Fujitsu FR81S User Manual
FUJITSU SEMICONDUCTOR LIMITED
CONTENTS
FUJITSU SEMICONDUCTOR CONFIDENTIAL
CHAPTER 40:MULTI-FUNCTION SERIAL INTERFACE ................................................................. 1315
1.
O
VERVIEW
................................................................................................................................ 1316
2.
F
EATURES
................................................................................................................................. 1317
3.
C
ONFIGURATION
........................................................................................................................ 1324
4.
R
EGISTERS
............................................................................................................................... 1328
4.1.
Common Registers .......................................................................................................... 1331
4.1.1.
Serial Mode Register: SMR .................................................................................................................. 1332
4.1.2.
FIFO Control Register 1: FCR1 ........................................................................................................... 1335
4.1.3.
FIFO Control Register 0: FCR0 ........................................................................................................... 1337
4.1.4.
FIFO BYTE Register: FBYTE .............................................................................................................. 1340
4.1.5.
Transmission FIFO Interrupt Control Register: FTICR ..................................................................... 1342
4.2.
Registers for UART ......................................................................................................... 1343
4.2.1.
Serial Control Register: SCR ............................................................................................................... 1344
4.2.2.
Serial Status Register: SSR ................................................................................................................. 1346
4.2.3.
Extended Serial Control Register: ESCR ........................................................................................... 1349
4.2.4.
Receive Data Register/Transmit Data Register: RDR/TDR............................................................. 1351
4.2.5.
Serial Aid Control Status Register: SACSR ....................................................................................... 1353
4.2.6.
Serial Timer Register: STMR ............................................................................................................... 1356
4.2.7.
Serial timer Comparison Register: STMCR ....................................................................................... 1357
4.2.8.
Transfer Byte Register: TBYTE ........................................................................................................... 1358
4.2.9.
Baud rate Generator Register: BGR ................................................................................................... 1359
4.3.
Registers for CSIO .......................................................................................................... 1360
4.3.1.
Serial Control Register: SCR ............................................................................................................... 1361
4.3.2.
Serial Status Register: SSR ................................................................................................................. 1363
4.3.3.
Extended Serial Control Register: ESCR ........................................................................................... 1365
4.3.4.
Receive Data Register/Transmit Data Register: RDR/TDR............................................................. 1367
4.3.5.
Serial Aid Control Status Register: SACSR ....................................................................................... 1371
4.3.6.
Serial Timer Register: STMR ............................................................................................................... 1375
4.3.7.
Serial Timer Compare Register: STMCR ........................................................................................... 1376
4.3.8.
Serial Chip Select Control Status Register: SCSCR ........................................................................ 1377
4.3.9.
Serial Chip Select Timing Register: SCSTR3-0 ................................................................................ 1380
4.3.10.
Serial Chip Select Format Register: SCSFR2-0 ............................................................................... 1383
4.3.11.
Transfer Byte Register: TBYTE3-0...................................................................................................... 1391
4.3.12.
Baud rate Generator Register: BGR ................................................................................................... 1393
4.4.
Registers for LIN-UART................................................................................................... 1394
4.4.1.
Serial Control Register: SCR ............................................................................................................... 1395
4.4.2.
Serial Status Register: SSR ................................................................................................................. 1397
4.4.3.
Extended Serial Control Register: ESCR ........................................................................................... 1399
4.4.4.
Receive Data Register/Transmit Data Register: RDR/TDR............................................................. 1401
4.4.5.
Serial Aid Control Status Register: SACSR ....................................................................................... 1403
4.4.6.
Serial Timer Register: STMR ............................................................................................................... 1408
4.4.7.
Serial Timer Compare Register: STMCR ........................................................................................... 1409
4.4.8.
Sync Field Upper Limit Register: SFUR ............................................................................................. 1410
4.4.9.
Sync Field Lower Limit Register: SFLR .............................................................................................. 1411
4.4.10.
Baud Rate Generator Register: BGR ................................................................................................. 1412
4.4.11.
LIN Assist Mode Status Register: LAMSR ......................................................................................... 1413
4.4.12.
LIN Assist Mode Control Register: LAMCR ....................................................................................... 1416
4.4.13.
LIN Assist Mode Interrupt Enable Register: LAMIER ....................................................................... 1419
4.4.14.
LIN Assist Mode Transmission/Reception ID Register: LAMTID / LAMRID .................................. 1421
4.4.15.
LIN Assist Mode Error Status Register: LAMESR ............................................................................. 1422
4.4.16.
LIN Assist Mode Trouble Examination Register: LAMERT .............................................................. 1424
4.5.
Registers for I
2
C .............................................................................................................. 1428
4.5.1.
I
2
C Bus Control Register: IBCR ........................................................................................................... 1429
4.5.2.
Serial Status Register: SSR ................................................................................................................. 1434
4.5.3.
I
2
C Bus Status Register: IBSR ............................................................................................................. 1437
4.5.4.
Receive Data Register/Transmit Data Register: RDR/TDR............................................................. 1441
4.5.5.
Serial Aid Control Status Register: SACSR ....................................................................................... 1443
4.5.6.
Serial Timer Register: STMR ............................................................................................................... 1446
MB91520 Series
MN705-00010-1v0-E
(27)