DF38122HWV Renesas Electronics America, DF38122HWV Datasheet - Page 315
DF38122HWV
Manufacturer Part Number
DF38122HWV
Description
IC H8/38122 MCU FLASH 80QFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300L SLPr
Datasheet
1.US38024-BAG1.pdf
(684 pages)
Specifications of DF38122HWV
Core Processor
H8/300L
Core Size
8-Bit
Speed
10MHz
Connectivity
SCI
Peripherals
LCD, POR, PWM, WDT
Number Of I /o
50
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
80-QFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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b. Interval timer operation
Count Timing
TCG is incremented by internal clock input. Bits CKS1 and CKS0 in TMG select one of four
internal clock sources (φ/64, φ/32, φ/2, or φw/4) created by dividing the system clock (φ) or watch
clock (φw).
Input Capture Input Timing
a. Without noise cancellation function
Input capture
input signal
Input capture
signal F
Input capture
signal R
When the TMIG bit in PMR1 is cleared to 0, timer G functions as an interval timer.
Following a reset, TCG starts counting on the φ/64 internal clock. The input clock can be
selected from four internal clock sources by bits CKS1 and CKS0 in TMG. TCG increments
on the selected clock, and when it overflows from H'FF to H'00, the OVFL bit in TMG is set
to 1. If the OVIE bit in TMG is 1 at this time, IRRTG in IRR2 is set to 1, and if the IENTG bit
in IENR2 is 1, timer G sends an interrupt request to the CPU. For details of the interrupt, see
section 3.3, Interrupts.
For input capture input, dedicated input capture functions are provided for rising and falling
edges.
Figure 9.11 shows the timing for rising/falling edge input capture input.
Figure 9.11 Input Capture Input Timing (without Noise Cancellation Function)
Rev. 8.00 Mar. 09, 2010 Page 293 of 658
REJ09B0042-0800
Section 9 Timers
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