DF2148ATE20 Renesas Electronics America, DF2148ATE20 Datasheet - Page 338

• Manufacturer Part Number: DF2148ATE20
• Description: IC H8S MCU FLASH 128K 100-QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2100r

Specifications of DF2148ATE20

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: Host Interface, I²C, IrDA, SCI
• Peripherals: POR, 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 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: HD64F2148ATE20; HD64F2148ATE20

Section 10 14-Bit PWM Timer (PWMX)
10.1.2
Figure 10.1 shows a block diagram of the PWM (D/A) module.
Rev. 4.00 Sep 27, 2006 page 292 of 1130
REJ09B0327-0400
PWX0
PWX1
Legend:
DACR:
DADRA: PWM D/A data register A (15 bits)
DADRB: PWM D/A data register B (15 bits)
DACNT: PWM D/A counter (14 bits)
Block Diagram
PWM D/A control register ( 6 bits)
Clock selection
Control logic
Internal clock
Figure 10.1 PWM D/A Block Diagram
/2
Basic cycle overflow
Basic cycle
compare-match A
Fine-adjustment
pulse addition A
Basic cycle
compare-match B
Fine-adjustment
pulse addition B
Clock
Comparator
Comparator
DACNT
DACR
A
B
DADRA
DADRB
Internal data bus
Module data bus
Bus interface