R5F2121AJFP#U0 Renesas Electronics America, R5F2121AJFP#U0 Datasheet - Page 347

• 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 16.36
ICCR1 register
(master output)
(master output)
(slave output)
ICSR register
ICDRR register
ICDRS register
RCVD bit in
RDRF bit in
by program
Processing
SDA
SDA
SCL
Operating Timing in Master Receive Mode (I
1
0
1
0
Data n-1
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A
9
(5) Set RCVD bit to 1 before
Data n-1
reading ICDRR register
b7
1
b6
2
b5
3
b4
4
(6) Stop condition
generation
b3
5
b2
6
2
C Bus Interface Mode) (2)
b1
7
(7) Read ICDRR register before
setting RCVD bit to 0
16. Clock Synchronous Serial Interface
Data n
b0
8
A/A
Data n
9
(8) Set to slave receive mode