DF71251AD50FPV Renesas Electronics America, DF71251AD50FPV Datasheet - Page 229
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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Notes: 1. TADCR must not be accessed in eight bits; it should always be accessed in 16 bits.
Table 9.29 Setting of Transfer Timing by BF1 and BF0 Bits
Notes: 1. Data is transferred from the cycle set buffer register to the cycle set register when the
Bit
0
Bit 7
BF1
0
0
1
1
2. When interrupt skipping is disabled (the T3AEN and T4VEN bits in the timer interrupt
3. If link with interrupt skipping is enabled while interrupt skipping is disabled, A/D
* Do not set to 1 when complementary PWM mode is not selected.
2. These settings are prohibited when complementary PWM mode is not selected.
Bit Name
ITB4VE
skipping set register (TITCR) are cleared to 0 or the skipping count set bits (3ACOR
and 4VCOR) in TITCR are cleared to 0), do not link A/D converter start requests with
interrupt skipping operation (clear the ITA3AE, ITA4VE, ITB3AE, and ITB4VE bits in the
timer A/D converter start request control register (TADCR) to 0).
converter start requests will not be issued.
crest of the TCNT_4 count is reached in complementary PWM mode, when compare
match occurs between TCNT_3 and TGRA_3 in reset-synchronized PWM mode, or
when compare match occurs between TCNT_4 and TGRA_4 in PWM mode 1 or
normal operation mode.
Bit 6
BF0
0
1
0
1
Initial
Value
0*
Description
Does not transfer data from the cycle set buffer register to the cycle
set register.
Transfers data from the cycle set buffer register to the cycle set
register at the crest of the TCNT_4 count.*
Transfers data from the cycle set buffer register to the cycle set
register at the trough of the TCNT_4 count.*
Transfers data from the cycle set buffer register to the cycle set
register at the crest and trough of the TCNT_4 count.*
R/W
R/W
Description
TCIV_4 Interrupt Skipping Link Enable
Select whether to link A/D converter start requests
(TRG4BN) with TCIV_4 interrupt skipping operation.
0: Does not link with TCIV_4 interrupt skipping
1: Links with TCIV_4 interrupt skipping
Rev. 5.00 Mar. 06, 2009 Page 209 of 770
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REJ09B0243-0500
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