 Control

Input pin - edge-sensitive status input, H2S is set on an asserted edge.

Output pin - negated, H2S is always cleared.

Output pin - asserted, H2S is always cleared.

PACR

2

0

1

H2 Interrupt Enable

The H2 interrupt is disabled.

The H2 interrupt is enabled.

PACR

1

0

1

H1 SVCRQ Enable

The H1 interrupt is disabled.

The H1 interrupt is enabled.

PACR

0

X

H1 Status Control

H1 is an edge-sensitive status input, H1S is set by an asserted edge of H1.

PBCR

76

1X

Port B Submode

Submode 1X.

PBCR

543

0XX

1X0

1X1

H4 Control

Input pin - edge-sensitive status input, H4S is set on an asserted edge.

Output pin - negated, H4S is always cleared.

Output pin - asserted, H4S is always cleared.

PBCR

2

0

1

H4 Interrupt Enable

The H4 interrupt is disabled.

The H4 interrupt is enabled.

PBCR

1

0

1

H3 SVCRQ Enable

The H3 interrupt is disabled.

The H3 interrupt is enabled.

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