DS72011RB120FPV Renesas Electronics America, DS72011RB120FPV Datasheet - Page 659
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
14.3.4
The watchdog timer counter (WTCNT), watchdog timer control/status register (WTCSR), and
watchdog reset control/status register (WRCSR) are more difficult to write to than other registers.
The procedures for reading or writing to these registers are given below.
(1)
These registers must be written by a word transfer instruction. They cannot be written by a byte or
longword transfer instruction.
When writing to WTCNT, set the upper byte to H'5A and transfer the lower byte as the write data,
as shown in figure 14.2. When writing to WTCSR, set the upper byte to H'A5 and transfer the
lower byte as the write data. This transfer procedure writes the lower byte data to WTCNT or
WTCSR.
R01UH0026EJ0300 Rev. 3.00
Sep 24, 2010
Bit
5
4 to 0
WTCNT write
WTCSR write
Writing to WTCNT and WTCSR
Address: H'FFFE0002
Address: H'FFFE0000
Notes on Register Access
Bit Name
RSTS
⎯
Figure 14.2 Writing to WTCNT and WTCSR
Initial
Value
0
All 1
15
15
R/W
R/W
R
H'5A
H'A5
Description
Reset Select
Selects the type of reset when the WTCNT overflows
in watchdog timer mode. In interval timer mode, this
setting is ignored.
0: Power-on reset
1: Manual reset
Reserved
These bits are always read as 1. The write value
should always be 1.
8
8
7
7
Section 14 Watchdog Timer (WDT)
Write data
Write data
Page 631 of 1190
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