R5F21276SNFP#U0 Renesas Electronics America, R5F21276SNFP#U0 Datasheet - Page 275
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
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Manufacturer
Quantity
Price
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R8C/26 Group, R8C/27 Group
Rev.2.10
REJ09B0278-0210
Figure 15.12
• Example of receive timing when transfer data is 8 bits long (parity disabled, one stop bit)
UiBRG output
UiC1 register
RE bit
RXDi
Transfer clock
UiC1 register
RI bit
SiRIC register
IR bit
Sep 26, 2008
Receive Timing Example in UART Mode
The above timing diagram applies when the register bits are set as follows:
• PRYE bit in UiMR register = 0 (parity disabled)
• STPS bit in UiMR register = 0 (1 stop bit)
i = 0 or 1
1
0
1
0
1
0
Reception triggered when transfer clock
is generated by falling edge of start bit
Page 256 of 453
Start bit
Determined to be “L” Receive data taken in
D0
Set to 0 when interrupt request is accepted, or set by a program
D1
Transferred from UARTi receive
register to UiRB register
D7
Stop bit
15. Serial Interface
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