DF71251AD50FPV Renesas Electronics America, DF71251AD50FPV Datasheet - Page 69
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
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3.1
This LSI has four MCU operating modes and three on-chip flash memory programming modes.
The operating mode is determined by the setting of FWE, MD1, and MD0 pins. Table 3.1 shows
the allowable combinations of these pin settings; do not set these pins in the other way than the
shown combinations.
When power is applied to the system, be sure to conduct power-on reset.
The MCU operating mode can be selected from MCU extension modes 0 to 2 and single chip
mode. For the on-chip flash memory programming mode, boot mode, user boot mode, and user
program mode, which are on-chip programming modes are available.
Table 3.1
Notes: 1. Flash memory programming mode.
Mode No.
Mode 3
Mode 4*
Mode 6*
2. Prohibited in SH71251A, SH71250A, SH71241A and SH71240A.
1
2
Selection of Operating Modes
Selection of Operating Modes
0
1
1
FWE
Section 3 MCU Operating Modes
Pin Setting
MD1
1
0
1
Mode Name
Single chip mode
Boot mode
User program mode
Rev. 5.00 Mar. 06, 2009 Page 49 of 770
On-Chip ROM
(Flash memory)
Active
Active
Active
REJ09B0243-0500
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