R5F21324CNSP#U0 Renesas Electronics America, R5F21324CNSP#U0 Datasheet - Page 237

• Manufacturer Part Number: R5F21324CNSP#U0
• Description: MCU 1KB FLASH 16K ROM 20-LSSOP
• Manufacturer: Renesas Electronics America
• Series: R8C/3x/32Cr

Specifications of R5F21324CNSP#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: 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: -

R8C/32C Group
REJ09B0573-0100 Rev.1.00 Dec. 18, 2009
Page 208 of 573
18.2.3
18.2.4
Notes:
After Reset
After Reset
1. Change bits TMOD1 and TMOD0; TCK1 and TCK0; and TCKCUT when both the TSTART and TCSTF bits in the
2. The TWRC bit can be set to either 0 or 1 in timer mode. In programmable waveform generation mode,
3. To use the underflow signal of timer RA as the count source for timer RB, set timer RA in timer mode, pulse
Bit
b0
b1
b2
b3
b4
b5
b6
b7
Bit
b0
b1
b2
b3
b4
b5
b6
b7
Address 010Ah
Address 010Bh
TRBCR register set to 0 (count stops).
programmable one-shot generation mode, or programmable wait one-shot generation mode, the TWRC bit must
be set to 1 (write to reload register only).
output mode, or event count mode.
Symbol
Symbol TCKCUT
TCKCUT Timer RB count source cutoff bit
INOSTG One-shot trigger control bit
INOSEG One-shot trigger polarity select bit
TOCNT Timer RB output switch bit
TMOD0 Timer RB operating mode select bit
TMOD1
Symbol
Symbol
TWRC
Bit
Bit
TOPL
TCK0
TCK1
Timer RB I/O Control Register (TRBIOC)
Timer RB Mode Register (TRBMR)
—
—
—
—
—
—
b7
b7
—
0
0
Nothing is assigned. If necessary, set to 0. When read, the content is 0.
Timer RB write control bit
Timer RB count source select bit
Nothing is assigned. If necessary, set to 0. When read, the content is 0.
Timer RB output level select bit
Nothing is assigned. If necessary, set to 0. When read, the content is 0.
b6
b6
—
—
0
0
Bit Name
Bit Name
TCK1
b5
—
b5
0
0
(2)
TCK0
b4
b4
—
0
0
(1)
(1)
(1)
INOSEG INOSTG
TWRC
b1 b0
0: Write to reload register and counter
1: Write to reload register only
b5 b4
0: Provides count source
1: Cuts off count source
Function varies according to the operating mode.
0 0: Timer mode
0 1: Programmable waveform generation mode
1 0: Programmable one-shot generation mode
1 1: Programmable wait one-shot generation
0 0: f1
0 1: f8
1 0: Timer RA underflow
1 1: f2
b3
b3
0
0
mode
b2
b2
—
0
0
TMOD1
TOCNT
Function
Function
b1
b1
0
0
(3)
TMOD0
TOPL
b0
b0
0
0
18. Timer RB
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
—
—
—