DF2345TE20 Renesas Electronics America, DF2345TE20 Datasheet - Page 415

• Manufacturer Part Number: DF2345TE20
• Description: MCU 5V 128K 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2300r

Specifications of DF2345TE20

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: SCI, SmartCard
• Peripherals: POR, PWM, WDT
• Number Of I /o: 71
• 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-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Other names: HD64F2345TE20; HD64F2345TE20

10.6
Application programmers should note that the following kinds of contention can occur in the 8-bit
timer.
10.6.1
If a timer counter clock pulse is generated during the T
takes priority, so that the counter is cleared and the write is not performed.
Figure 10.10 shows this operation.
Address
Internal write signal
Counter clear signal
TCNT
Usage Notes
Contention between TCNT Write and Clear
Figure 10.10 Contention between TCNT Write and Clear
TCNT write cycle by CPU
T
1
N
TCNT address
2
state of a TCNT write cycle, the clear
Rev. 4.00 Feb 15, 2006 page 389 of 900
T
2
Section 10 8-Bit Timers
H'00
REJ09B0291-0400