DF2148RTE20IV Renesas Electronics America, DF2148RTE20IV Datasheet - Page 132
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
-
- Current page: 132 of 1179
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Section 3 MCU Operating Modes
Bit 6—IOS Enable (IOSE): Controls the function of the AS/IOS pin in expanded mode.
Bit 6
IOSE
0
1
Note:
Bit 3—External Reset (XRST): Indicates the reset source. When the watchdog timer is used, a
reset can be generated by watchdog timer overflow as well as by external reset input. XRST is a
read-only bit. It is set to 1 by an external reset and cleared to 0 by watchdog timer overflow.
Bit 3
XRST
0
1
Bit 1—Host Interface Enable (HIE): This bit controls CPU access to the host interface data
registers and control registers (HICR, IDR1, ODR1, STR1, IDR2, ODR2, and STR2), the
keyboard controller and MOS input pull-up control registers (KMIMR, KMPCR, and KMIMRA),
the 8-bit timer (channel X and Y) data registers and control registers (TCRX/TCRY,
TCSRX/TCSRY, TICRR/TCORAY, TICRF/TCORBY, TCNTX/TCNTY, TCORC/TISR,
TCORAX, and TCORBX), and the timer connection control registers (TCONRI, TCONRO,
TCONRS, and SEDGR).
Bit 1
HIE
0
1
Rev. 4.00 Sep 27, 2006 page 86 of 1130
REJ09B0327-0400
* In the H8S/2148 F-ZTAT A-mask version and H8S/2147 F-ZTAT A-mask version, the
address range is from H'(FF)F000 to H'(FF)F7FF.
Description
The AS/IOS pin functions as the address strobe pin (AS)
(Low output when accessing an external area)
The AS/IOS pin functions as the I/O strobe pin (IOS)
(Low output when accessing a specified address from H'(FF)F000 to H'(FF)FE4F) *
Description
A reset is generated by watchdog timer overflow
A reset is generated by an external reset
Description
In areas H'(FF)FFF0 to H'(FF)FFF7 and H'(FF)FFFC to H'(FF)FFFF,
CPU access to 8-bit timer (channel X and Y) data registers and control
registers, and timer connection control registers, is permitted
In areas H'(FF)FFF0 to H'(FF)FFF7 and H'(FF)FFFC to H'(FF)FFFF,
CPU access to host interface data registers and control registers, and
keyboard controller and MOS input pull-up control registers, is permitted
(Initial value)
(Initial value)
(Initial value)
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