R5F21334CNFP#U0 Renesas Electronics America, R5F21334CNFP#U0 Datasheet - Page 365

• Manufacturer Part Number: R5F21334CNFP#U0
• Description: MCU 1KB FLASH 16K ROM 32-LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/3x/33Cr

Specifications of R5F21334CNFP#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: 27
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Ram Size: 1.5K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 12x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 32-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/33C Group
REJ09B0570-0100 Rev.1.00 Dec. 14, 2009
Page 335 of 589
22.2.11 UART2 Special Mode Register 2 (U2SMR2)
22.2.12 UART2 Special Mode Register (U2SMR)
Note:
After Reset
After Reset
1. The BBS bit is set to 0 by writing 0 by a program (Writing 1 has no effect).
Bit
b0
b1
b2
b3
b4
b5
b6
b7
Bit
b0
b1
b2
b3
b4
b5
b6
b7
Address 00BEh
Address 00BFh
Symbol
Symbol
Symbol
Symbol
SWC2
Bit
IICM2
STAC
Bit
SWC
SDHI
CSC
IICM
BBS
—
—
—
—
—
—
—
—
b7
b7
—
—
X
X
I
Clock synchronization bit
SCL wait output bit
Reserved bit
UART2 initialization bit
SCL wait output bit 2
SDA output disable bit
Nothing is assigned. If necessary, set to 0. When read, the content is undefined.
I
Reserved bit
Bus busy flag
Reserved bit
Nothing is assigned. If necessary, set to 0. When read, the content is undefined.
2
2
C mode select bit 2
C mode select bit
SDHI
b6
b6
—
0
0
(1)
Bit Name
Bit Name
SWC2
b5
b5
—
0
0
STAC
b4
b4
—
0
0
Refer to Table 22.12 I
0: Disabled
1: Enabled
0: Disabled
1: Enabled
Set to 0.
0: Disabled
1: Enabled
0: Transfer clock
1: “L” output
0: Enabled
1: Disabled (high-impedance)
0: Other than I
1: I
Set to 0.
0: Stop condition detected
1: Start condition detected (busy)
Set to 0.
b3
b3
—
—
0
0
2
C mode
SWC
BBS
b2
b2
0
0
2
C mode
Function
Function
2
CSC
C Mode Functions .
b1
b1
—
0
0
22. Serial Interface (UART2)
IICM2
IICM
b0
b0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
—
—