R5F21276SNFP#U0 Renesas Electronics America, R5F21276SNFP#U0 Datasheet - Page 309
R5F21276SNFP#U0
Manufacturer Part Number
R5F21276SNFP#U0
Description
IC R8C/27 MCU FLASH 32LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/27r
Specifications of R5F21276SNFP#U0
Core Size
16/32-Bit
Program Memory Size
32KB (32K x 8)
Core Processor
R8C
Speed
20MHz
Connectivity
I²C, LIN, SIO, SSU, UART/USART
Peripherals
LED, POR, Voltage Detect, WDT
Number Of I /o
25
Program Memory Type
FLASH
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
2.2 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
32-LQFP
No. Of I/o's
25
Ram Memory Size
1.5KB
Cpu Speed
20MHz
No. Of Timers
4
Digital Ic Case Style
LQFP
Supply Voltage Range
2.2V To 5.5V
Embedded Interface Type
I2C, UART
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
R0K521276S000BE - KIT DEV RSK-R8C/26-29R0E521000EPB00 - PROBE EMULATOR FOR PC7501
Eeprom Size
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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R8C/26 Group, R8C/27 Group
Rev.2.10
REJ09B0278-0210
16.3
Table 16.5
NOTE:
Communication formats • I
I/O pins
Transfer clocks
Receive error detection • Overrun error detection (clock synchronous serial format)
Interrupt sources
Select functions
The I
Philips I
Table 16.5 lists the Specifications of I
and Figure 16.23 shows the External Circuit Connection Example of Pins SCL and SDA. Figures 16.24 to 16.30
show the registers associated with the I
* I
1. All sources use one interrupt vector for I
2
C bus is a trademark of Koninklijke Philips Electronics N. V.
2
I
C bus interface is the circuit that performs serial communication based on the data transfer format of the
Sep 26, 2008
2
2
C bus Interface
C bus.
Item
Specifications of I
Page 290 of 453
• Clock synchronous serial format
SCL (I/O): Serial clock I/O pin
SDA (I/O): Serial data I/O pin
• When the MST bit in the ICCR1 register is set to 0
• When the MST bit in the ICCR1 register is set to 1
• I
• Clock synchronous serial format .... 4 sources
• I
• Clock synchronous serial format
2
- Selectable as master/slave device
- Continuous transmit/receive operation (because the shift register, transmit
- Start/stop conditions are automatically generated in master mode
- Automatic loading of acknowledge bit during transmission
- Bit synchronization/wait function (In master mode, the state of the SCL
- Support for direct drive of pins SCL and SDA (N-channel open drain output)
- Continuous transmit/receive operation (because the shift register, transmit
The external clock (input from the SCL pin)
The internal clock selected by bits CKS0 to CKS3 in the ICCR1 register
(output from the SCL pin)
Indicates an overrun error during reception. When the last bit of the next data
item is received while the RDRF bit in the ICSR register is set to 1 (data in the
ICDRR register), the AL bit is set to 1.
2
Transmit data empty (including when slave address matches), transmit ends,
receive data full (including when slave address matches), arbitration lost,
NACK detection, and stop condition detection.
Transmit data empty, transmit ends, receive data full and overrun error
2
- Selectable output level for acknowledge signal during reception
- MSB-first or LSB-first selectable as data transfer direction
C bus format
C bus format ................................ 6 sources
C bus format
data register, and receive data register are independent)
signal is monitored per bit and the timing is synchronized automatically. If
the transfer is not possible yet, the SCL signal goes “L” and the interface
stands by.)
data register, and receive data register are independent)
2
C bus Interface
2
C bus Interface, Figure 16.22 shows a Block Diagram of I
2
C bus interface.
2
C bus interface.
Specification
16. Clock Synchronous Serial Interface
(1)
(1)
2
C bus Interface,
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