DF71251AD50FPV Renesas Electronics America, DF71251AD50FPV Datasheet - Page 389

• 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: -

Operation when Error Occurs during Phase Counting Mode Operation, and Operation is
Restarted in Normal Mode: Figure 9.140 shows an explanatory diagram of the case where an
error occurs in phase counting mode and operation is restarted in normal mode after re-setting.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10. Set in normal mode.
11. Initialize the pins with TIOR.
12. Set MTU2 output with the PFC.
13. Operation is restarted by TSTR.
MTU2 module output
Figure 9.140 Error Occurrence in Phase Counting Mode, Recovery in Normal Mode
After a reset, MTU2 output is low and ports are in the high-impedance state.
Set phase counting mode.
compare-match occurrence.)
Set MTU2 output with the PFC.
The count operation is started by TSTR.
Output goes low on compare-match occurrence.
An error occurs.
Set port output with the PFC and output the inverse of the active level.
The count operation is stopped by TSTR.
Initialize the pins with TIOR. (The example shows initial high output, with low output on
n = 0 to 15
Port output
TIOC*A
TIOC*B
PEn
PEn
RESET
1
TMDR
(PCM)
2
High-Z
High-Z
(1 init
0 out)
TIOR
3
(MTU2)
PFC
4
TSTR
(1)
5
Match
6
occurs
Error
7
(PORT)
PFC
Rev. 5.00 Mar. 06, 2009 Page 369 of 770
8
TSTR
(0)
9
(normal)
TMDR
10
0 out)
TIOR
(1 init
11
REJ09B0243-0500
(MTU2)
PFC
12
TSTR
(1)
13