HD64F3067RF20 Renesas Electronics America, HD64F3067RF20 Datasheet - Page 410

• Manufacturer Part Number: HD64F3067RF20
• Description: IC H8 MCU FLASH 128K 100-QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Hr

Specifications of HD64F3067RF20

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 20MHz
• 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
• Package: 100PQFP
• Family Name: H8
• Maximum Speed: 20 MHz
• Operating Supply Voltage: 5 V
• Data Bus Width: 16|32 Bit
• Number Of Programmable I/os: 70
• Interface Type: SCI
• On-chip Adc: 8-chx10-bit
• On-chip Dac: 2-chx8-bit
• Number Of Timers: 7
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

Section 9 16-Bit Timer
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 9.39, which shows an
increment pulse occurring in the T
Rev. 4.00 Jan 26, 2006 page 386 of 938
REJ09B0276-0400
3
state of a TCNT byte write cycle, writing takes priority and TCNT is not incremented. The
Figure 9.39 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