HD6417727BP100BV Renesas Electronics America, HD6417727BP100BV Datasheet - Page 505
HD6417727BP100BV
Manufacturer Part Number
HD6417727BP100BV
Description
IC SUPERH MPU ROMLESS 240BGA
Manufacturer
Renesas Electronics America
Series
SuperH® SH7700r
Datasheet
1.HD6417727BP100CV.pdf
(1098 pages)
Specifications of HD6417727BP100BV
Core Processor
SH-3 DSP
Core Size
32-Bit
Speed
100MHz
Connectivity
FIFO, SCI, SIO, SmartCard, USB
Peripherals
DMA, LCD, POR, WDT
Number Of I /o
104
Program Memory Type
ROMless
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
1.6 V ~ 2.05 V
Data Converters
A/D 6x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
240-BGA
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Program Memory Size
-
- Current page: 505 of 1098
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15.2.2
The timer control registers (TCR) are 16-bit read/write registers that control the timer counters
(TCNT) and interrupts. The TMU has a total of three TCR registers, one for each channel.
The TCR registers control the interrupt generated when the flag that indicates the timer counter
(TCNT) underflow has been set to 1, and select the counter clock. When an external clock has
been selected, the clock edge can also be selected.
TCR is initialized to H'0000 by a power-on reset or manual reset. In standby mode, it is not
initialized and retains the value.
Bits 15 to 9, 7, 6, 4, and 3—Reserved: These bits are always read as 0 and should only be written
with 0.
Bit 8—Underflow Flag (UNF): This is a status flag that indicates that TCNT underflowed.
Bit 8: UNF
0
1
Note: * When a write of 1 is provided to UNF, it is not modified and the previous value is retained.
Initial value:
Initial value:
Timer Control Register (TCR)
R/W:
R/W:
Bit:
Bit:
Description
TCNT has not underflowed.
Clear condition: When 0 is written to UNF
TCNT has underflowed (H'00000000 → H'FFFFFFFF).
Setting condition: When TCNT underflows*
15
—
—
R
R
0
7
0
14
—
—
R
R
0
6
0
UNIE
R/W
13
—
R
0
5
0
12
—
—
R
R
0
4
0
Rev.6.00 Mar. 27, 2009 Page 447 of 1036
11
—
—
R
R
0
3
0
TPSC2
R/W
10
—
R
Section 15 Timer (TMU)
0
2
0
REJ09B0254-0600
TPSC1
R/W
—
R
9
0
1
0
(Initial value)
TPSC0
UNF
R/W
R/W
8
0
0
0
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