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Table 23.3 register configuration (2) – Renesas SH7781 User Manual

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23. Serial Peripheral Interface (HSPI)

Rev.1.00 Jan. 10, 2008 Page 1154 of 1658
REJ09B0261-0100

Table 23.3 Register Configuration (2)

Register Name

Abbrev.

Power-on Reset
by

PRESET

Pin/WDT/H-UDI

Manual Reset
by WDT/
Multiple
Exception

Sleep/Deep
Sleep by
SLEEP
Instruction

Module
Standby

Software
Reset

Control register

SPCR

H'0000 0000

H'0000 0000

Retained

Retained Retained

Status register

SPSR

H'xxxx xx20

*

1

H'xxxx

xx20

*

1

Retained

Retained H'xxxx

xxxx

*

2

System control register

SPSCR H'0000 0040 H'0000

0040

Retained Retained

Retained

Transmit buffer register SPTBR H'0000 0000

H'0000 0000

Retained

Retained Retained

Receive buffer register

SPRBR H'0000 0000

H'0000 0000

Retained

Retained Retained

Notes: 1. "x" represents an undefined value.

2. "x" represents an undefined value. Bits 9, 6, 4, and 3 are retained. The other bits are

initialized except those of which the initial values are undefined.