Maxim-integrated MAXQ Family Users Guide: MAXQ2010 Supplement Manual do Utilizador descarregar pdf (Página 139)

MAXQ Family User’s Guide:

MAXQ2010 Supplement

24-5

24.3.4 UROM_moveDP1

Notes:

• Before calling this function, DPC should be set appropriately to configure DP[1] for byte or word mode.

• The address passed to this function should be based on the data memory mapping for the utility ROM, as shown

in Figure 24-1. When a byte mode address is used, CDA0 must be set appropriately to access either the upper or

lower half of program flash/ROM memory.

• This function automatically refreshes the data pointer before reading the byte/word value.

24.3.5 UROM_moveDP1inc

Notes:

• Before calling this function, DPC should be set appropriately to configure DP[1] for byte or word mode.

• The address passed to this function should be based on the data memory mapping for the utility ROM, as shown

in Figure 24-1. When a byte mode address is used, CDA0 must be set appropriately to access either the upper or

lower half of program flash/ROM memory.

• This function automatically refreshes the data pointer before reading the byte/word value.

24.3.6 UROM_moveDP1dec

Notes:

• Before calling this function, DPC should be set appropriately to configure DP[1] for byte or word mode.

• The address passed to this function should be based on the data memory mapping for the utility ROM, as shown

in Figure 24-1. When a byte mode address is used, CDA0 must be set appropriately to access either the upper or

lower half of program flash/ROM memory.

• This function automatically refreshes the data pointer before reading the byte/word value.

Function:

UROM_moveDP1

Summary:

Reads the byte/word value pointed to by DP[1].

Inputs:

DP[1]: Address to read from.

Outputs:

GR: Data byte/word read.

Destroys:

None.

Function:

UROM_moveDP1inc

Summary:

Reads the byte/word value pointed to by DP[1], then increments DP[1].

Inputs:

DP[1]: Address to read from.

Outputs:

GR: Data byte/word read.

DP[1] is incremented.

Destroys:

None.

Function:

UROM_moveDP1dec

Summary:

Reads the byte/word value pointed to by DP[1], then decrements DP[1].

Inputs:

DP[1]: Address to read from.

Outputs:

GR: Data byte/word read.

DP[1] is decremented.

Destroys:

None.

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