R8A77800ANBGAV Renesas Electronics America, R8A77800ANBGAV Datasheet - Page 723

• Manufacturer Part Number: R8A77800ANBGAV
• Description: IC SUPERH MPU ROMLESS 449-BGA
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7780r

Specifications of R8A77800ANBGAV

• Core Processor: SH-4A
• Core Size: 32-Bit
• Speed: 400MHz
• Connectivity: Audio Codec, MMC, Serial Sound, SCI, SIO, SPI, SSI
• Peripherals: DMA, POR, WDT
• Number Of I /o: 75
• Program Memory Type: ROMless
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 1.15 V ~ 1.35 V
• Oscillator Type: External
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 449-BGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

(2)
Figure 18.3 shows the TCNT auto-reload operation.
(3)
• Operating on internal clock
Any of five count clocks (Pck/4, Pck/16, Pck/64, Pck/256, or Pck/1024) scaled from the
peripheral clock can be selected as the count clock by means of the TPSC2 to TPSC0 bits in
TCR.
Figure 18.4 shows the timing in this case.
STR0 to STR5
UNF
H'0000 0000
Auto-Reload Count Operation
TCNT Count Timing
TCOR
TCNT value
Pck
Internal clock
TCNT
Figure 18.4 Count Timing when Operating on Internal Clock
Figure 18.3 TCNT Auto-Reload Operation
N + 1
N
TCOR value set in TCNT
on underflow
Rev.1.00 Dec. 13, 2005 Page 671 of 1286
Section 18 Timer Unit (TMU)
N – 1
REJ09B0158-0100
Time