R5F21122FP#U0 Renesas Electronics America, R5F21122FP#U0 Datasheet - Page 115
R5F21122FP#U0
Manufacturer Part Number
R5F21122FP#U0
Description
IC R8C MCU FLASH 8K 32LQFP
Manufacturer
Renesas Electronics America
Series
M16C™ M16C/R8C/Tiny/12r
Datasheets
1.R5F211A2SPU0.pdf
(300 pages)
2.R5F21122FPU0.pdf
(30 pages)
3.R5F21122FPU0.pdf
(200 pages)
Specifications of R5F21122FP#U0
Core Processor
R8C
Core Size
16-Bit
Speed
16MHz
Connectivity
SIO, UART/USART
Peripherals
LED, WDT
Number Of I /o
22
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 8x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
32-LQFP
For Use With
R0K521134S000BE - KIT EVAL STARTER FOR R8C/13R0E521134EPB00 - KIT EMULATOR PROBE FOR PC7501R0E521134CPE00 - EMULATOR COMPACT R8C/13
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
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- Download datasheet (3Mb)
R8C/12 Group
Rev.1.20
REJ09B0110-0120
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 103 of 181
BRG Setting Value Actual Time(bps) Error(%)
103 (67
103 (67
51 (33
25 (19
68 (44
51 (33
34 (22
31 (1F
25 (19
19 (13
System Clock = 16MHz
16
16
16
16
16
16
16
16
16
16
)
)
)
)
)
)
)
)
)
)
14492.75
19230.77
28571.43
31250.00
38461.54
50000.00
1201.92
2403.85
4807.69
9615.38
Bit Rate
Bit Rate
fEXT
fj
13.2 Clock Asynchronous Serial I/O (UART) Mode
–0.79
–2.34
0.16
0.16
0.16
0.16
0.64
0.16
0.00
0.16
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
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