R5F2121AJFP#U0 Renesas Electronics America, R5F2121AJFP#U0 Datasheet - Page 346

• Manufacturer Part Number: R5F2121AJFP#U0
• Description: MCU FLASH 96K 5K CMOS 48-LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/2x/21r

Specifications of R5F2121AJFP#U0

• Core Processor: R8C
• Core Size: 16/32-Bit
• Speed: 20MHz
• Connectivity: I²C, LIN, SIO, SSU, UART/USART
• Peripherals: POR, Voltage Detect, WDT
• Number Of I /o: 41
• Program Memory Size: 96KB (96K x 8)
• Program Memory Type: FLASH
• Ram Size: 5K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 12x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/20 Group, R8C/21 Group
Rev.2.00 Aug 27, 2008
REJ09B0250-0200
Figure 16.35
ICCR1 register
ICSR register
ICSR register
ICSR register
ICDRR register
ICDRS register
(master output)
(master output)
RDRF bit in
TDRE bit in
TEND bit in
(slave output)
Master transmit mode
TRS bit in
by program
Processing
SDA
SDA
SCL
Operating Timing in Master Receive Mode (I
1
0
1
0
1
0
1
0
(1) Set TEND and TRS bits to 0 before
setting TDRE bits to 0
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A
9
b7
1
Master receive mode
b6
2
(2) Read ICDRR register
b5
3
b4
4
2
b3
5
C Bus Interface Mode) (1)
b2
6
16. Clock Synchronous Serial Interface
b1
7
Data 1
b0
8
(3) Read ICDRR register
A
9
Data 1
b7
1