USB97C100QFP datasheet(14/64 Pages) SMSC

14 / 64 page

SMSC DS – USB97C100

Page 14

Rev. 01/03/2001

MCU Block Register Summary

Table 6 - MCU Block Register Summary

ADDRESS

NAME

R/W

DESCRIPTION

RUNTIME REGISTERS

7F00

ISR_0

INT0 Source Register

7F01

IMR_0

R/W

INT0 Mask Register

7F02

ISR_1

INT1 Source Register

7F03

IMR_1

R/W

INT1 Mask Register

7F06

DEV_REV

Device Revision Register

7F07

DEV_ID

Device ID Register

UTILITY REGISTERS

7F18

GPIOA_DIR

R/W

GPIO Configuration Register

7F19

GPIOA_OUT

R/W

GPIO Data Output Register

7F1A

GPIOA_IN

GPIO Data Input Register

7F1B

UTIL_CONFIG

R/W

Miscellaneous Configuration Register

POWER MANAGEMENT REGISTERS

7F27

CLOCK_SEL

R/W

8051 and 8237 Clock Select Register

7F29

MEM_BANK

R/W

Flash Bank Select

7F2A

WU_SRC_1

Wakeup Source

7F2B

WU_MSK_1

R/W

Wakeup Mask

7F2C

WU_SRC_2

Wakeup Source

7F2D

WU_MSK_2

R/W

Wakeup Mask

ISA BUS CONTROL REGISTERS

7F10

GP1Data

R/W

GP FIFO Data Port #1

7F11

GP1Status

GP FIFO status Port #1

7F12

GP2Data

R/W

GP FIFO Data Port #2

7F13

GP2Status

GP FIFO status Port #2

7F14

GP3Data

R/W

GP FIFO Data Port #3

7F15

GP3Status

GP FIFO status Port #3

7F16

GP4Data

R/W

GP FIFO Data Port #4

7F17

GP4Status

GP FIFO status Port #4

7F70

BUS_REQ

R/W

ISA Bus Request Register

7F71

IOBASE

R/W

8051 ISA I/O Window Base Register

7F72

MEMBASE

R/W

8051 ISA Memory Window Base Register

7F73

BUS_STAT

ISADMA Request Status

7F74

BUS_MASK

R/W

ISADMA Request Interrupt Mask

7F7E

MCU_TEST2

N/A

Reserved for Test

7F7F

MCU_TEST1

N/A

Reserved for Test

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