R5F21346CNFP#U0 Renesas Electronics America, R5F21346CNFP#U0 Datasheet - Page 534
R5F21346CNFP#U0
Manufacturer Part Number
R5F21346CNFP#U0
Description
MCU 1KB FLASH 32K ROM 48-LQFP
Manufacturer
Renesas Electronics America
Series
R8C/3x/34Cr
Datasheet
1.R5F21346CNFPU0.pdf
(759 pages)
Specifications of R5F21346CNFP#U0
Core Processor
R8C
Core Size
16/32-Bit
Speed
20MHz
Connectivity
I²C, LIN, SIO, SSU, UART/USART
Peripherals
POR, PWM, Voltage Detect, WDT
Number Of I /o
43
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
2.5K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 12x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
48-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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R8C/34C Group
REJ09B0586-0100 Rev.1.00 Jan 13, 2010
Page 501 of 723
24. Clock Synchronous Serial Interface
The clock synchronous serial interface is configured as follows.
Clock synchronous serial interface
The clock synchronous serial interface uses the registers at addresses 0193h to 019Dh. Registers, bits, symbols, and
functions vary even for the same addresses depending on the mode. Refer to the registers of each function for details.
Also, the differences between clock synchronous communication mode and clock synchronous serial mode are the
options of the transfer clock, clock output format, and data output format.
24.1
Table 24.1
0
0
1
1
IICSEL Bit in
Synchronous serial communication unit (SSU)
I
The clock synchronous serial interface has four modes.
Table 24.1 lists the Mode Selections. Refer to 25. Synchronous Serial Communication Unit (SSU), 26. I
Interface and the sections that follow for details of each mode.
SSUIICSR
2
Register
C bus Interface
Mode Selection
(ICE Bit in ICCR1
0
0
1
1
Mode Selections
Bit 7 in 0198h
Register)
(SSUMS Bit in SSMR2
0
1
0
1
Register, FS Bit in
SAR Register)
Bit 0 in 019Dh
Synchronous serial
communication unit
I
2
C bus interface
Function
Clock synchronous communication mode
4-wire bus communication mode
I
Clock synchronous serial mode
2
C bus interface mode
24. Clock Synchronous Serial Interface
Clock synchronous
communication mode
4-wire bus communication mode
I
Clock synchronous serial mode
2
C bus interface mode
Mode
2
C bus
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