DF2148RTE20IV Renesas Electronics America, DF2148RTE20IV Datasheet - Page 330
![MCU 5V 128K I-TEMP,PB-FREE, 100-](/photos/28/61/286108/100-tqfp_sml.jpg)
DF2148RTE20IV
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
-
- Current page: 330 of 1179
- Download datasheet (7Mb)
Section 9 8-Bit PWM Timers
9.2.2
Each PWDR is an 8-bit readable/writable register that specifies the duty cycle of the basic pulse to
be output, and the number of additional pulses. The value set in PWDR corresponds to a 0 or 1
ratio in the conversion period. The upper 4 bits specify the duty cycle of the basic pulse as 0/16 to
15/16 with a resolution of 1/16. The lower 4 bits specify how many extra pulses are to be added
within the conversion period comprising 16 basic pulses. Thus, a specification of 0/256 to 255/256
is possible for 0/1 ratios within the conversion period. For 256/256 (100%) output, port output
should be used.
PWDR is initialized to H'00 by a reset, and in the standby modes, watch mode, subactive mode,
subsleep mode, and module stop mode.
9.2.3
Each PWDPR is an 8-bit readable/writable register that controls the polarity of the PWM output.
Bits OS0 to OS15 correspond to outputs PW0 to PW15.
Rev. 4.00 Sep 27, 2006 page 284 of 1130
REJ09B0327-0400
Bit
Initial value
Read/Write
PWDPRA
Bit
Initial value
Read/Write
PWDPRB
Bit
Initial value
Read/Write
PWM Data Registers (PWDR0 to PWDR15)
PWM Data Polarity Registers A and B (PWDPRA and PWDPRB)
OS15
R/W
OS7
R/W
R/W
7
0
7
0
7
0
OS14
OS6
R/W
R/W
R/W
6
0
6
0
6
0
OS13
R/W
OS5
R/W
R/W
5
0
5
0
5
0
OS12
OS4
R/W
R/W
R/W
4
0
4
0
4
0
OS11
R/W
OS3
R/W
R/W
3
0
3
0
3
0
OS10
R/W
OS2
R/W
R/W
2
0
2
0
2
0
OS1
OS9
R/W
R/W
R/W
1
0
1
0
1
0
OS0
OS8
R/W
R/W
R/W
0
0
0
0
0
0
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