DF2148RTE20IV Renesas Electronics America, DF2148RTE20IV Datasheet - Page 793
![MCU 5V 128K I-TEMP,PB-FREE, 100-](/photos/28/61/286108/100-tqfp_sml.jpg)
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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25.1.1
The power-down state is controlled by the SBYCR, LPWRCR, TCSR (WDT1), and MSTPCR
registers. Table 25.3 summarizes these registers.
Table 25.3 Power-Down State Registers
Notes: 1. Lower 16 bits of the address.
25.2
25.2.1
SBYCR is an 8-bit readable/writable register that performs power-down mode control.
SBYCR is initialized to H'00 by a reset and in hardware standby mode. It is not initialized in
software standby mode.
Name
Standby control register
Low-power control register
Timer control/status register
(WDT1)
Module stop control register
Bit
Initial value
Read/Write
2. Some power down state registers are assigned to the same address as other registers.
Register Configuration
Register Descriptions
Standby Control Register (SBYCR)
In this case, register selection is performed by the FLSHE bit in the serial timer control
register (STCR).
SSBY
R/W
7
0
STS2
R/W
6
0
Abbreviation
SBYCR
LPWRCR
TCSR
MSTPCRH
MSTPCRL
STS1
R/W
5
0
STS0
R/W
4
0
R/W
R/W
R/W
R/W
R/W
R/W
Rev. 4.00 Sep 27, 2006 page 747 of 1130
—
—
3
0
H'00
Initial Value
H'00
H'00
H'3F
H'FF
Section 25 Power-Down State
SCK2
R/W
2
0
SCK1
R/W
REJ09B0327-0400
1
0
Address *
H'FF84 *
H'FF85 *
H'FFEA
H'FF86 *
H'FF87 *
SCK0
R/W
0
0
2
2
2
2
1
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