DF2148RTE20IV Renesas Electronics America, DF2148RTE20IV Datasheet - Page 411
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
-
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12.3.4
OVF in TCSR is set to 1 when the timer count overflows (changes from H'FF to H'00). Figure
12.8 shows the timing of this operation.
12.3.5
If bits CKS2 to CKS0 in either TCR0 or TCR1 are set to B'100, the 8-bit timers of the two
channels are cascaded. With this configuration, a single 16-bit timer can be used (16-bit timer
mode) or compare-matches of 8-bit channel 0 can be counted by the timer of channel 1 (compare-
match count mode). In this case, the timer operates as described below.
External reset
input pin
Clear signal
TCNT
Timing of Overflow Flag (OVF) Setting
Operation with Cascaded Connection
TCNT
Overflow signal
OVF
Figure 12.7 Timing of Clearing by External Reset Input
Figure 12.8 Timing of OVF Setting
N – 1
H'FF
Rev. 4.00 Sep 27, 2006 page 365 of 1130
N
H'00
Section 12 8-Bit Timers
H'00
REJ09B0327-0400
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