R5F21324ANSP#U1 Renesas Electronics America, R5F21324ANSP#U1 Datasheet - Page 339
R5F21324ANSP#U1
Manufacturer Part Number
R5F21324ANSP#U1
Description
MCU 1KB FLASH 16K ROM 20-LSSOP
Manufacturer
Renesas Electronics America
Series
R8C/3x/32Ar
Datasheet
1.R5F21322ANSPU1.pdf
(629 pages)
Specifications of R5F21324ANSP#U1
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
15
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
20-LSSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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Under development
R8C/32A Group
REJ09B0458-0020 Rev.0.20
Page 309 of 583
Figure 21.6
• Transmit Timing Example When Transfer Data 8 Bits is Long (Parity Enabled, One Stop Bit)
• Transmit Timing Example When Transfer Data is 9 Bits Long (Parity Disabled, Two Stop Bits)
U0C1 register
U0C1 register
U0C0 register
S0TIC register
S0TIC register
U0C1 register
U0C0 register
TXEPT bit in
U0C1 register
Transfer clock
TXEPT bit in
Transfer clock
TE bit in
TI bit in
TE bit in
IR bit in
TI bit in
IR bit in
TXD0
TXD0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
The above applies when:
The above applies when:
• PRYE bit in U0MR register = 1 (parity enabled)
• STPS bit in U0MR register = 0 (one stop bit)
• U0IRS bit in U0C1 register = 1
• PRYE bit in U0MR register = 0 (parity disabled)
• STPS bit in U0MR register = 1 (two stop bits)
• U0IRS bit in U0C1 register = 0
(interrupt request generation when transmission is completed)
(interrupt request generation when the transmit buffer is empty)
Preliminary specification
Specifications in this manual are tentative and subject to change.
Transmit Timing in UART Mode
Data is set in U0TB register.
Start
Data transfer from U0TB register to
UART0 transmit register
Start
Data is set in U0TB register.
Data transfer from U0TB register to
UART0 transmit register
bit
bit
ST
ST
D0
D0
D1
D1
TC
TC
D2
D2
Nov 05, 2008
D3
D3
Set to 0 when an interrupt request is acknowledged or by a program.
D4
D4
D5
D5
D6
D6
D7
D7 D8
Parity
bit
P
Stop
Stop
SP
bit
bit
SP SP
Stop
bit
ST
ST
D0
Set to 0 when an interrupt request is acknowledged or by a program.
D1
D0
TC = 16 (n + 1) / fj or 16 (n + 1) / fEXT
D1
TC = 16 (n + 1) / fj or 16 (n + 1) / fEXT
D2
fj: Frequency of U0BRG count source (f1, f8, f32, fC)
fEXT: Frequency of U0BRG count source (external clock)
n: Setting value in U0BRG register
fj: Frequency of U0BRG count source (f1, f8, f32, fC)
fEXT: Frequency of U0BRG count source (external clock)
n: Setting value in U0BRG register
D2
D3
D3
D4
D4
D5
D5
D6
D7
D6
Pulsing stops because TE bit is set to 0.
21. Serial Interface (UART0)
D7
P
D8
SP
SP SP
ST
D0
ST
D1
D0
D1
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