DF2134AFA20V Renesas Electronics America, DF2134AFA20V Datasheet - Page 314
DF2134AFA20V
Manufacturer Part Number
DF2134AFA20V
Description
IC H8S/2100 MCU FLASH 80QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Datasheets
1.HEWH8E10A.pdf
(19 pages)
2.D12312SVTE25V.pdf
(341 pages)
3.DF2134AFA20V.pdf
(1063 pages)
Specifications of DF2134AFA20V
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
Connectivity
IrDA, SCI
Peripherals
POR, PWM, WDT
Number Of I /o
58
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
80-QFP
For Use With
3DK2166 - DEV EVAL KIT H8S/2166
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF2134AFA20V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 314 of 1063
- Download datasheet (6Mb)
Section 10 14-Bit PWM D/A
Bits 15 to 3—PWM D/A Data 13 to 0 (DA13 to DA0): The digital value to be converted to an
analog value is set in the upper 14 bits of the PWM D/A data register.
In each base cycle, the DACNT value is continually compared with these upper 14 bits to
determine the duty cycle of the output waveform, and to decide whether to output a fine-
adjustment pulse equal in width to the resolution. To enable this operation, the data register must
be set within a range that depends on the carrier frequency select bit (CFS). If the DADR value is
outside this range, the PWM output is held constant.
A channel can be operated with 12-bit precision by keeping the two lowest data bits (DA0 and
DA1) cleared to 0 and writing the data to be converted in the upper 12 bits. The two lowest data
bits correspond to the two highest counter (DACNT) bits.
Bit 1—Carrier Frequency Select (CFS)
Bit 1
CFS
0
1
DADRA Bit 0—Reserved: This bit cannot be modified and is always read as 1.
DADRB Bit 0—Register Select (REGS): DADRA and DACR, and DADRB and DACNT, are
located at the same addresses. The REGS bit specifies which registers can be accessed. The REGS
bit can be accessed regardless of whether DADRB or DACNT is selected.
Bit 0
REGS
0
1
Rev. 4.00 Jun 06, 2006 page 258 of 1004
REJ09B0301-0400
Description
Base cycle = resolution (T)
DADR range = H'0401 to H'FFFD
Base cycle = resolution (T)
DADR range = H'0103 to H'FFFF
Description
DADRA and DADRB can be accessed
DACR and DACNT can be accessed
64
256
(Initial value)
(Initial value)
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