DF2148BTE20 Renesas Electronics America, DF2148BTE20 Datasheet - Page 402
DF2148BTE20
Manufacturer Part Number
DF2148BTE20
Description
IC H8S MCU FLASH 128K 100-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Specifications of DF2148BTE20
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
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
4K 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
-
Other names
HD64F2148BTE20
HD64F2148BTE20
HD64F2148BTE20
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF2148BTE20V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 402 of 847
- Download datasheet (5Mb)
Section 14 Watchdog Timer (WDT)
Rev. 3.00 Mar 21, 2006 page 346 of 788
REJ09B0300-0300
(Interrupt request signal *
(Interrupt request signal *
(Interrupt request signal)
RESO signall *
Internal reset signal *
RESO signal *
Internal reset signal *
(Interrupt request signal)
Legend:
TCSR_0 : Timer control/status register_0
TCNT_0 : Timer counter_0
TCSR_1 : Timer control/status register_1
TCNT_1 : Timer counter_1
Notes: 1. The RESO signal outputs the low level signal when the internal reset signal is
Internal NMI
Internal NMI
WOVI1
WOVI0
2. The internal NMI interrupt signal can be independently output from either WDT_0 or WDT_1.
generated due to a TCNT overflow of either WDT_0 or WDT_1. The internal reset signal
first resets the WDT in which the overflow has occurred first.
The interrupt controller does not distinguish the NMI interrupt request from WDT_0 from
that from WDT_1.
1
1
1
1
2
2
)
)
Interrupt
Interrupt
Figure 14.1 Block Diagram of WDT
control
control
control
control
Reset
Reset
Overflow
Overflow
Module bus
Module bus
TCNT_1
TCNT_0
Clock
Clock
WDT_0
WDT_1
selection
selection
TCSR_1
Clock
TCSR_0
Clock
Internal clock
Internal clock
interface
interface
/2
/64
/128
/512
/2048
/8192
/32768
/131072
Bus
Bus
/2
/64
/128
/512
/2048
/8192
/32768
/131072
SUB/2
SUB/4
SUB/8
SUB/16
SUB/32
SUB/64
SUB/128
SUB/256
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