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Signal Descriptions

16MHZ_CLOCK_F

Connected to:

A1-A23

ACC(0), ACC(1), SLIM_SEL [ACC(2)]

Connected to: PDS Connector J12, RP4 Pull-down

AS

Connected to:

BG - Bus Grant

Connected to:

BGACK - Bus Grant Acknowledge

Connected to:

BERR - Bus Error

BR - Bus Request

D0-D15

DELAY_CS

DTACK

E - 6800 Enable

EXT_DTACK

Alternative Name Appearances: EXT_DTACK*, /EXT_DTACK

FC0, FC1, FC2

FPDATA(0) - FPDATA(7)

FPDATAI(0) - FPDATAI(7)

FPDATAX(0) - FPDATAX(7)

IPL0, IPL1, IPL2

LDS, UDS

NMIIN

Pull-up: R155 to +5V (Always on)

RA1-15

RD0 - RD15

Permanent RAM data lines

R/W

RAM_OE

Alternative Name Appearances: RAM_OE*, /RAM_OE

RESET

Alternative Name Appearances: RESET*, /RESET

Pull-up: R156 to +5V (Always on)

SLIM_INS

SLOT_CS(0), SLOT_CS(1)

SLOT_LW, SLOT_UW

SLOT_OE

SYS_PWR

SYS_RST

Pull-up: R143 to +5/0

UDS

See LDS, UDS

VMA - Valid Memory Address

VPA - Valid Peripheral Address