R5F21217JFP#U1 Renesas Electronics America, R5F21217JFP#U1 Datasheet - Page 348
![MCU FLASH 48K 2.5K CMOS 48LQFP](/photos/28/61/286102/48-lqfp__plqp0048kb-a_sml.jpg)
R5F21217JFP#U1
Manufacturer Part Number
R5F21217JFP#U1
Description
MCU FLASH 48K 2.5K CMOS 48LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/21r
Datasheet
1.R5F21216JFP.pdf
(503 pages)
Specifications of R5F21217JFP#U1
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
48KB (48K x 8)
Program Memory Type
FLASH
Ram Size
2.5K 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
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
R5F21217JFP#U1R5F21217JFP
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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- Download datasheet (6Mb)
R8C/20 Group, R8C/21 Group
Rev.2.00 Aug 27, 2008
REJ09B0250-0200
16.3.3.4
In slave transmit mode, the slave device outputs the transmit data while the master device outputs the receive
clock and returns an acknowledge signal.
Figure 16.37 and Figure 16.38 show the Operation Timing in Slave Transmit Mode (I
The transmit procedure and operation in slave transmit mode are shown below.
(1) Set the ICE bit in the ICCR1 register to 1 (transfer operation enabled). Set the WAIT and MLS bits in
(2) When the slave address matches at the 1st frame after detecting the start condition, the slave device
(3) When the TDRE bit in the ICDRT register is set to 1 after writing the last transmit data to the ICDRT
(4) The SCL signal is released by setting the TRS bit to 0 and performing the dummy-read of the ICDRR
(5) Set the TDRE bit to 0.
the ICMR register and CKS0 to CKS3 bits in the ICCR1 register (initial setting). Set the TRS and MST
bits in the ICCR1 register to 0 and wait until the slave address matches in slave receive mode.
outputs the level set by the ACKBT bit in the ICIER register to the SDA pin at the rise of the 9th clock.
At this time, if the 8-bit data (R/W) is set to 1, the TRS and TDRE bit in the ICSR register are set to 1,
the mode is switched to slave transmit mode automatically. When writing transmit data to the ICDRT
register every time the TDRE bit is set to 1, the continuous transmit is enabled.
register, wait until the TEND bit in the ICSR register is set to 1 while the TDRE bit is set to 1. When the
TEND bit is set to 1, set the TEND bit to 0.
register for the end process.
Slave Transmit Operation
Page 330 of 458
16. Clock Synchronous Serial Interface
2
C Bus Interface Mode).
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