HD6417712BPV Renesas Electronics America, HD6417712BPV Datasheet - Page 544
HD6417712BPV
Manufacturer Part Number
HD6417712BPV
Description
MPU 1.5/3.3V 0K PB-FREE 256-BGA
Manufacturer
Renesas Electronics America
Series
SuperH® SH Ethernetr
Datasheet
1.HD6417712BPV.pdf
(980 pages)
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
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD6417712BPV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 544 of 980
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Section 14 Timer Unit (TMU)
When a TCNT count-down results in an underflow (H'00000000 → H'FFFFFFFF), the underflow
flag (UNF) in TCR of the relevant channel is set. The TCOR value is simultaneously set in TCNT
itself and the count-down continues from that value.
TCNT is initialized to H'FFFFFFFF by a power-on reset or manual reset, but is not initialized, and
retains its contents, in standby mode.
14.3
Each of the three channels has a 32-bit TCNT and a 32-bit TCOR. TCNT counts down. The auto-
reload function enables synchronized counting and counting by external events.
14.3.1
When the STR0 to STR2 bits in TSTR are set to 1, the corresponding TCNT starts counting.
When TCNT underflows, the underflow flag (UNF) of the corresponding TCR is set. At this time,
if the UNIE bit in TCR is 1, an interrupt request is sent to the CPU. Also at this time, the value is
copied from TCOR to TCNT and the down-count operation is continued.
Count Operation Setting Procedure: An example of the procedure for setting the count
operation is shown in figure 14.2.
Rev. 1.00 Dec. 27, 2005 Page 500 of 932
REJ09B0269-0100
TMU Operation
Counter Operation
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