HD6417751RF240V Renesas Electronics America, HD6417751RF240V Datasheet - Page 422
HD6417751RF240V
Manufacturer Part Number
HD6417751RF240V
Description
MPU 1.5/3.3V 0K PB-FREE 256-QFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7750r
Datasheet
1.D6417751RBP200DV.pdf
(1226 pages)
Specifications of HD6417751RF240V
Core Processor
SH-4
Core Size
32-Bit
Speed
240MHz
Connectivity
EBI/EMI, FIFO, SCI, SmartCard
Peripherals
DMA, POR, WDT
Number Of I /o
39
Program Memory Type
ROMless
Ram Size
48K x 8
Voltage - Supply (vcc/vdd)
1.4 V ~ 1.6 V
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
256-QFP Exposed Pad, 256-eQFP, 256-HQFP
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:
HD6417751RF240V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 422 of 1226
- Download datasheet (7Mb)
12. Timer Unit (TMU)
The TCNT registers in channels 3 and 4 are initialized to H'FFFFFFFF by a power-on reset, but
are not initialized and retain their contents by a manual reset or in standby mode.
In channels 0 to 2, when the input clock is the on-chip RTC output clock (RTCCLK), TCNT
counts even in module standby mode (that is, when the clock for the TMU is stopped). When the
input clock is the external clock (TCLK) or internal clock (Pck), TCNT contents are retained in
standby mode.
12.2.6
The TCR registers are 16-bit readable/writable registers. There are five TCR registers, one for
each channel.
Each TCR selects the count clock, specifies the edge when an external clock is selected in
channels 0 to 2, and controls interrupt generation when the flag indicating timer counter (TCNT)
underflow is set to 1. TCR2 is also used for channel 2 input capture control, and control of
interrupt generation in the event of input capture.
The TCR registers in channels 0 to 2 are initialized to H'0000 by a power-on or manual reset, but
are not initialized in standby mode.
The TCR registers in channels 3 and 4 are initialized to H'0000 by a power-on reset, but are not
initialized by a manual reset or in standby mode.
Rev.4.00 Oct. 10, 2008 Page 322 of 1122
REJ09B0370-0400
Initial value:
R/W:
Timer Control Registers (TCR)
Bit:
R/W
31
1
R/W
30
1
R/W
29
1
· · · · · · · · · · · · ·
R/W
2
1
R/W
1
1
R/W
0
1
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