DS72011RB120FPV Renesas Electronics America, DS72011RB120FPV Datasheet - Page 661
DS72011RB120FPV
Manufacturer Part Number
DS72011RB120FPV
Description
IC SH7201 MPU ROMLESS 176LQFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7200r
Datasheet
1.R0K572011S000BE.pdf
(1222 pages)
Specifications of DS72011RB120FPV
Core Size
32-Bit
Core Processor
SH-2A
Speed
120MHz
Connectivity
CAN, EBI/EMI, FIFO, I²C, SCI, Serial Sound
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
104
Program Memory Type
ROMless
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 70°C
Package / Case
176-LQFP
No. Of I/o's
109
Ram Memory Size
32KB
Cpu Speed
120MHz
Digital Ic Case Style
LQFP
Supply Voltage Range
3V To 3.6V
Operating Temperature Range
-20°C To +70°C
Embedded Interface Type
I2C, SSI
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
R0K572011S000BE - KIT STARTER FOR SH7201HS0005KCU11H - EMULATOR E10A-USB H8S(X),SH2(A)
Eeprom Size
-
Program Memory Size
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DS72011RB120FPV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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SH7201 Group
14.4
14.4.1
The WDT can be used to cancel software standby mode with an interrupt such as an NMI
interrupt. The procedure is described below. (The WDT does not operate when resets are used for
canceling, so keep the RES or MRES pin low until clock oscillation settles.)
1. Before making a transition to software standby mode, always clear the TME bit in WTCSR
2. Set the type of count clock used in the CKS[2:0] bits in WTCSR and the initial value of the
3. After setting the STBY bit to 1 and the DEEP bit to 0 in the standby control register (STBCR:
4. The WDT starts counting by detecting the edge change of the NMI signal.
5. When the WDT count overflows, the CPG starts supplying the clock and this LSI resumes
14.4.2
To change the frequency used by the PLL, use the WDT. When changing the frequency only by
switching the divider, do not use the WDT.
1. Before changing the frequency, always clear the TME bit in WTCSR to 0. When the TME bit
2. Set the type of count clock used in the CKS[2:0] bits in WTCSR and the initial value of the
3. When the frequency control register (FRQCR) is written to, this LSI stops temporarily. The
4. When the WDT count overflows, the CPG resumes supplying the clock and this LSI resumes
5. The counter stops at the value of H'00.
6. Before changing WTCNT after execution of the frequency change instruction, always confirm
R01UH0026EJ0300 Rev. 3.00
Sep 24, 2010
to 0. When the TME bit is 1, an erroneous reset or interval timer interrupt may be generated
when the count overflows.
counter in WTCNT. These values should ensure that the time till count overflow is longer than
the clock oscillation settling time.
see section 25, Power-Down Modes), the execution of a SLEEP instruction places the system
in software standby mode and clock operation then stops.
operation. The WOVF flag in WRCSR is not set when this happens.
is 1, an erroneous reset or interval timer interrupt may be generated when the count overflows.
counter in WTCNT. These values should ensure that the time till count overflow is longer than
the clock oscillation settling time. Note that, the WDT counts up by the clock to be set.
WDT starts counting.
operation. The WOVF flag in WRCSR is not set when this happens.
that the value of WTCNT is H'00 by reading from WTCNT.
WDT Usage
Canceling Software Standby Mode
Changing the Frequency
Section 14 Watchdog Timer (WDT)
Page 633 of 1190
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