DF71251AD50FPV Renesas Electronics America, DF71251AD50FPV Datasheet - Page 332

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

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: -

Note: This function must be used in combination with interrupt skipping.
TGIA_3 A/D request-enabled
Rev. 5.00 Mar. 06, 2009 Page 312 of 770
REJ09B0243-0500
TCIV_4 A/D request-enabled
Figure 9.75 Example of A/D Converter Start Request Signal (TRG4AN) Operation Linked
A/D converter start request (TRG4AN)
Note: *
When interrupt skipping is disabled (the T3AEN and T4VEN bits in the timer interrupt
skipping set register (TITCR) are cleared to 0 or the skipping count set bits (3ACOR and
4VCOR) in TITCR are cleared to 0), make sure that A/D converter start requests are not
linked with interrupt skipping (clear the ITA3AE, ITA4VE, ITB3AE, and ITB4VE bits in
the timer A/D converter start request control register (TADCR) to 0).
TGIA_3 interrupt
TCIV_4 interrupt
skipping counter
skipping counter
When linked with TGIA_3 and TCIV_4
When the interrupt skipping count is set to two.
TADCORA_4
period
period
When linked with TGIA_3
When linked with TCIV_4
00
interrupt skipping
interrupt skipping
interrupt skipping
00
TCNT_4
01
with Interrupt Skipping
01
02
02
00
00
(UT4AE/DT4AE = 1)
01
01