R5F21134DFP#U0 Renesas Electronics America, R5F21134DFP#U0 Datasheet - Page 134

• Manufacturer Part Number: R5F21134DFP#U0
• Description: IC R8C MCU FLASH 32LQFP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M16C/R8C/Tiny/13r

Specifications of R5F21134DFP#U0

• Core Size: 16-Bit
• Program Memory Size: 16KB (16K x 8)
• Oscillator Type: Internal
• Core Processor: R8C
• Speed: 20MHz
• Connectivity: SIO, UART/USART
• Peripherals: LED, POR, Voltage Detect, WDT
• Number Of I /o: 22
• Program Memory Type: FLASH
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 12x10b
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-LQFP
• No. Of I/o's: 22
• Eeprom Memory Size: 4KB
• Ram Memory Size: 1024Byte
• Cpu Speed: 20MHz
• No. Of Timers: 16
• Digital Ic Case: RoHS Compliant
• Controller Family/series: R8C/13
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: R0K521134S000BE - KIT EVAL STARTER FOR R8C/13R0E521134EPB00 - KIT EMULATOR PROBE FOR PC7501R0E521134CPE00 - EMULATOR COMPACT R8C/13
• Eeprom Size: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

R8C/13 Group
Rev.1.20
REJ09B0111-0120
Figure 13.11 Calculation Formula of UiBRG (i=0 to 1) Register Setting Value
Table 13.7 Bit Rate Setting Example in UART Mode
Bit Rate
14400
19200
28800
31250
38400
51200
1200
2400
4800
9600
(bps)
13.2.3 Bit Rate
Divided-by-16 of frequency by the UiBRG (i=0 to 1) register in UART mode is a bit rate.
Jan 27, 2006
<UART Mode>
• When selecting internal clock
Setting value to the UiBRG register =
• When selecting external clock
Setting value to the UiBRG register =
Count Source
fj : Count source frequency of the UiBRG register (f1SIO, f8SIO and f32SIO)
fEXT : Count source frequency of the UiBRG register (external clock)
BRG
f8
f8
f8
f1
f1
f1
f1
f1
f1
f1
page 123 of 205
BRG Setting Value Actual Time(bps) Error(%)
129 (81
129 (81
64 (40
32 (20
86 (56
64 (40
42 (2A
39 (27
32 (20
23 (17
System Clock = 20MHz
16
16
16
16
16
16
16
16
16
16
)
)
)
)
)
)
)
)
)
)
14367.82
19230.77
29069.77
31250.00
37878.79
52083.33
1201.92
2403.85
4734.85
9615.38
Bit Rate
Bit Rate
fEXT
fj
13.2 Clock Asynchronous Serial I/O (UART) Mode
–1.36
–0.22
–1.36
0.16
0.16
0.16
0.16
0.94
0.00
1.73
16
16
–1
–1
BRG Setting Value Actual Time(bps) Error(%)
51 (33
25 (19
12 (0C
51 (33
34 (22
25 (19
16 (10
15 (0F
12 (0C
9 (09
16
16
16
16
16
16
16
16
16
16
System Clock = 8MHz
)
)
)
)
)
)
)
)
)
)
14285.71
19230.77
29411.76
31250.00
38461.54
50000.00
1201.92
2403.85
4807.69
9615.38
–0.79
–2.34
0.16
0.16
0.16
0.16
0.16
2.12
0.00
0.16