r5f21346mnfp Renesas Electronics Corporation., r5f21346mnfp Datasheet - Page 21
r5f21346mnfp
Manufacturer Part Number
r5f21346mnfp
Description
Single-chip Mcus Incorporates The R8c Cpu Core
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.R5F21346MNFP.pdf
(776 pages)
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Company:
Part Number:
r5f21346mnfp#V0
Manufacturer:
Renesas Electronics America
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10 000
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26.
25.4
25.5
25.6
26.1
26.2
26.3
26.4
26.5
26.6
26.7
26.8
26.9
25.3.3
25.3.4
25.4.1
25.4.2
25.4.3
25.5.1
25.5.2
25.5.3
25.5.4
26.2.1
26.2.2
26.2.3
26.2.4
26.2.5
26.2.6
26.2.7
26.2.8
26.2.9
26.2.10 IIC bus Status Register (ICSR) ......................................................................................................... 537
26.2.11 Slave Address Register (SAR) .......................................................................................................... 538
26.2.12 IIC bus Shift Register (ICDRS) ........................................................................................................ 538
26.3.1
26.3.2
26.3.3
26.4.1
26.4.2
26.4.3
26.4.4
26.4.5
26.5.1
26.5.2
26.5.3
26.9.1
26.9.2
I
2
C bus Interface ......................................................................................................................... 527
Clock Synchronous Communication Mode .......................................................................................... 512
Operation in 4-Wire Bus Communication Mode .................................................................................. 519
Notes on Synchronous Serial Communication Unit .............................................................................. 526
Overview ............................................................................................................................................... 527
Registers ................................................................................................................................................ 530
Common Items for Multiple Modes ...................................................................................................... 539
I
Clock Synchronous Serial Mode ........................................................................................................... 554
Examples of Register Setting ................................................................................................................ 557
Noise Canceller ..................................................................................................................................... 561
Bit Synchronization Circuit ................................................................................................................... 562
Notes on I
2
C bus Interface Mode ......................................................................................................................... 543
Interrupt Requests ............................................................................................................................. 510
Communication Modes and Pin Functions ....................................................................................... 511
Initialization in Clock Synchronous Communication Mode ............................................................ 512
Data Transmission ............................................................................................................................ 513
Data Reception .................................................................................................................................. 515
Initialization in 4-Wire Bus Communication Mode ......................................................................... 520
Data Transmission ............................................................................................................................ 521
Data Reception .................................................................................................................................. 523
SCS Pin Control and Arbitration ...................................................................................................... 525
Module Standby Control Register (MSTCR) ................................................................................... 530
SSU/IIC Pin Select Register (SSUIICSR) ........................................................................................ 530
I/O Function Pin Select Register (PINSR) ....................................................................................... 531
IIC bus Transmit Data Register (ICDRT) ......................................................................................... 532
IIC bus Receive Data Register (ICDRR) .......................................................................................... 532
IIC bus Control Register 1 (ICCR1) ................................................................................................. 533
IIC bus Control Register 2 (ICCR2) ................................................................................................. 534
IIC bus Mode Register (ICMR) ........................................................................................................ 535
IIC bus Interrupt Enable Register (ICIER) ....................................................................................... 536
Transfer Clock .................................................................................................................................. 539
SDA Pin Digital Delay Selection ...................................................................................................... 541
Interrupt Requests ............................................................................................................................. 542
I2C bus Format ................................................................................................................................. 543
Master Transmit Operation ............................................................................................................... 544
Master Receive Operation ................................................................................................................ 546
Slave Transmit Operation ................................................................................................................. 549
Slave Receive Operation ................................................................................................................... 552
Clock Synchronous Serial Format .................................................................................................... 554
Transmit Operation ........................................................................................................................... 555
Receive Operation ............................................................................................................................. 556
Master Receive Mode ....................................................................................................................... 563
The ICE Bit in the ICCR1 Register and the IICRST Bit in the ICCR2 Register ............................. 563
2
C bus Interface .................................................................................................................... 563
A - 14
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