R5F21162SP#U0 Renesas Electronics America, R5F21162SP#U0 Datasheet - Page 103

• Manufacturer Part Number: R5F21162SP#U0
• Description: IC R8C MCU FLASH 8K 20SSOP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M16C/R8C/Tiny/16r

Specifications of R5F21162SP#U0

• Core Processor: R8C
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: I²C, SIO, UART/USART
• Peripherals: LED, POR, Voltage Detect, WDT
• Number Of I /o: 13
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 20-SSOP
• For Use With: R0K521134S000BE - KIT EVAL STARTER FOR R8C/13
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/16 Group, R8C/17 Group
Rev.2.10
REJ09B0169-0210
13.1.2
Table 13.3
NOTES:
Count Source
Count Operation
Division Ratio
Count Start Condition
Count Stop Condition
Interrupt Request
Generation Timing
INT10/CNTR00 Pin
Function
CNTR0 Pin Function
Read from Timer
Write to Timer
Select Function
1. The level of the output pulse becomes the level when the pulse output starts when the TX register is
Pulse output mode is mode to count the count source internally generated and outputs the pulse
which inverts the polarity from the CNTR0 pin each time the timer underflows (See Table 13.3
Specification of Pulse Output Mode). Figure 13.5 shows TXMR Register in Pulse Output Mode.
written to.
Jan 19, 2006
Item
Pulse Output Mode
Specification of Pulse Output Mode
Page 88 of 254
f1, f2, f8, fRING
• Decrement
• When the timer underflows, the contents in the reload register is reloaded and
1/(n+1)(m+1) n: setting value of PREX register, m: setting value of TX register
Write “1” (count starts) to the TXS bit in the TXMR register
Write “0” (count stops) to the TXS bit in the TXMR register
When Timer X underflows [Timer X interrupt]
Pulse output
Programmable I/O port or inverted output of CNTR0
The count value can be read by reading the TX and PREX registers.
• When writing to the TX and PREX registers while the count stops, the value is
• When writing to the TX and PREX registers during the count, the value is
• INT1/CNTR0 signal polarity switch function
• Inverted pulse output function
the count is inherited
written to both the reload register and counter.
written to each reload register of the TX and PREX registers at the following
count source input and the data is transferred to the counter at the second
count source input and the count re-starts at the third count source input.
The R0EDG bit can select the polarity level when the pulse output starts
The pulse which inverts the polarity of the CNTR0 output can be output from
the CNTR0 pin (selected by TXOCNT bit)
Specification
13. Timers
(1)