R5F212D8SNFP#U0 Renesas Electronics America, R5F212D8SNFP#U0 Datasheet - Page 418

• Manufacturer Part Number: R5F212D8SNFP#U0
• Description: IC R8C/2D MCU FLASH 64KB 80-LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/2x/2Dr

Specifications of R5F212D8SNFP#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: 71
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Ram Size: 3K x 8
• Voltage - Supply (vcc/vdd): 2.2 V ~ 5.5 V
• Data Converters: A/D 20x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 80-LQFP
• For Use With: R0K5212D8S001BE - KIT STARTER FOR R8C/2DR0K5212D8S000BE - KIT DEV FOR R8C/2D
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/2C Group, R8C/2D Group
Rev.2.00
REJ09B0339-0200
Figure 15.14
15.2.1
Table 15.7
i = 0 to 2
Bit Rate
14400
19200
28800
31250
38400
51200
(bps)
1200
2400
4800
9600
In UART mode, the bit rate is the frequency divided by the UiBRG (i = 0 to 2) register.
Dec 05, 2007
Bit Rate
UiBRG register setting value =
UiBRG register setting value =
UART mode
Calculation Formula of UiBRG (i = 0 to 2) Register Setting Value
Bit Rate Setting Example in UART Mode (Internal Clock Selected)
i = 0 to 2
Source
Count
• Internal clock selected
• External clock selected
BRG
f8
f8
f8
f1
f1
f1
f1
f1
f1
f1
Page 395 of 585
Setting Value
129 (81h)
129 (81h)
42 (2Ah)
64 (40h)
32 (20h)
86 (56h)
64 (40h)
39 (27h)
32 (20h)
23 (17h)
UiBRG
System Clock = 20 MHz
Fj: Count source frequency of the UiBRG register (f1, f8, or f32)
fEXT: Count source frequency of the UiBRG register (external clock)
Actual Time
14367.82
19230.77
29069.77
31250.00
37878.79
52083.33
(bps)
1201.92
2403.85
4734.85
9615.38
Bit Rate × 16
Bit Rate × 16
fEXT
fj
Error (%)
-1.36
-0.22
-1.36
0.94
0.16
0.16
0.16
0.16
0.00
1.73
Setting Value
- 1
- 1
12 (0Ch)
12 (0Ch)
16 (10h)
15 (0Fh)
51 (33h)
25 (19h)
51 (33h)
34 (22h)
25 (19h)
9 (09h)
UiBRG
System Clock = 8 MHz
Time (bps)
Actual
14285.71
19230.77
29411.76
31250.00
38461.54
50000.00
1201.92
2403.85
4807.69
9615.38
15. Serial Interface
Error (%)
-0.79
-2.34
0.16
0.16
0.16
0.16
0.16
2.12
0.00
0.16