SH7760 Datasheet, PDF (874/1345 Pages) Renesas Technology Corp – SuperHTM RISC engine

Figure 23.1 is a block diagram of the HSPI.
Bus interface
Register
SPCR
SPSR
SPSCR
SPTBR
SPRBR
System control
HSPI_CS
HSPI_RX
Pck
LSB
Shift register
MSB
Clock division
Polarity selection
Serial bit clock
generator
HSPI_TX
HSPI_CLK
Figure 23.1 Block Diagram of HSPI
23.2 Input/Output Pins
The input/output pins of the HSPI is shown in table 23.1.
Table 23.1 Pin Configuration
Name
Serial bit clock pin
Transmit data pin
Receive data pin
Chip select pin
Abbreviation
HSPI_CLK
HSPI_TX
HSPI_RX
HSPI_CS
I/O
Input/Output
Output
Input
Input/Output
Function
Clock input/output
Transmit data output
Receive data input
Chip select
Rev. 1.0, 02/03, page 824 of 1294