R5F21226JFP#U0 Renesas Electronics America, R5F21226JFP#U0 Datasheet - Page 312
![IC R8C/22 MCU FLASH 48LQFP](/photos/28/61/286102/48-lqfp__plqp0048kb-a_sml.jpg)
R5F21226JFP#U0
Manufacturer Part Number
R5F21226JFP#U0
Description
IC R8C/22 MCU FLASH 48LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/22r
Datasheet
1.R5F21237DFPU0.pdf
(551 pages)
Specifications of R5F21226JFP#U0
Core Processor
R8C
Core Size
16/32-Bit
Speed
20MHz
Connectivity
CAN, I²C, LIN, SIO, SSU, UART/USART
Peripherals
POR, Voltage Detect, WDT
Number Of I /o
41
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
48-LQFP
For Use With
R0E521237CPE00 - EMULATOR COMPACT R8C/20/21/22/23
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
R5F21226JFP#U0R5F21226JFP#U1
Manufacturer:
Renesas Electronics America
Quantity:
10 000
Part Number:
R5F21226JFP#U0R5F21226JFP#V0
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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R8C/22 Group, R8C/23 Group
Rev.2.00 Aug 20, 2008
REJ09B0251-0200
Figure 15.12
15.2.1
Table 15.7
i = 0 or 1
Bit Rate
14400
19200
28800
31250
38400
51200
(bps)
Divided-by-16 of frequency by the UiBRG (i = 0 or 1) register in UART mode is a bit rate.
1200
2400
4800
9600
Bit Rate
<UART Mode>
Calculation Formula of UiBRG (i = 0 or 1) Register Setting Value
Bit Rate Setting Example in UART Mode (Internal Clock Selected)
Source
UiBRG
• When selecting internal clock
• When selecting external clock
Count
f8
f8
f8
f1
f1
f1
f1
f1
f1
f1
Setting value to the UiBRG register =
Setting value to the UiBRG register =
Page 290 of 501
Setting Value
129 (81h)
129 (81h)
UiBRG
64 (40h)
32 (20h)
86 (56h)
64 (40h)
42 (2Ah)
39 (27h)
32 (20h)
23 (17h)
System Clock = 20 MHz
fj: Count source frequency of the UiBRG register (f1, f8 and f32)
fEXT: Count source frequency of the UiBRG register (external clock)
i = 0 or 1
Actual Time
14367.82
19230.77
29069.77
31250.00
37878.79
52083.33
1201.92
2403.85
4734.85
9615.38
(bps)
Error(%)
Setting
-1.36
-0.22
-1.36
0.16
0.16
0.16
0.16
0.94
0.00
1.73
Bit Rate × 16
Bit Rate × 16
Setting Value
fEXT
fj
UiBRG
51 (33h)
25 (19h)
12 (0Ch)
51 (33h)
34 (22h)
25 (19h)
16 (10h)
15 (0Fh)
12 (0Ch)
9 (09h)
System Clock = 8 MHz
- 1
- 1
Actual Time
14285.71
19230.77
31250.00
38461.54
50000.00
29411.76
1201.92
9615.38
2403.85
4807.69
(bps)
15. Serial Interface
Error(%)
Setting
-0.79
-2.34
0.16
0.16
0.16
0.16
0.16
2.12
0.00
0.16
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