HD6417712BPV Renesas Electronics America, HD6417712BPV Datasheet - Page 547

• 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: -

14.4
The interrupt source of TMU is underflow interrupt (TUNI).
14.4.1
The UNF bit is set to 1 when the TCNT underflows. Figure 14.5 shows the timing.
14.4.2
The status flag can be cleared by writing 0 from the CPU. Figure 14.6 shows the timing.
Peripheral address bus
Interrupts
Status Flag Set Timing
Status Flag Clear Timing
Underflow
TCNT
signal
TUNI
UNF
Pφ
UNF
Pφ
Figure 14.6 Status Flag Clear Timing
H'00000000
Figure 14.5 UNF Set Timing
T1
TCR write cycle
TCR address
TCOR value
Rev. 1.00 Dec. 27, 2005 Page 503 of 932
T2
T3
Section 14 Timer Unit (TMU)
REJ09B0269-0100