DF71251AD50FPV Renesas Electronics America, DF71251AD50FPV Datasheet - Page 408

• 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: -

Rev. 5.00 Mar. 06, 2009 Page 388 of 770
REJ09B0243-0500
Bit
13
12
11 to 9 ⎯
Bit Name
POE1F
POE0F
Initial
value
0
0
All 0
R/W
R/(W)*
R/(W)*
R
1
1
Description
POE1 Flag
This flag indicates that a high impedance request has
been input to the POE1 pin.
[Clearing conditions]
•
•
[Setting condition]
•
POE0 Flag
This flag indicates that a high impedance request has
been input to the POE0 pin.
[Clearing conditions]
•
•
[Setting condition]
•
Reserved
These bits are always read as 0. The write value should
always be 0.
By writing 0 to POE1F after reading POE1F = 1
(when the falling edge is selected by bits 3 and 2 in
ICSR1)
By writing 0 to POE1F after reading POE1F = 1 after
a high level input to POE1 is sampled at Pφ/8, Pφ/16,
or Pφ/128 clock (when low-level sampling is selected
by bits 3 and 2 in ICSR1)
When the input set by ICSR1 bits 3 and 2 occurs at
the POE1 pin
By writing 0 to POE0F after reading POE0F = 1
(when the falling edge is selected by bits 1 and 0 in
ICSR1)
By writing 0 to POE0F after reading POE0F = 1 after
a high level input to POE0 is sampled at Pφ/8, Pφ/16,
or Pφ/128 clock (when low-level sampling is selected
by bits 1 and 0 in ICSR1)
When the input set by ICSR1 bits 1 and 0 occurs at
the POE0 pin