DF71251AD50FPV Renesas Electronics America, DF71251AD50FPV Datasheet - Page 10
![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
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3.4
3.5
3.6
Section 4 Clock Pulse Generator (CPG) ...............................................................57
4.1
4.2
4.3
4.4
4.5
4.6
4.7
4.8
Section 5 Exception Handling ...............................................................................73
5.1
5.2
5.3
5.4
5.5
Rev. 5.00 Mar. 06, 2009 Page viii of xviii
REJ09B0243-0500
Address Map ........................................................................................................................ 51
Initial State in This LSI........................................................................................................ 55
Note on Changing Operating Mode ..................................................................................... 55
Features................................................................................................................................ 57
Input/Output Pins................................................................................................................. 60
Clock Operating Mode......................................................................................................... 61
Register Descriptions ........................................................................................................... 63
4.4.1
4.4.2
Changing Frequency ............................................................................................................ 67
Oscillator.............................................................................................................................. 68
4.6.1
4.6.2
Function for Detecting Oscillator Stop ................................................................................ 70
Usage Notes ......................................................................................................................... 71
4.8.1
4.8.2
Overview.............................................................................................................................. 73
5.1.1
5.1.2
5.1.3
Resets................................................................................................................................... 77
5.2.1
5.2.2
5.2.3
Address Errors ..................................................................................................................... 79
5.3.1
5.3.2
Interrupts.............................................................................................................................. 81
5.4.1
5.4.2
5.4.3
Exceptions Triggered by Instructions .................................................................................. 83
5.5.1
5.5.2
5.5.3
Frequency Control Register (FRQCR) ................................................................... 63
Oscillation Stop Detection Control Register (OSCCR) .......................................... 66
Connecting Crystal Resonator ................................................................................ 68
External Clock Input Method.................................................................................. 69
Note on Crystal Resonator ...................................................................................... 71
Notes on Board Design ........................................................................................... 71
Types of Exception Handling and Priority ............................................................. 73
Exception Handling Operations.............................................................................. 74
Exception Handling Vector Table .......................................................................... 75
Types of Resets....................................................................................................... 77
Power-On Reset ...................................................................................................... 77
Manual Reset .......................................................................................................... 78
Address Error Sources ............................................................................................ 79
Address Error Exception Source............................................................................. 80
Interrupt Sources..................................................................................................... 81
Interrupt Priority ..................................................................................................... 82
Interrupt Exception Handling ................................................................................. 82
Types of Exceptions Triggered by Instructions ...................................................... 83
Trap Instructions..................................................................................................... 83
Illegal Slot Instructions........................................................................................... 84
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