DF2148RTE20IV Renesas Electronics America, DF2148RTE20IV Datasheet - Page 779
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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24.2.2
LPWRCR is an 8-bit readable/writable register that performs power-down mode control.
Only bit 4 is described here. For a description of the other bits, see section 25.2.2, Low-Power
Control Register (LPWRCR).
LPWRCR is initialized to H'00 by a reset and in hardware standby mode. It is not initialized in
software standby mode.
Bit 4—Subclock Input Enable (EXCLE): Controls subclock input from the EXCL pin.
Bit 2
SCK2
0
1
Bit 4
EXCLE
0
1
Bit
Initial value
Read/Write
Low-Power Control Register (LPWRCR)
Bit 1
SCK1
0
1
0
1
Description
Subclock input from EXCL pin is disabled
Subclock input from EXCL pin is enabled
DTON
R/W
Bit 0
SCK0
0
1
0
1
0
1
—
7
0
LSON
R/W
6
0
Bus master is in high-speed mode
Medium-speed clock is /2
Medium-speed clock is /4
Medium-speed clock is /8
Medium-speed clock is /16
Medium-speed clock is /32
—
Description
NESEL
R/W
5
0
EXCLE
R/W
4
0
Rev. 4.00 Sep 27, 2006 page 733 of 1130
—
—
3
0
Section 24 Clock Pulse Generator
—
—
2
0
REJ09B0327-0400
—
—
1
0
(Initial value)
(Initial value)
—
—
0
0
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