DF2148ATE20 Renesas Electronics America, DF2148ATE20 Datasheet - Page 807
![IC H8S MCU FLASH 128K 100-QFP](/photos/28/61/286108/100-tqfp_sml.jpg)
DF2148ATE20
Manufacturer Part Number
DF2148ATE20
Description
IC H8S MCU FLASH 128K 100-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Specifications of DF2148ATE20
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
-20°C ~ 75°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Other names
HD64F2148ATE20
HD64F2148ATE20
HD64F2148ATE20
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF2148ATE20IV
Manufacturer:
Renesas Electronics America
Quantity:
135
Company:
Part Number:
DF2148ATE20IV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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25.8
25.8.1
If a SLEEP instruction is executed in high-speed mode or subactive mode when the SSBY in
SBYCR is set to 1, the DTON bit in LPWRCR is cleared to 0, and the PSS bit in TCSR (WDT1)
is set to 1, the CPU makes a transition to watch mode.
In this mode, the CPU and all on-chip supporting modules except WDT1 stop. As long as the
prescribed voltage is supplied, the contents of some of the CPU’s internal registers and on-chip
RAM are retained, and I/O ports retain their states prior to the transition.
25.8.2
Watch mode is cleared by an interrupt (WOVI1 interrupt, NMI pin, or pin IRQ0, IRQ1, IRQ2,
IRQ6, or IRQ7), or by means of the RES pin or STBY pin.
Clearing with an Interrupt: When an interrupt request signal is input, watch mode is cleared and
a transition is made to high-speed mode or medium-speed mode if the LSON bit in LPWRCR is
cleared to 0, or to subactive mode if the LSON bit is set to 1. When making a transition to high-
speed mode, after the elapse of the time set in bits STS2 to STS0 in SBYCR, stable clocks are
supplied to the entire chip, and interrupt exception handling is started.
Watch mode cannot be cleared with an IRQ0, IRQ1, IRQ2, IRQ6, or IRQ7 interrupt if the
corresponding enable bit has been cleared to 0, or with an on-chip supporting module interrupt if
acceptance of the relevant interrupt has been disabled by the interrupt enable register or masked by
the CPU.
See section 25.6.3, Setting Oscillation Settling Time after Clearing Software Standby Mode, for
the oscillation settling time setting when making a transition from watch mode to high-speed
mode.
Clearing with the RES
Software Standby Mode.
Clearing with the STBY
standby mode.
Watch Mode
Clearing Watch Mode
Watch Mode
RES
RES
RES Pin: See “Clearing with the RES Pin” in section 25.6.2, Clearing
STBY
STBY
STBY Pin: When the STBY pin is driven low, a transition is made to hardware
Rev. 4.00 Sep 27, 2006 page 761 of 1130
Section 25 Power-Down State
REJ09B0327-0400
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