R5S77631Y266BGV Renesas Electronics America, R5S77631Y266BGV Datasheet - Page 832

• Manufacturer Part Number: R5S77631Y266BGV
• Description: IC SUPERH MPU ROMLESS 499BGA
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7780r

Specifications of R5S77631Y266BGV

• Core Processor: SH-4A
• Core Size: 32-Bit
• Speed: 266MHz
• Connectivity: Audio Codec, I²C, MMC, SCI, SIM, SIO, SSI, USB
• Peripherals: DMA, LCD, POR, WDT
• Number Of I /o: 107
• Program Memory Type: ROMless
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 1.15 V ~ 1.35 V
• Data Converters: A/D 4x10b; D/A 2x8b
• Oscillator Type: External
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 499-BGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -

Section 22 Realtime Clock (RTC)
22.1.1
Figure 22.1 shows a block diagram of the RTC.
Rev. 2.00 May 22, 2009 Page 762 of 1982
REJ09B0256-0200
RTC clock output
RSECCNT
RSECAR
R64CNT
Prescaler
Block Diagram
16.384 kHz
128 kHz
RMINCNT
RMINAR
32.768 kHz
Counter unit
Figure 22.1 Block Diagram of RTC
RHRCNT
RHRAR
RTC crystal
oscillator
Bus interface
RDAYCNT
RDAYAR
To registers
Internal peripheral module bus
control unit
ATI
Interr upt
PRI
RWKCNT
RWKAR
CUI
RTC operation
RMONCNT
control unit
RMONAR
Reset
RCR3
RYRCNT
RCR1
RCR2
RYRAR