C controlled register bit map (cont.) – Renesas HD151TS207SS User Manual

Page 8

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HD151TS207SS

Rev.1.00, Apr.25.2003, page 8 of 38

I

2

C Controlled Register Bit Map (cont.)

Table3 FS_A and FS_B pin Input level

Logic Level

Min Voltage

Max Voltage

0 (Low)

0.35V

1 (High)

0.70V

Byte1 Control Register

Bit

Description

Contents

Type

Default

Note

7

Allow control of SCR with assertion
of PCI_STOP#

0 = Free running
1 = Stopped with
PCI_STOP#

RW

0

See
Table5

6

SRC Output enable

0 = Disabled (tristate)
1 = Enabled

RW

1

5

Reserved

RW

1

4

Reserved

RW

1

3

Reserved

RW

1

2

CPU2 Output enable

0 = Disabled (tristate)
1 = Enabled

RW

1

1

CPU1 Output enable

0 = Disabled (tristate)
1 = Enabled

RW

1

0

CPU0 Output enable

0 = Disabled (tristate)
1 = Enabled

RW

1

Byte2 Control Register

Bit

Description

Contents

Type

Default

Note

7

SRC_Pwrdwn drive mode

0 = Driven in power down,
1 = Tristate

RW

0

6

SRC_Stop drive mode

0 = Driven when stopped,
1 = Tristate

RW

0

See
Table5

5

CPU2_Pwrdwn drive mode

0 = Driven in power down,
1 = Tristate

RW

0

4

CPU1_Pwrdwn drive mode

0 = Driven in power down,
1 = Tristate

RW

0

3

CPU0_Pwrdwn drive mode

0 = Driven in power down,
1 = Tristate

RW

0

2

Reserved

RW

0

1

Reserved

RW

0

0

Reserved

RW

0

See
Table4

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