DF2148BTE20 Renesas Electronics America, DF2148BTE20 Datasheet - Page 409

• Manufacturer Part Number: DF2148BTE20
• Description: IC H8S MCU FLASH 128K 100-QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2100r

Specifications of DF2148BTE20

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: I²C, IrDA, SCI, X-Bus
• Peripherals: PWM, WDT
• Number Of I /o: 74
• 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: HD64F2148BTE20; HD64F2148BTE20

Internal reset signal
Legend:
WT/IT
TME
OVF
Note: * After the OVF bit becomes 1, it is cleared to 0 by an internal reset.
: Timer mode select bit
: Timer enable bit
: Overflow flag
RESO signal
Figure 14.2 Watchdog Timer Mode (RST/NMI
The XRST bit is also cleared to 0.
H'FF
H'00
TCNT value
WT/IT = 1
TME = 1
Write H'00 to
TCNT
RESO and internal
reset signals generated
132 system clocks
518 system clocks
Overflow
OVF = 1 *
Rev. 3.00 Mar 21, 2006 page 353 of 788
NMI = 1) Operation
NMI
NMI
Section 14 Watchdog Timer (WDT)
WT/IT = 1
TME = 1
Write H'00 to
TCNT
REJ09B0300-0300
Time