M32CSLASH86 datasheet(75/505 Pages) RENESAS

75 / 505 page

Page 52

7. Processor Mode

)

(

Figure 7.2 PM1 Register

Processor Mode Register 1(1)

After Reset

0016

Address

000516

Symbol

PM1

PM10

PM11

PM12

External Memory Space

Mode Bit(2, 4)

PM13

Internal Memory

Wait Bit

0 : No wait state

1 : Wait state

SFR Area Wait Bit

Reserved Bit

Set to "0"

PM14

PM15

(b7-b6)

ALE Pin Select Bit(2, 4)

0 0 : No ALE

0 1 : P53/BCLK(3)

1 0 : P56

1 1 : P54/HLDA

0 0 : Mode 0 (A20 to A23 for P44 to P47)

0 1 : Mode 1 (A20 for P44,

CS2 to CS0 for P45 to P47)

1 0 : Mode 2 (A20, A21 for P44, P45,

CS1, CS0 for P46, P47)

1 1 : Mode 3

(CS3 to CS0 for P44 to P47)

b1 b0

b5 b4

Bit Name

Function

Bit

Symbol

NOTES:

1. Rewrite the PM1 register after the PRC1 bit in the PRCR register is set to "1" (write enable).

2. The PM15 and PM14 bit setting, PM11 and PM10 bit setting are available in memory expansion

mode or microprocessor mode.

3. Set the CM01 and CM00 bits in the CM0 register to "002" (I/O port P53) when the PM15 and PM14

bits are set to "012" (P53/BCLK select).

4. M32C/86T cannot be used in memory expansion mode and microprocessor mode.

0 : 1 wait state

1 : 2 Wait states

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