SH7785 Datasheet, PDF (1183/1692 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

23. Serial Peripheral Interface (HSPI)
23.2 Input/Output Pins
The input/output pins of the HSPI is shown in table 23.1.
Table 23.1 Pin Configuration
Pin Name
Serial bit clock pin
Transmit data pin
Receive data pin
Chip select pin
Abbrev.
HSPI_CLK
HSPI_TX
HSPI_RX
HSPI_CS
I/O
I/O
Output
Input
I/O
Description
Clock input/output
Transmit data output
Receive data input
Chip select
23.3 Register Descriptions
Table 23.2 Register Configuration (1)
Register Name
Abbrev. R/W P4 Address Area 7 Address Size
Control register
SPCR R/W H'FFE5 0000 H'1FE5 0000 32
Status register
SPSR R* H'FFE5 0004 H'1FE5 0004 32
System control register SPSCR R/W H'FFE5 0008 H'1FE5 0008 32
Transmit buffer register SPTBR R/W H'FFE5 000C H'1FE5 000C 32
Receive buffer register
SPRBR R H'FFE5 0010 H'1FE5 0010 32
Note: For bits 4 and 3, only 0s can be written to clear the flags.
Sync
Clock
Pck
Pck
Pck
Pck
Pck
Rev.1.00 Jan. 10, 2008 Page 1153 of 1658
REJ09B0261-0100