CC1010-RTR1 datasheet(45/152 Pages) TI

45 / 152 page

CC1010

SWRS047

Page 45 of 152

in Flash) breakpoint, so that it can be

executed (in single-step mode).

•

SFRs

(hardware

registers)

can

normally only be addressed directly

(i.e. by hardwiring the specific address

into

the

corresponding

MOV

instruction.) This would make code in

a debug monitor, which returns the

value of SFRs to a PC rather bloated.

Using the instruction replacement

mechanism on the operand byte of the

move instruction instead of the opcode

byte, allows indirect addressing of

SFRs.

Chipcon provides software for in-circuit

debugging, which may be downloaded

from

the

Chipcon

homepage.

This

software uses the RESERVED register,

which can then not be used for other

purposes. If in-circuit debugging is not

required, the RESERVED register shown

below may be used for any purpose.

Writing to it will have no effect on the

operation of

CC1010.

Great caution should be used when the

RADR is written. Since the address

consists of two bytes (RADRL and RADRH),

there will be a short interval where the

address is not valid as only one of the

bytes are written at a time. If this

intermediate address point to the very

same location as of the code modifying the

RADR, a malfunction will occur. One

possible work-around is to first write

RADRH to a value pointing to a memory

location not used by the code.

RESERVED (0xE7) - Reserved register, used by Chipcon debugger software

Bit

Name

R/W

Reset value

Description

7:0

RESERVED(7:0)

R/W

0x00

Reserved register, which is used by Chipcon

debugger software.

RESERVED may be used for

other purposes if Chipcon’s debugger software is

not needed.

RDATA (0xB9) - Replacement Data

Bit

Name

R/W

Reset value

Description

7:0

RDATA(7:0)

R/W

0x00

Replacement data.

Used to replace the byte at program memory

address

RADR with the data from RDATA, if

RADR > 0.

RADRH (0xBB) - Replacement address, high byte

Bit

Name

R/W

Reset value

Description

7:0

RADR(15:8)

R/W

0x00

Replacement address, high byte.

Used to replace the byte at program memory

address

RADR with the data from RDATA, if

RADR > 0.

RADRL (0xBA) - Replacement address, low byte

Bit

Name

R/W

Reset value

Description

7:0

RADR(7:0)

R/W

0x00

Replacement address, low byte.

Used to replace the byte at program memory

address

RADR with the data from RDATA, if

RADR > 0

15.16 Chip Version / Revision

CC1010 has a SFR register CHVER that can

be read to decide the chip type and

current revision. The register description is

shown below.

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