32186 datasheet(5/1032 Pages) RENESAS

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• Guide to Understanding the Register Table

(1) Bit number: Indicates a register’s bit number.

(2) Register border: The registers enclosed with thick border lines must be accessed in halfwords or words.

(3) Status after reset: The initial state of each register after reset is indicated in hexadecimal or binary.

(4) Status after reset: The initial state of each register after reset is indicated bitwise.

0: This bit is “0” after reset.

1: This bit is “1” after reset.

?: This bit is undefined after reset.

(5) The shaded bits mean that they have no functions assigned.

(6) Read conditions:

R: This bit can be accessed for read.

?: The value read from this bit is undefined. (Reading this bit has no effect.)

0: The value read from this bit is always “0.”

1: The value read from this bit is always “1.”

(7) Write conditions:

W: This bit can be accessed for write.

N: This bit is write protected.

0: To write to this bit, always write “0.”

1: To write to this bit, always write “1.”

–: Writing to this bit has no effect. (It does not matter whether this bit is set to “0” or “1” by writing in software.)

Note: Care must be taken when writing to this bit. See Note in each register table.

XXXRegister(XXX)

<Address: H’XXXX XXXX>

123456789

b15

AAA

BBB

CCC

000

Bit name

Function

AAA

0 : • • • • • • • • • bit

• • •

bit

1 : • • • • • • • • • bit

BBB

0 : • • • • • • • • • bit

• • •

bit

1 : • • • • • • • • • bit

CCC

0 : • • • • • • • • • bit

R (Note 1)

• • •

bit

1 : • • • • • • • • • bit

3–15

No function assigned. Fix to “0.”

Note 1: Only writing “0” is effective. Writing “1” has no effect, in which case the bit retains the value it had before the write.

• Notation of “L” (signals)

The symbol “#” suffixed to the pin (or signal) names means that the pins (or signals) are “L.”

Before Use

(2)

(4)

(6) (7)

(3)

(1)

(5)

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