SH7785 datasheet(23/1692 Pages) RENESAS

23 / 1692 page

Rev.1.00 Jan. 10, 2008 Page xxiii of xxx

REJ09B0261-0100

21.3.12 Serial Port Register n (SCSPTR) ...................................................................... 1066

21.3.13 Line Status Register n (SCLSR) ....................................................................... 1069

21.3.14 Serial Error Register n (SCRER) ...................................................................... 1070

21.4

Operation ......................................................................................................................... 1071

21.4.1

Overview .......................................................................................................... 1071

21.4.2

Operation in Asynchronous Mode .................................................................... 1074

21.4.3

Operation in Clocked Synchronous Mode ........................................................ 1085

21.5

SCIF Interrupt Sources and the DMAC ........................................................................... 1094

21.6

Usage Notes ..................................................................................................................... 1096

Section 22 Serial I/O with FIFO (SIOF)...................................................................... 1099

22.1

Features............................................................................................................................ 1099

22.2

Input/Output Pins ............................................................................................................. 1101

22.3

Register Descriptions ....................................................................................................... 1102

22.3.1

Mode Register (SIMDR) .................................................................................. 1104

22.3.2

Control Register (SICTR) ................................................................................. 1106

22.3.3

Transmit Data Register (SITDR) ...................................................................... 1108

22.3.4

Receive Data Register (SIRDR) ....................................................................... 1109

22.3.5

Transmit Control Data Register (SITCR) ......................................................... 1110

22.3.6

Receive Control Data Register (SIRCR) .......................................................... 1111

22.3.7

Status Register (SISTR).................................................................................... 1112

22.3.8

Interrupt Enable Register (SIIER) .................................................................... 1118

22.3.9

FIFO Control Register (SIFCTR) ..................................................................... 1120

22.3.10 Clock Select Register (SISCR) ......................................................................... 1122

22.3.11 Transmit Data Assign Register (SITDAR) ....................................................... 1123

22.3.12 Receive Data Assign Register (SIRDAR) ........................................................ 1125

22.3.13 Control Data Assign Register (SICDAR) ......................................................... 1126

22.4

Operation ......................................................................................................................... 1128

22.4.1

Serial Clocks..................................................................................................... 1128

22.4.2

Serial Timing .................................................................................................... 1129

22.4.3

Transfer Data Format........................................................................................ 1131

22.4.4

22.4.5

Control Data Interface ...................................................................................... 1135

22.4.6

FIFO.................................................................................................................. 1137

22.4.7

Transmit and Receive Procedures..................................................................... 1139

22.4.8

Interrupts........................................................................................................... 1144

22.4.9

Transmit and Receive Timing........................................................................... 1146

Section 23 Serial Peripheral Interface (HSPI)............................................................ 1151

23.1

Features............................................................................................................................ 1151

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