R8A77850ANBGV Renesas Electronics America, R8A77850ANBGV Datasheet - Page 794

• Manufacturer Part Number: R8A77850ANBGV
• Description: IC SUPERH MPU ROMLESS 436-BGA
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7780r

Specifications of R8A77850ANBGV

• Core Processor: SH-4A
• Core Size: 32-Bit
• Speed: 600MHz
• Connectivity: Audio Codec, MMC, Serial Sound, SCI, SIO, SPI, SSI
• Peripherals: DMA, POR, WDT
• Number Of I /o: 108
• Program Memory Type: ROMless
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 1 V ~ 1.2 V
• Oscillator Type: External
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 436-BGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

16. Watchdog Timer and Reset (WDT)
16.3
Table 16.2 shows the registers of the WDT module. Table 16.3 shows the register states in each
operating mode.
Table 16.2 Register Configuration
Table 16.3 Register States in Each Operating Mode
Rev.1.00 Jan. 10, 2008 Page 762 of 1658
REJ09B0261-0100
Register Name
Watchdog timer stop time register WDTST
Watchdog timer control/status
register
Watchdog timer base stop time
register
Watchdog timer counter
Watchdog timer base counter
Register Name
Watchdog timer stop time register WDTST
Watchdog timer control/status
register
Watchdog timer base stop time
register
Watchdog timer counter
Watchdog timer base counter
Register Descriptions
Abbreviation R/W
WDTCSR
WDTBST
WDTCNT
WDTBCNT
Abbreviation
WDTCSR
WDTBST
WDTCNT
WDTBCNT
R/W
R/W
R/W
R
R
Power-on
Reset by
PRESET Pin
H'0000 0000
H'0000 0000
H'0000 0000
H'0000 0000
H'0000 0000
P4 Address
H'FFCC 0000
H'FFCC 0004
H'FFCC 0008
H'FFCC 0010
H'FFCC 0018
Power-on
Reset by
WDT/H-UDI
Retained
Retained
Retained
H'0000 0000
H'0000 0000
Area 7
Address
H'1FCC 0000
H'1FCC 0004
H'1FCC 0008
H'1FCC 0010
H'1FCC 0018
Manual
Reset by
WDT/
Multiple
Exception
Retained
Retained
Retained
Retained
Retained
Access
Size
32
32
32
32
32
Sleep/Deep
Sleep Mode
by SLEEP
Instruction
Retained
Retained
Retained
Retained
Retained
Sync
Clock
Pck
Pck
Pck
Pck
Pck