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Motorola MPC8260 User Manual

Page 131

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MOTOROLA

Chapter 3. Memory Map

3-11

Part I. Overview

SCC3

11A40

GSMR_L3

SCC3 general mode register

32 bits

19.1.1/19-3

11A44

GSMR_H3

SCC3 general mode register

32 bits

11A48

PSMR3

SCC3 protocol-speciÞc mode register

16 bits

19.1.2/19-9
20.16/20-13 (UART)
21.8/21-7 (HDLC)
22.11/22-10 (BISYNC)
23.9/23-9 (Transparent)
24.17/24-15 (Ethernet)

11A4A

Reserved

Ñ

2 bytes

Ñ

11A4C

TODR3

SCC3 transmit on demand register

16 bits

19.1.4/19-9

11A4E

DSR3

SCC3 data synchronization register

16 bits

19.1.3/19-9

11A50

SCCE3

SCC3 event register

16 bits

20.19/20-19 (UART)
21.11/21-12 (HDLC)
22.14/22-15 (BISYNC)
23.12/23-12 (Transparent)
24.20/24-21 (Ethernet)

11A54

SCCM3

SCC3 mask register

16 bits

11A57

SCCS3

SCC3 status register

8 bits

20.20/20-21 (UART)
21.12/21-14 (HDLC)
22.15/22-16 (BISYNC)
23.13/23-13 (Transparent)

11A58Ð11A5F

Reserved

Ñ

8 bytes

Ñ

SCC4

11A60

GSMR_L4

SCC4 general mode register

32 bits

19.1.1/19-3

11A64

GSMR_H4

SCC4 general mode register

32 bits

11A68

PSMR4

SCC4 protocol-speciÞc mode register

16 bits

19.1.2/19-9
20.16/20-13 (UART)
21.8/21-7 (HDLC)
22.11/22-10 (BISYNC)
23.9/23-9 (Transparent)
24.17/24-15 (Ethernet)

11A6A

Reserved

Ñ

2 bytes

Ñ

11A6C

TODR4

SCC4 transmit on-demand register

16 bits

19.1.4/19-9

11A6E

DSR4

SCC4 data synchronization register

16 bits

19.1.3/19-9

11A70

SCCE4

SCC4 event register

16 bits

20.19/20-19 (UART)
21.11/21-12 (HDLC)
22.14/22-15 (BISYNC)
23.12/23-12 (Transparent)
24.20/24-21 (Ethernet)

11A74

SCCM4

SCC4 mask register

16 bits

Table 3-1. Internal Memory Map (Continued)

Internal

Address

Abbreviation

Name

Size

Section/Page Number