DF3052BX25V Renesas Electronics America, DF3052BX25V Datasheet - Page 414

• Manufacturer Part Number: DF3052BX25V
• Description: MCU 5V 512K 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Hr

Specifications of DF3052BX25V

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 25MHz
• Connectivity: SCI, SmartCard
• Peripherals: DMA, POR, PWM, WDT
• Number Of I /o: 70
• Program Memory Size: 512KB (512K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 8x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Section 10 16-Bit Integrated Timer Unit (ITU)
Contention between TCNT Byte Write and Increment: If an increment pulse occurs in the T
or T
TCNT byte that was not written retains its previous value. See figure 10.63, which shows an
increment pulse occurring in the T
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state of a TCNT byte write cycle, writing takes priority and TCNT is not incremented. The
Figure 10.63 Contention between TCNT Byte Write and Increment
Address bus
Internal write signal
TCNT input clock
TCNTH
TCNTL
2
state of a byte write to TCNTH.
T
TCNTH byte write cycle
1
N
X
TCNTH address
TCNT write data
T
2
X + 1
T
3
M
X
2