DF71251AD50FPV Renesas Electronics America, DF71251AD50FPV Datasheet - Page 84
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: 84 of 794
- Download datasheet (5Mb)
Rev. 5.00 Mar. 06, 2009 Page 64 of 770
REJ09B0243-0500
Bit
15
14 to 12
11 to 9
Bit Name
⎯
IFC[2:0]
BFC[2:0]
Initial
Value
0
011
011
R/W
R
R/W
R/W
Description
Reserved
This bit is always read as 0. The write value should
always be 0.
Internal Clock (Iφ) Frequency Division Ratio
Specify the division ratio of the internal clock (Iφ)
frequency with respect to the output frequency of PLL
circuit. If a prohibited value is specified, subsequent
operation is not guaranteed.
000: Setting prohibited
001: ×1/2
010: Setting prohibited
011: ×1/4 (initial value)
100: ×1/8
Other than above: Setting prohibited
Specify the division ratio of the bus clock (Bφ)
frequency with respect to the output frequency of PLL
circuit. If a prohibited value is specified, subsequent
operation is not guaranteed.
000: Setting prohibited
001: ×1/2
010: Setting prohibited
011: ×1/4 (initial value)
100: ×1/8
Other than above: Setting prohibited
Bus Clock (Bφ) Frequency Division Ratio
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