R5F21346CNFP#U0 Renesas Electronics America, R5F21346CNFP#U0 Datasheet - Page 511
R5F21346CNFP#U0
Manufacturer Part Number
R5F21346CNFP#U0
Description
MCU 1KB FLASH 32K ROM 48-LQFP
Manufacturer
Renesas Electronics America
Series
R8C/3x/34Cr
Datasheet
1.R5F21346CNFPU0.pdf
(759 pages)
Specifications of R5F21346CNFP#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
43
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
2.5K 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
48-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
- Current page: 511 of 759
- Download datasheet (8Mb)
R8C/34C Group
REJ09B0586-0100 Rev.1.00 Jan 13, 2010
Page 478 of 723
Figure 23.8
23.4.1
Table 23.8
Note:
Bit Rate
115200
14400
19200
28800
38400
57600
(bps)
1200
2400
4800
9600
Receive Timing Example When Transfer Data 8 Bits is Long (Parity Disabled, One Stop Bit)
1. For the high-speed on-chip oscillator, the correction value in the FRA4 register should be written into the FRA1
In UART mode, the bit rate is the frequency divided by the U2BRG register divided by 16. Table 23.8 lists the
Bit Rate Setting Example in UART Mode (Internal Clock Selected).
S2RIC register
register and the correction value in the FRA5 register should be written into the FRA3 register.
This applies when the high-speed on-chip oscillator is selected as the system clock and bits FRA22 to FRA20
in the FRA2 register are set to 000b (divide-by-2 mode). For the precision of the high-speed on-chip oscillator,
refer to 33. Electrical Characteristics .
U2C1 register
U2C1 register
Transfer clock
count source
U2BRG
Source
Count
Bit Rate
RE bit in
U2BRG
RI bit in
IR bit in
f8
f8
f8
f1
f1
f1
f1
f1
f1
f1
RXD2
RTS2
Bit Rate Setting Example in UART Mode (Internal Clock Selected)
Receive Timing in UART Mode
The above applies when:
• PRYE bit in U2MR register = 0 (parity disabled)
• STPS bit in U2MR register = 0 (one stop bit)
• CRD bit in U2C0 register = 0 (CTS2/RTS2 function enabled), CRS bit = 1 (RTS2 function selected)
129 (81h)
129 (81h)
42 (2Ah)
10 (0Ah)
64 (40h)
32 (20h)
86 (56h)
64 (40h)
32 (20h)
21 (15h)
U2BRG
Setting
Value
System Clock = 20 MHz
Reception starts when a transfer clock
is generated at the falling edge
of the start bit.
Actual Time
Start bit
113636.36
14367.82
19230.77
29069.77
37878.79
56818.18
(bps)
1201.92
2403.85
4734.85
9615.38
“L” is determined.
Setting
Error
(%)
-1.36 29 (1Dh)
-0.22 79 (4Fh)
-1.36 29 (1Dh)
-1.36 19 (13h)
-1.36
0.16 119 (77h)
0.16 59 (3Bh)
0.16 119 (77h)
0.16 59 (3Bh)
0.94 39 (27h)
System Clock = 18.432 MHz
U2BRG
9 (09h)
Setting
D0
Value
Set to 0 when an interrupt request is acknowledged or by a program.
Receive data taken in
Data transfer from UART2 receive register
to U2RB register
Actual Time
115200.00
14400.00
19200.00
28800.00
38400.00
57600.00
(bps)
2400.00
4800.00
1200.00
9600.00
D1
D7
Setting
Error
(%)
0.00 51 (33h)
0.00 25 (19h)
0.00 12 (0Ch)
0.00 51 (33h)
0.00 34 (22h) 14285.71
0.00 25 (19h) 19230.77
0.00 16 (10h) 29411.76
0.00 12 (0Ch) 38461.54
0.00
0.00
(1)
U2BRG
23. Serial Interface (UART2)
Setting
8 (08h)
Value
Stop bit
System Clock = 8 MHz
−
55555.56
1201.92
2403.85
4807.69
9615.38
Actual
(bps)
Time
−
Setting
Error
(%)
-0.79
-3.55
0.16
0.16
0.16
0.16
0.16
2.12
0.16
−
Related parts for R5F21346CNFP#U0
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
KIT STARTER FOR M16C/29
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8C/2D
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
R0K33062P STARTER KIT
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8C/23 E8A
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8C/25
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER H8S2456 SHARPE DSPLY
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8C38C
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8C35C
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8CL3AC+LCD APPS
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR RX610
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R32C/118
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT DEV RSK-R8C/26-29
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR SH7124
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR H8SX/1622
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT DEV FOR SH7203
Manufacturer:
Renesas Electronics America
Datasheet: