HD6417720BP133BV Renesas Electronics America, HD6417720BP133BV Datasheet - Page 570

• Manufacturer Part Number: HD6417720BP133BV
• Description: SH3-DSP, WITH USB AND LCDC, PB-F
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7700r

Specifications of HD6417720BP133BV

• Core Processor: SH-3 DSP
• Core Size: 32-Bit
• Speed: 133MHz
• Connectivity: FIFO, I²C, IrDA, MMC, SCI, SD, SIO, SIM, USB
• Peripherals: DMA, LCD, POR, WDT
• Number Of I /o: 117
• Program Memory Type: ROMless
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 1.4 V ~ 1.6 V
• Data Converters: A/D 4x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 256-BGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -

Section 14 Timer Unit (TMU)
14.4
There is one source of TMU interrupts: underflow interrupts (TUNI).
14.4.1
The UNF bit is set to 1 when TCNT underflows. Figure 14.6 shows the timing.
14.4.2
The status flag can be cleared by writing 0 from the CPU. Figure 14.7 shows the timing.
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Peripheral address bus
Interrupts
Status Flag Set Timing
Status Flag Clear Timing
Underflow
TCNT
signal
TUNI
UNF
UNF, ICPF
Pφ
Pφ
Figure 14.7 Status Flag Clear Timing
H'00000000
Figure 14.6 UNF Set Timing
T1
TCR write cycle
TCR address
(TCOR value)
T2
T3
SH7720 Group, SH7721 Group
R01UH0083EJ0400 Rev. 4.00
Sep 21, 2010