HD6417709SF133B Renesas Electronics America, HD6417709SF133B Datasheet - Page 300

• Manufacturer Part Number: HD6417709SF133B
• Description: IC SUPERH MPU ROMLESS 208LQFP
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7700r

Specifications of HD6417709SF133B

• Core Processor: SH-3
• Core Size: 32-Bit
• Speed: 133MHz
• Connectivity: EBI/EMI, FIFO, IrDA, SCI, SmartCard
• Peripherals: DMA, POR, WDT
• Number Of I /o: 96
• Program Memory Type: ROMless
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 1.65 V ~ 2.05 V
• Data Converters: A/D 8x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 208-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Program Memory Size: -

Bits 5 to 3—Clock Select Bits (CKS2 to CKS0): Select the clock input to RTCNT. The source
clock is the external bus clock (CKIO). The RTCNT count clock is CKIO divided by the specified
ratio. RTCOR must be set before setting CKS2-CKS0.
Bit 5: CKS2
0
1
Bit 2—Refresh Count Overflow Flag (OVF): Indicates when the number of refresh requests
indicated in the refresh count register (RFCR) exceeds the limit set in the LMTS bit in RTCSR.
Bit 2: OVF
0
1
Note: * Contents do not change when 1 is written to OVF.
Bit 1—Refresh Count Overflow Interrupt Enable (OVIE): Selects whether to suppress
generation of interrupt requests by the OVF bit in RTCSR when OVF is set to 1.
Bit 1: OVIE
0
1
Rev. 5.00, 09/03, page 254 of 760
Bit 4: CKS1
0
1
0
1
Description
RFCR has not exceeded the count limit value set in LMTS
Clearing condition: When 0 is written to OVF
RFCR has exceeded the count limit value set in LMTS
Setting condition: When the RFCR value has exceeded the count limit value
set in LMTS *
Description
Interrupt request by OVF is disabled
Interrupt request by OVF is enabled
Bit 3: CKS0
0
1
0
1
0
1
0
1
Description
Normal external bus clock
Clock input disabled
Bus clock (CKIO)/4
CKIO/16
CKIO/64
CKIO/256
CKIO/1024
CKIO/2048
CKIO/4096
(Initial value)
(Initial value)