HD6417712BPV Renesas Electronics America, HD6417712BPV Datasheet - Page 545

• Manufacturer Part Number: HD6417712BPV
• Description: MPU 1.5/3.3V 0K PB-FREE 256-BGA
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH Ethernetr

Specifications of HD6417712BPV

• Core Processor: SH-3 DSP
• Core Size: 32-Bit
• Speed: 200MHz
• Connectivity: EBI/EMI, Ethernet, FIFO, SCI, SIO
• Peripherals: DMA, POR, WDT
• Number Of I /o: 24
• Program Memory Type: ROMless
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 1.4 V ~ 1.6 V
• Oscillator Type: External
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 256-BGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

Auto-Reload Count Operation: Figure 14.3 shows the TCNT auto-reload operation.
STR0–STR2
Note: When an interrupt has been generated, clear the flag in the interrupt handler that caused it.
H'00000000
TCOR
interrupt generation
Set timer constant
UNF
If interrupts are enabled without clearing the flag, another interrupt will be generated.
TCNT value
Select operation
Select counter
Set underflow
Initialize timer
Start counting
register
counter
clock
Figure 14.3 Auto-Reload Count Operation
Figure 14.2 Setting Count Operation
(1)
(2)
(3)
(4)
(5)
TCOR value set to
TCNT during underflow
Rev. 1.00 Dec. 27, 2005 Page 501 of 932
(1) Select the counter clock
(2) Use the UNIE bit in TCR
(3) Set a value in TCOR (the
(4) Set the initial value in
(5) Set the STR bit in TSTR
with the TPSC2 to TPSC0
bits in TCR.
to set whether to
generate an interrupt
when TCNT underflows.
cycle is the set value plus
1).
TCNT.
to 1 to start operation.
Section 14 Timer Unit (TMU)
REJ09B0269-0100
Time