Datasheet

ManualsBrandsCOMPRO ManualsComputer equipmentX200 - START UP GUIDE

12.0 Memory Map

All RAM, ports and registers (except A and PC) are mapped into data memory address space.

RAM Address

Contents

Select ADD REG

64 On-Chip RAM Bytes. 02 to 2F On-Chip RAM (48 Bytes)

(COP8SAAx) 30 to 7F Unused RAM (Reads as all ones)

128 On-Chip RAM Bytes 00 to 6F On-Chip RAM (112 Bytes)

(COP8SABx/SACx) 70 to 7F Unused RAM (Reads as all ones)

80 to 93 Reserved

94 Port F Data Register

95 Port F Configuration Register

96 Port F Input Pins (Read Only)

97 Reserved

A0 to C6 Reserved

C7 WATCHDOG Service Register (Reg: WDSVR)

C8 MIWU Edge Select Register (Reg: WKEDG)

C9 MIWU Enable Register (Reg: WKEN)

CA MIWU Pending Register (Reg: WKPND)

CB to CF Reserved

D0 Port L Data Register

D1 Port L Configuration Register

D2 Port L Input Pins (Read Only)

D3 Reserved

D4 Port G Data Register

D5 Port G Configuration Register

D6 Port G Input Pins (Read Only)

D7 Reserved

D8 Port C Data Register

D9 Port C Configuration Register

DA Port C Input Pins (Read Only)

DB Reserved

DC Port D

DD to DF Reserved

E0 to E5 Reserved

E6 Timer T1 Autoload Register T1RB Lower Byte

E7 Timer T1 Autoload Register T1RB Upper Byte

E8 ICNTRL Register

E9 MICROWIRE/PLUS Shift Register

EA Timer T1 Lower Byte

EB Timer T1 Upper Byte

EC Timer T1 Autoload Register T1RA Lower Byte

ED Timer T1 Autoload Register T1RA Upper Byte

EE CNTRL Control Register

EF PSW Register

F0 to FB On-Chip RAM Mapped as Registers

FC X Register

FD SP Register

FE B Register

FF Reserved (Segment Register)

Reading any undefined memory location in the address range of 0080H–00FFH will return undefined data.

COP8SA Family