p2125vps20 Renesas Electronics Corporation., p2125vps20 Datasheet - Page 18

• Manufacturer Part Number: p2125vps20
• Description: 16-bit Single-chip Microcomputer H8s Family / H8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

15.4
15.5
15.6
15.7
15.8
Rev. 1.00 Sep. 21, 2006 Page xviii of xxxviii
15.3.4
15.3.5
15.3.6
15.3.7
15.3.8
15.3.9
Operation in Asynchronous Mode .................................................................................... 331
15.4.1
15.4.2
15.4.3
15.4.4
15.4.5
15.4.6
Multiprocessor Communication Function ........................................................................ 342
15.5.1
15.5.2
Operation in Clocked Synchronous Mode ........................................................................ 348
15.6.1
15.6.2
15.6.3
15.6.4
15.6.5
Interrupt Sources............................................................................................................... 357
Usage Notes ...................................................................................................................... 358
15.8.1
15.8.2
15.8.3
15.8.4
15.8.5
15.8.6
15.8.7
15.8.8
15.8.9
Receive Data Sampling Timing and Reception Margin
in Asynchronous Mode ..................................................................................... 333
Simultaneous Serial Data Transmission and Reception
(Clocked Synchronous Mode)........................................................................... 355
Receive Error Flags and Transmit Operations
(Clocked Synchronous Mode Only).................................................................. 358
Notes on Register Writing during the Receive, Transmit,
or Transfer Operation........................................................................................ 364
Transmit Shift Register (TSR) .......................................................................... 318
Serial Mode Register (SMR) ............................................................................ 319
Serial Control Register (SCR) .......................................................................... 320
Serial Status Register (SSR) ............................................................................. 322
Serial Interface Mode Register (SCMR)........................................................... 324
Bit Rate Register (BRR) ................................................................................... 325
Data Transfer Format........................................................................................ 332
Clock................................................................................................................. 334
SCI Initialization (Asynchronous Mode).......................................................... 335
Data Transmission (Asynchronous Mode) ....................................................... 336
Serial Data Reception (Asynchronous Mode) .................................................. 338
Multiprocessor Serial Data Transmission ......................................................... 343
Multiprocessor Serial Data Reception .............................................................. 345
Clock................................................................................................................. 348
SCI Initialization (Clocked Synchronous Mode).............................................. 349
Serial Data Transmission (Clocked Synchronous Mode) ................................. 350
Serial Data Reception (Clocked Synchronous Mode) ...................................... 353
Module Stop Mode Setting ............................................................................... 358
Break Detection and Processing ....................................................................... 358
Mark State and Break Detection ....................................................................... 358
Relation between Writing to TDR and TDRE Flag .......................................... 358
Restrictions on Using DTC............................................................................... 359
SCI Operations during Mode Transitions ......................................................... 359
Notes on Switching from SCK Pins to Port Pins .............................................. 363