DF2148RTE20IV Renesas Electronics America, DF2148RTE20IV Datasheet - Page 346

• Manufacturer Part Number: DF2148RTE20IV
• Description: MCU 5V 128K I-TEMP,PB-FREE, 100-
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2100r

Specifications of DF2148RTE20IV

• 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: -40°C ~ 85°C
• Package / Case: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Section 10 14-Bit PWM Timer (PWMX)
Table 10.3 Read and Write Access Methods for 16-Bit Registers
Register Name
DADRA and DADRB
DACNT
Legend:
Yes: Permitted type of access. Word access includes successive byte accesses to the upper byte
Rev. 4.00 Sep 27, 2006 page 300 of 1130
REJ09B0327-0400
:
(first) and lower byte (second).
This type of access may give incorrect results.
Upper-Byte Write
Lower-Byte Write
CPU
(H'AA)
Upper byte
CPU
(H'57)
Lower byte
Figure 10.2 (a) Access to DACNT (CPU Writes H'AA57 to DACNT)
interface
interface
Bus
Bus
Word
Yes
Yes
Read
Byte
Yes
DACNTH
DACNTH
(H'AA)
(
)
(H'AA)
(H'AA)
TEMP
TEMP
Word
Yes
Yes
DACNTL
DACNTL
Module data bus
Module data bus
(
(H'57)
)
Write
Byte