DF71251AD50FPV Renesas Electronics America, DF71251AD50FPV Datasheet - Page 78

• 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: -

Figure 4.1 shows a block diagram of the CPG.
Rev. 5.00 Mar. 06, 2009 Page 58 of 770
REJ09B0243-0500
stop detection
Oscillation
[Legend]
FRQCR:
OSCCR:
STBCR1:
STBCR2:
STBCR3:
STBCR4:
STBCR5:
STBCR6:
EXTAL
XTAL
Frequency control register
Oscillation stop detection control register
Standby control register 1
Standby control register 2
Standby control register 3
Standby control register 4
Standby control register 5
Standby control register 6
OSCCR
Oscillation stop
detection circuit
oscillator
Crystal
Clock frequency
control circuit
FRQCR
Figure 4.1 Block Diagram of CPG
STBCR1
PLL circuit
Oscillator unit
(×8)
CPG control unit
STBCR2
Internal bus
Bus interface
Divider
×1/2
×1/4
×1/8
STBCR3
control circuit
Standby
STBCR4
STBCR5
MTU2 clock
(MPφ)
Internal clock
(Iφ)
Peripheral clock
(Pφ)
Bus clock
(Bφ = CK)
STBCR6