DF2148RTE20IV Renesas Electronics America, DF2148RTE20IV Datasheet - Page 794
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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Section 25 Power-Down State
Bit 7—Software Standby (SSBY): Determines the operating mode, in combination with other
control bits, when a power-down mode transition is made by executing a SLEEP instruction. The
SSBY setting is not changed by a mode transition due to an interrupt, etc.
Bit 7
SSBY
0
1
Bits 6 to 4—Standby Timer Select 2 to 0 (STS2 to STS0): These bits select the time the MCU
waits for the clock to stabilize when software standby mode, watch mode, or subactive mode is
cleared and a transition is made to high-speed mode or medium-speed mode by means of a
specific interrupt or instruction. With crystal oscillation, refer to table 25.4 and make a selection
according to the operating frequency so that the standby time is at least 8 ms (the oscillation
settling time). With an external clock, any selection can be made.
Bit 6
STS2
0
1
Note:
Bit 3—Reserved: This bit cannot be modified and is always read as 0.
Rev. 4.00 Sep 27, 2006 page 748 of 1130
REJ09B0327-0400
* This setting must not be used in the flash memory version.
Bit 5
STS1
0
1
0
1
Description
Transition to sleep mode after execution of SLEEP instruction in high-speed mode or
medium-speed mode
Transition to subsleep mode after execution of SLEEP instruction in subactive mode
Transition to software standby mode, subactive mode, or watch mode after execution
of SLEEP instruction in high-speed mode or medium-speed mode
Transition to watch mode or high-speed mode after execution of SLEEP instruction in
subactive mode
Bit 4
STS0
0
1
0
1
0
1
0
1
Description
Standby time = 8192 states
Standby time = 16384 states
Standby time = 32768 states
Standby time = 65536 states
Standby time = 131072 states
Standby time = 262144 states
Reserved
Standby time = 16 states *
(Initial value)
(Initial value)
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