Renesas Emulation Probe for M32C/88 Group M30880T-EPB Manual de usuario descargar pdf (Pagina 91)

M30880T-EPB User’s Manual 4. Hardware Specifications

REJ10J0497-0100Z Rev.1.00 January 16, 2005

Page 91 of 100

IMPORTANT

Notes on A/D Conversion:

 When setting the register below to use the analog input port selection function, you need to set the direction

And you need to set the function selection register of port P15 for a pin that performs A/D conversion to "I/O

port".

A/D0 control register 2 (address 394h)

b2, b1

1, 0 : AN00 to AN07

1, 0 : AN20 to AN27

Also, when the P0 and P2 groups are selected for A/D input, port P15 cannot be used as an I/O port. When

setting the register above, port P15 cannot be used as an I/O port even if A/D conversion is halting.

For the switch SW5, refer to "2.10.1 Setting Switches of Emulation Probe" (page 38).

 When setting the register below to use multi-port sweep mode, you need to set the direction register of port P15

for a pin that performs A/D conversion to "input".

And you need to set the function selection register of port P15 for a pin that performs A/D conversion to "I/O

port".

A/D0 control register 4 (address 392h)

b3, b2

1, 0 : AN0 to AN7, AN00 to AN07

1, 0 : AN0 to AN7, AN20 to AN27

Also, when the P0 and P2 groups are used for multi-port sweep mode, port P15 cannot be used as an I/O port.

When setting the register above, port P15 cannot be used as an I/O port even if A/D conversion is halting.

 Because a converter board and other devices are used between the evaluation MCU and the user system, the

A/D converter operates differently from an actual MCU. Make the final evaluation of the A/D converter using

an actual MCU.

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Renesas Emulation Probe for M32C/88 Group M30880T-EPB Manual de usuario Pagina 91