HD64F2145BTE20 Renesas Electronics America, HD64F2145BTE20 Datasheet - Page 295
HD64F2145BTE20
Manufacturer Part Number
HD64F2145BTE20
Description
IC H8S MCU FLASH 256K 100-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Specifications of HD64F2145BTE20
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
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
8K 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
-
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9.4
The upper four bits of PWDR specify the duty cycle of the basic pulse as 0/16 to 15/16 with a
resolution of 1/16. Table 9.4 shows the duty cycles of the basic pulse.
Table 9.4
The lower four bits of PWDR specify the position of pulses added to the 16 basic pulses. An
additional pulse adds a high period (when OS = 0) with a width equal to the resolution before the
rising edge of a basic pulse. When the upper four bits of PWDR are 0000, there is no rising edge
of the basic pulse, but the timing for adding pulses is the same. Table 9.5 shows the positions of
Upper 4 Bits
0 0 0 0
0 0 0 1
0 0 1 0
0 0 1 1
0 1 0 0
0 1 0 1
0 1 1 0
0 1 1 1
1 0 0 0
1 0 0 1
1 0 1 0
1 0 1 1
1 1 0 0
1 1 0 1
1 1 1 0
1 1 1 1
Operation
Duty Cycle of Basic Pulse
0 1 2 3 4 5 6 7 8 9 A B C D E F 0
Basic Pulse Waveform (Internal)
Rev. 3.00 Mar 21, 2006 page 239 of 788
Section 9 8-Bit PWM Timer (PWM)
REJ09B0300-0300
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