R5F213J6CNNP#U0 Renesas Electronics America, R5F213J6CNNP#U0 Datasheet - Page 498
![MCU 1KB FLASH 32K ROM 36-QFN](/photos/28/61/286182/36-wfqfn_sml.jpg)
R5F213J6CNNP#U0
Manufacturer Part Number
R5F213J6CNNP#U0
Description
MCU 1KB FLASH 32K ROM 36-QFN
Manufacturer
Renesas Electronics America
Series
R8C/3x/3JCr
Datasheet
1.R5F213J6CNNPU0.pdf
(750 pages)
Specifications of R5F213J6CNNP#U0
Core Processor
R8C
Core Size
16/32-Bit
Speed
20MHz
Connectivity
I²C, LIN, SIO, SSU, UART/USART
Peripherals
POR, PWM, Voltage Detect, WDT
Number Of I /o
31
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
2.5K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 10x10b, D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
36-WQFN Exposed Pad, 36-HWQFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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R8C/3JC Group
REJ09B0602-0100 Rev.1.00
May 12, 2010
Table 23.7
TXD2
(P3_4, P3_7,
or P6_6)
RXD2
(P3_4, P3_7,
or P4_5)
CLK2
(P3_5)
CTS2/RTS2
(P3_3)
Table 23.7 lists the I/O Pin Functions in UART Mode.
Note that for a period from when the UART2 operating mode is selected to when transfer starts, the TXD2 pin
outputs “H”. (When N-channel open-drain output is selected, this pin is in the high-impedance state.)
Figure 23.7 shows the Transmit Timing in UART Mode. Figure 23.8 shows the Receive Timing in UART Mode.
Pin Name
I/O Pin Functions in UART Mode
Serial data output
Serial data input
I/O port
Transfer clock input
CTS input
RTS output
I/O port
Function
• When TXD2 (P3_4)
• When TXD2 (P3_7)
• When TXD2 (P6_6)
• For reception only:
• When RXD2 (P3_4)
• When RXD2 (P3_7)
• When RXD2 (P4_5)
• For transmission only:
CLK2SEL0 bit in U2SR1 register = 0
CLK2SEL0 bit in U2SR1 register = 1
CKDIR bit in U2MR register = 1
PD3_5 bit in PD3 register = 0
CTS2SEL0 bit in U2SR1 register = 1
CRD bit in U2C0 register = 0
CRS bit in U2C0 register = 0
PD3_3 bit in PD3 register = 0
CTS2SEL0 bit in U2SR1 register = 1
CRD bit in U2C0 register = 0
CRS bit in U2C0 register = 1
CTS2SEL0 bit in U2SR1 register = 0
Bits TXD2SEL2 to TXD2SEL0 in U2SR0 register = 010b (P3_4)
Bits TXD2SEL2 to TXD2SEL0 in U2SR0 register = 001b (P3_7)
Bits TXD2SEL2 to TXD2SEL0 in U2SR0 register = 101b (P6_6)
P3_4, P3_7, and P6_6 can be used as ports by setting
TXD2SEL2 to TXD2SEL0 to 000b.
Bits RXD2SEL1 to RXD2SEL0 in U2SR0 register = 01b (P3_4)
PD3_4 bit in PD3 register =0
Bits RXD2SEL1 to RXD2SEL0 in U2SR0 register = 10b (P3_7)
PD3_7 bit in PD3 register = 0
Bits RXD2SEL1 to RXD2SEL0 in U2SR0 register = 11b (P4_5)
PD4_5 bit in PD4 register = 0
P3_4, P3_7, and P4_5 can be used as ports by setting
RXD2SEL1 to RXD2SEL0 to 00b.
Selection Method
23. Serial Interface (UART2)
Page 467 of 715
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