DF71251AD50FPV Renesas Electronics America, DF71251AD50FPV Datasheet - Page 602

MCU RISC FLASH 32K 8K 64LQFP

DF71251AD50FPV

Manufacturer Part Number
DF71251AD50FPV
Description
MCU RISC FLASH 32K 8K 64LQFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH Tinyr
Datasheet

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
Part Number:
DF71251AD50FPV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
17.2.2
When each mode pin and the FWE pin are set in the reset state and the reset signal is released, the
microcomputer enters each operating mode as shown in figure 17.2. For the setting of each mode
pin and the FWE pin, see tables 17.1 to 17.4.
• Flash memory can be read in user mode, but cannot be programmed or erased.
• Flash memory can be read, programmed, or erased on the board only in user program mode
Table 17.1 Relationship between FWE and MD Pins and Operating Modes
Rev. 5.00 Mar. 06, 2009 Page 582 of 770
REJ09B0243-0500
Pin
RES
FWE
MD1
and boot mode.
Operating Mode
Reset State
0
0/1
0/1
User mode
Figure 17.2 Mode Transition of Flash Memory
FWE = 0
FWE = 1
User Mode
1
0
1
User program
mode
Reset state
On-board programming mode
User Program
Mode
1
1
1
Boot mode
Boot Mode
1
1
0

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