R5F211B1SP#U0 Renesas Electronics America, R5F211B1SP#U0 Datasheet - Page 175

• Manufacturer Part Number: R5F211B1SP#U0
• Description: IC R8C MCU FLASH 4K 20SSOP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M16C/R8C/Tiny/1Br

Specifications of R5F211B1SP#U0

• Core Processor: R8C
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: I²C, SIO, SSU, UART/USART
• Peripherals: LED, POR, Voltage Detect, WDT
• Number Of I /o: 13
• Program Memory Size: 4KB (4K x 8)
• Program Memory Type: FLASH
• Ram Size: 384 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: R0K5211B4S001BE - KIT STARTER FOR R8C/18191A1BR0K5211B4S000BE - KIT DEV EVALUATION R8C/1BR0E521174CPE10 - EMULATOR COMPACT R8C/18/19/1
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/1A Group, R8C/1B Group
Rev.1.30
REJ09B0252-0130
Figure 15.6
UARTi Transmit / Receive Control Register 1 (i = 0 or 1)
UART Transmit / Receive Control Register 2
b7 b6 b5 b4
NOTE :
b7 b6 b5 b4
NOTE :
1.
1.
0
The RI bit is set to 0 w hen the higher byte of the UiRB register is read out.
Dec 08, 2006
The CNTRSEL bit selects the input pin of the CNTR0 (INTI
When the CNTR0 signal is output, it is output from the CNTR00 pin regardless of the CNTRSEL bit setting.
b3 b2 b1 b0
b3 b2
0
Registers U0C1 to U1C1, and UCON
b1 b0
Bit Symbol
Bit Symbol
CNTRSEL
U1SEL0
U1SEL1
(b7-b4)
Symbol
U0RRM
Symbol
U0IRS
U1IRS
U0C1
U1C1
UCON
(b3)
(b6)
Page 157 of 315
RE
TE
RI
—
—
—
TI
Transmit enable bit
Transmit buffer empty flag
Receive enable bit
Receive complete flag
Nothing is assigned. If necessary, set to 0.
When read, the content is 0.
UART0 transmit interrupt
source select bit
UART1 transmit interrupt
source select bit
UART0 continuous receive
mode enable bit
Reserved bit
UART1 pin (P3_7/TXD1,
P4_5/RXD1) select bits
Reserved bit
CNTR0 signal pin select bit
Address
Bit Name
00B0h
Address
Bit Name
00A5h
00ADh
(1)
_____
(1)
) signal.
b5 b4
0 0 : P3_7, P4_5
0 1 : P3_7, RXD1
1 0 : Do not set.
1 1 : TXD1, RXD1
0 : Transmit buffer empty (TI = 1)
1 : Transmit completed (TXEPT = 1)
0 : Transmit buffer empty (TI = 1)
1 : Transmit completed (TXEPT = 1)
0 : Disables continuous receive mode.
1 : Enables continuous receive mode.
Set to 0.
Set to 0.
0 : P1_5/RXD0
1 : P1_5/RXD0/CNTR01/INT11
P1_7/CNTR00/INT10
P1_7
0 : Disables transmission.
1 : Enables transmission.
0 : Data in UiTB register
1 : No data in UiTB register
0 : Disables reception.
1 : Enables reception.
0 : No data in UiRB register
1 : Data in UiRB register
______
After Reset
Function
After Reset
Function
00h
______
02h
02h
15. Serial Interface
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RO
RO
—