R5F21162SP#U0 Renesas Electronics America, R5F21162SP#U0 Datasheet - Page 146

• Manufacturer Part Number: R5F21162SP#U0
• Description: IC R8C MCU FLASH 8K 20SSOP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M16C/R8C/Tiny/16r

Specifications of R5F21162SP#U0

• Core Processor: R8C
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: I²C, SIO, UART/USART
• Peripherals: LED, POR, Voltage Detect, WDT
• Number Of I /o: 13
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 20-SSOP
• For Use With: R0K521134S000BE - KIT EVAL STARTER FOR R8C/13
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/16 Group, R8C/17 Group
Rev.2.10
REJ09B0169-0210
Table 14.2
NOTES:
Table 14.3
U0TB
U0RB
U0BRG
U0MR
U0C0
U0C1
UCON
TXD0(P1_4)
RXD0(P1_5)
CLK0(P1_6)
Table 14.3 lists the I/O Pin Functions in Clock Synchronous Serial I/O Mode. The TXD0 pin outputs “H”
level between the operating mode selection of UART0 and transfer start, an “H” (If the NCH bit is set to
“1” (the N-channel open-drain output), this pin is in a high-impedance state.)
Pin Name
1. Set bits which are not in this table to “0” when writing to the registers in clock synchronous serial I/O
Register
mode.
Jan 19, 2006
Registers to Be Used and Settings in Clock Synchronous Serial I/O Mode
I/O Pin Functions in Clock Synchronous Serial I/O Mode
Output serial data
Input serial data
Output transfer clock
Input transfer clock
0 to 7
0 to 7
OER
0 to 7
SMD2 to SMD0
CKDIR
CLK1 to CLK0
TXEPT
NCH
CKPOL
UFORM
TE
TI
RE
RI
U0IRS
U0RRM
CNTRSEL
Function
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Bit
Set transmit data
Receive data can be read
Overrun error flag
Set bit rate
Set to “001b”
Select the internal clock or external clock
Select the count source in the U0BRG register
Transmit register empty flag
Select TXD0 pin output mode
Select the transfer clock polarity
Select the LSB first or MSB first
Set this bit to “1” to enable transmit/receive
Transmit buffer empty flag
Set this bit to “1” to enable receive
Receive complete flag
Select the factor of UART0 transmit interrupt
Set this bit to “1” to use continuous receive mode
Set this bit to “1” to select P1_5/RXD0/CNTR01/INT11
(Outputs dummy data when performing receive only)
PD1_5 bit in PD1 register=0
(P1_5 can be used as an input port when performing transmit
only)
CKDIR bit in U0MR register=0
CKDIR bit in U0MR register=1
PD1_6 bit in PD1 register=0
Selection Method
Function
14. Serial Interface
(1)