R5F21256SNFP#ES Renesas Electronics America, R5F21256SNFP#ES Datasheet - Page 320
R5F21256SNFP#ES
Manufacturer Part Number
R5F21256SNFP#ES
Description
MCU 2/5V 32K 52-LQFP ES SAMPLE
Manufacturer
Renesas Electronics America
Series
R8C/2x/25r
Specifications of R5F21256SNFP#ES
Core Processor
R8C
Core Size
16/32-Bit
Speed
20MHz
Connectivity
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)
2.2 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
52-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
- Current page: 320 of 527
- Download datasheet (6Mb)
R8C/24 Group, R8C/25 Group
Rev.3.00
REJ09B0244-0300
Figure 15.10
• Transmit timing when transfer data is 8 bits long (parity enabled, 1 stop bit)
TI bit in UiC1
register
• Transmit timing when transfer data is 9 bits long (parity disabled, 2 stop bits)
TI bit in UiC1
register
Transfer clock
TE bit in UiC1
register
TXEPT bit in
UiC0 register
IR bit SiTIC
register
Transfer clock
TE bit in UiC1
register
TXEPT bit in
UiC0 register
IR bit in SiTIC
register
The above timing diagram applies under the following conditions:
• PRYE bit in UiMR register = 0 (parity disabled)
• STPS bit in UiMR register = 1 (2 stop bits)
• UiIRS bit in UiC1 register = 0 (an interrupt request is generated when transmit buffer is empty)
TXDi
TXDi
Feb 29, 2008
The above timing diagram applies under the following conditions:
• PRYE bit in UiMR register = 1 (parity enabled)
• STPS bit in UiMR register = 0 (1 stop bit)
• UiIRS bit in UiC1 register = 1 (an interrupt request is generated when transmit completes)
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
Transmit Timing in UART Mode
Start
Start
ST
ST
bit
bit
Write data to UiTB register
Write data to UiTB register
D0
D0
Page 301 of 485
D1
D1
TC
TC
D2
D2
Set to 0 when interrupt request is acknowledged, or set by a program
D3
D3
D4
D4
D5
D5
D6
D6
Transfer from UiTB register to UARTi transmit register
D7
D7 D8
Parity
bit
P
Stop
Stop
Transfer from UiTB register to UARTi transmit register
bit
bit
SP
SP SP
Stop
bit
ST
D0
ST
Set to 0 when interrupt request is acknowledged, or set by a program
D1
D0
TC=16 (n + 1) / fj or 16 (n + 1) / fEXT
TC=16 (n + 1) / fj or 16 (n + 1) / fEXT
D1
D2
fj: Frequency of UiBRG count source (f1, f8, f32)
fEXT: Frequency of UiBRG count source (external clock)
n: Setting value to UiBRG register
i = 0 to 1
fj: Frequency of UiBRG count source (f1, f8, f32)
fEXT: Frequency of UiBRG count source (external clock)
n: Setting value to UiBRG register
i = 0 to 1
D2
D3
D3
D4
D4
D5
D5
D6
D7
D6
D7
P
Stop pulsing
because the TE bit is set to 0
D8
SP
SP SP
15. Serial Interface
ST
D0
ST
D1
D0
D1
Related parts for R5F21256SNFP#ES
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: