HD64F7047F50 Renesas Electronics America, HD64F7047F50 Datasheet - Page 442

• Manufacturer Part Number: HD64F7047F50
• Description: IC SUPERH MCU FLASH 256K 100QFP
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7047r

Specifications of HD64F7047F50

• Core Processor: SH-2
• Core Size: 32-Bit
• Speed: 50MHz
• Connectivity: CAN, SCI
• Peripherals: POR, PWM, WDT
• Number Of I /o: 53
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 12K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 16x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 100-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

14.2.3
The compare match timer counter (CMCNT) is a 16-bit register used as an up-counter for
generating interrupt requests. The initial value is H'0000.
14.2.4
The compare match timer constant register (CMCOR) is a 16-bit register that sets the period for
compare match with CMCNT. The initial value is H'FFFF.
14.3
14.3.1
When an internal clock is selected with the CKS1, CKS0 bits of the CMCSR register and the STR
bit of CMSTR is set to 1, CMCNT begins incrementing with the selected clock. When the
CMCNT counter value matches that of the compare match constant register (CMCOR), the
CMCNT counter is cleared to H'0000 and the CMF flag of the CMCSR register is set to 1. If the
CMIE bit of the CMCSR register is set to 1 at this time, a compare match interrupt (CMI) is
requested. The CMCNT counter begins counting up again from H'0000.
Figure 14.2 shows the compare match counter operation.
Rev. 2.00, 09/04, page 400 of 720
Compare Match Timer Counter_0 and 1 (CMCNT_0, CMCNT_1)
Compare Match Timer Constant Register_0 and 1 (CMCOR_0, CMCOR_1)
Operation
Cyclic Count Operation
CMCOR
H'0000
CMCNT value
Figure 14.2 Counter Operation
Counter cleared by CMCOR
compare match
Time