R5F21102DFP#U0 Renesas Electronics America, R5F21102DFP#U0 Datasheet - Page 98

• Manufacturer Part Number: R5F21102DFP#U0
• Description: IC R8C MCU FLASH 8K 32LQFP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M16C/R8C/Tiny/10r

Specifications of R5F21102DFP#U0

• Core Processor: R8C
• Core Size: 16-Bit
• Speed: 16MHz
• Connectivity: SIO, UART/USART
• Peripherals: LED, WDT
• Number Of I /o: 22
• 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 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-LQFP
• For Use With: R0K521134S000BE - KIT EVAL STARTER FOR R8C/13R0E521134EPB00 - KIT EMULATOR PROBE FOR PC7501R0E521134CPE00 - EMULATOR COMPACT R8C/13
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/10 Group
Rev.1.20 Jan 27, 2006
REJ09B0019-0120
Figure 12.28 Timer C Block Diagram
Table 12.13 Timer C Specifications
NOTES:
12.4 Timer C
1. TC register and TM0 register must be read in 16-bit units.
Count source
Count operation
Count start condition
Count stop condition
Interrupt request
generation timing
______
INT3/TC
Counter value reset timing
Read from timer
Write to timer
Select function
Timer C is a 16-bit free-running timer. Figure 12.28 shows a block diagram of Timer C. The Timer C uses
an edge input to TC
interrupt request. The TC
from occurring. Table 12.13 shows Timer C specifications. Figure 12.29 shows TC, TM0, TCC0, and
TCC1 registers. Figure 12.30 shows an operation example of Timer C.
INT3/TC
TCC11 to TCC10
TCC11 to TCC10
IN
Item
IN
Other than 00
f
32
f
pin function
f
8
1
(1)
=01
=10
=11
=00
TCC02 to TCC01
2
2
2
page 86 of 180
2
2
Sampling
clock
IN
f
pin or the f
Digital
f
f
32
1
8
filter
f
RING128
f
• Count up
• Transfer value in TC register to TM0 register at active edge of measurement pulse
• Value in TC register is set to “0000
TCC00 bit in TCC0 register is set to “1” (capture enabled)
TCC00 bit in TCC0 register is set to “0” (capture disabled)
• When active edge of measurement pulse is input [INT3 interrupt]
• When Time C underflows [Timer C interrupt]
Programmable I/O or measurement pulse input
When TCC00 bit in TCC0 register is set to “0” (capture disabled)
• Counter value can be read out by reading TC register.
• Counter value at measurement pulse active edge input can be read out by reading TM0
Write to TC register and TM0 register is disabled
• INT3/TC
• Digital filter function
• Trigger select function
1
IN
register.
Measurement pulse active edge is selected by TCC03 to TCC04 bits
Digital filter sampling frequency is selected by TCC11 to TCC10 bits
TC
, f
_____
=00
=01
=10
input has a digital filter and this prevents an error caused by noise or so on
8
IN
, f
2
2
2
32
input or f
TCC07=0
RING128
TCC07=1
IN
switching function
RING128
Edge detection
clock as trigger to latch the timer count value and generates an
TCC01, TCC02, TCC07: Bits in TCC0 register
TCC10, TCC11: Bits in TCC1 register
Upper 8 bits
Upper 8 bits
is selected by TCC07 bit.
TM0 register
TC register
Counter
Specification
16
Lower 8 bits
Lower 8 bits
” when a counting stops
Data bus
_____
Transfer signal
Timer C interrupt
INT3 interrupt
12.4 Timer (Timer C)