HD64F3048BF25 Renesas Electronics America, HD64F3048BF25 Datasheet - Page 430

• Manufacturer Part Number: HD64F3048BF25
• Description: IC H8 MCU FLASH 128K 100QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Hr

Specifications of HD64F3048BF25

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 8MHz
• Connectivity: SCI, SmartCard
• Peripherals: DMA, PWM, WDT
• Number Of I /o: 70
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 4K 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-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-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
and TCNT is not incremented. The TCNT byte that was not written retains its previous value. See
figure 10.63, which shows an increment pulse occurring in the T
Rev. 3.00 Sep 27, 2006 page 402 of 872
REJ09B0325-0300
Figure 10.63 Contention between TCNT Byte Write and Increment
Address bus
Internal write signal
TCNT input clock
TCNTH
TCNTL
2
or T
3
state of a TCNT byte write cycle, writing takes priority
T
TCNTH byte write cycle
1
N
X
TCNTH address
TCNT write data
T
2
X + 1
2
state of a byte write to TCNTH.
T
3
M
X