DF71251AD50FPV Renesas Electronics America, DF71251AD50FPV Datasheet - Page 356

• 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: -

9.7.5
If incrementing occurs in the T2 state of a TCNT write cycle, the TCNT write takes precedence
and TCNT is not incremented.
Figure 9.109 shows the timing in this case.
Rev. 5.00 Mar. 06, 2009 Page 336 of 770
REJ09B0243-0500
Figure 9.109 Contention between TCNT Write and Increment Operations
Contention between TCNT Write and Increment Operations
MPφ
Address
Write signal
TCNT input
clock
TCNT
TCNT write cycle
N
TCNT write data
TCNT address
T1
T2
M