M32CSLASH8B datasheet(289/406 Pages) RENESAS

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Under development

M32C/8B Group

19. D/A Converter

Preliminary specification

Specifications in this manual are tentative and subject to change.

REJ09B0450-0050 Rev.0.50 Oct 31, 2008

Page 272 of 385

Table 19.2

Pin Settings

NOTES:

1. Set the PS3 register after setting the other registers.

2. Set the PD9 or PS3 register immediately after the PRC2 bit in the PRCR register is set to 1 (write enable). Do

not generate an interrupt or a DMA or DMACII transfer between these two instructions.

Figure 19.2

DACON Register, DA0 and DA1 Registers

Port

Function

Bit Setting

PD9 Register(2)

PSL3 Register

PS3 Register(1)(2)

P9_3

DA0 output

PD9_3=0

PSL3_3=1

PS3_3=0

P9_4

DA1 output

PD9_4=0

PSL3_4=1

PS3_4=0

D/A Control Register

Symbol

DACON

Address

039Ch

Bit Symbol

DA0E

After Reset

XXXX XX00b

DA1E

−

(b7-b2)

b7 b6 b5 b4

Bit Name

Unimplemented.

Write 0. Read as undefined value.

Function

0: Output disabled

1: Output enabled

D/A0 output enable bit

D/A1 output enable bit

−

Symbol

DA0, DA1

Address

0398h, 039Ah

After Reset

Undefined

D/A Register i (i = 0,1)

Function

Set output value to be D/A converted.

Setting Range

00h to FFh

0: Output disabled

1: Output enabled

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