DF71251AD50FPV Renesas Electronics America, DF71251AD50FPV Datasheet - Page 67
![MCU RISC FLASH 32K 8K 64LQFP](/photos/28/61/286100/64-lqfp__plqp0064kb-a_sml.jpg)
DF71251AD50FPV
Manufacturer Part Number
DF71251AD50FPV
Description
MCU RISC FLASH 32K 8K 64LQFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH Tinyr
Datasheet
1.DF71243N50FPV.pdf
(794 pages)
Specifications of DF71251AD50FPV
Core Processor
SH-2
Core Size
32-Bit
Speed
50MHz
Connectivity
SCI
Peripherals
POR, PWM, WDT
Number Of I /o
37
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
64-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF71251AD50FPV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 67 of 794
- Download datasheet (5Mb)
• Reset state
• Exception handling state
• Program execution state
• Power-down state
The CPU is reset. When the RES pin is low, the CPU enters the power-on reset state. When the
RES pin is high and MRES pin is low, the CPU enters the manual reset state.
This state is a transitional state in which the CPU processing state changes due to a request for
exception handling such as a reset or an interrupt.
When a reset occurs, the execution start address as the initial value of the program counter
(PC) and the initial value of the stack pointer (SP) are fetched from the exception handling
vector table. Then, a branch is made for the start address to execute a program.
When an interrupt occurs, the PC and status register (SR) are saved in the stack area pointed to
by SP. The start address of an exception handling routine is fetched from the exception
handling vector table and a branch to the address is made to execute a program.
Then the processing state enters the program execution state.
The CPU executes programs sequentially.
The CPU stops to reduce power consumption. The SLEEP instruction makes the CPU enter
sleep mode or software standby mode.
Rev. 5.00 Mar. 06, 2009 Page 47 of 770
REJ09B0243-0500
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