R8A77800ANBGAV Renesas Electronics America, R8A77800ANBGAV Datasheet - Page 721
R8A77800ANBGAV
Manufacturer Part Number
R8A77800ANBGAV
Description
IC SUPERH MPU ROMLESS 449-BGA
Manufacturer
Renesas Electronics America
Series
SuperH® SH7780r
Datasheet
1.R8A77800ANBGV.pdf
(1342 pages)
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
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
R8A77800ANBGAV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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18.4
Each channel has a 32-bit timer counter (TCNT) and a 32-bit timer constant register (TCOR).
Each TCNT performs count-down operation. The channels have an auto-reload function that
allows cyclic count operations, and can also perform external event counting. Channel 2 also has
an input capture function.
18.4.1
When one of bits STR0 to STR2 in TSTR is set to 1, the TCNT for the corresponding channel
starts counting. When TCNT underflows, the UNF flag in TCR is set. If the UNIE bit in TCR is
set to 1 at this time, an interrupt request is sent to the CPU. At the same time, the value is copied
from TCOR into TCNT, and the count-down continues (auto-reload function).
(1)
Figure 18.2 shows an example of the count operation setting procedure.
Example of Count Operation Setting Procedure
Operation
Counter Operation
Rev.1.00 Dec. 13, 2005 Page 669 of 1286
Section 18 Timer Unit (TMU)
REJ09B0158-0100
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