r8a77850anbg Renesas Electronics Corporation., r8a77850anbg Datasheet - Page 1333

• Manufacturer Part Number: r8a77850anbg
• Description: Renesas 32-bit Risc Microcomputer Superh? Risc Engine Family
• Manufacturer: Renesas Electronics Corporation.

Bit
14
13
Bit Name
SWSD
SCKP
Initial
Value
0
0
R/W
R/W
R/W
Description
Serial WS Direction
0: Serial word select input, slave mode
1: Serial word select output, master mode
Note: In non-compressed mode (SSICR.CPEN=0), the
Serial Bit Clock Polarity
0: SSI_WS and SSI_SDATA change on falling edge of
1: SSI_WS and SSI_SDATA change on rising edge of
SSI_SDATA input sampling
timing in receive mode
(TRMD = 0)
SSI_SDATA output change
timing in transmit mode
(TRMD = 1)
SSI_WS input sampling
timing in slave mode
(SWSD = 0)
SSI_WS output change
timing in master mode
(SWSD = 1)
SSI_SCK (sampled on rising edge of SCK)
SSI_SCK (sampled on falling edge of SCK)
combination of (SCKD, SWSD) = (0, 0) or (1, 1) is
available.
Rev.1.00 Jan. 10, 2008 Page 1303 of 1658
26. Serial Sound Interface (SSI) Module
SCKP = 0
SSI_SCK
rising edge
SSI_SCK
falling edge
SSI_SCK
rising edge
SSI_SCK
falling edge
REJ09B0261-0100
SCKP = 1
SSI_SCK
falling edge
SSI_SCK
rising edge
SSI_SCK
falling edge
SSI_SCK
rising edge