Renesas SH7781 User Manual
Page 23

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
Register Allocation of Transfer Data ................................................................ 1133
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