DF2148RTE20IV Renesas Electronics America, DF2148RTE20IV Datasheet - Page 204
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 6 Bus Controller
Table 6.3
ABW
0
1
Note:
6.3.2
The initial state of the external space is basic bus interface, three-state access space. In ROM-
enabled expanded mode, the space excluding the on-chip ROM, on-chip RAM, and internal I/O
registers is external space. The on-chip RAM is enabled when the RAME bit in the system control
register (SYSCR) is set to 1; when the RAME bit is cleared to 0, the on-chip RAM is disabled and
the corresponding space becomes external space.
6.3.3
The initial state of the external memory space is basic bus interface, three-state access space. In
ROM-disabled expanded mode, the space excluding the on-chip RAM and internal I/O registers is
external space. In ROM-enabled expanded mode, the space excluding the on-chip ROM, on-chip
RAM, and internal I/O registers is external space. The on-chip RAM is enabled when the RAME
bit in the system control register (SYSCR) is set to 1; when the RAME bit is cleared to 0, the on-
chip RAM is disabled and the corresponding space becomes external space.
Rev. 4.00 Sep 27, 2006 page 158 of 1130
REJ09B0327-0400
* Except when WMS1 = 0 and WMS0 = 1
AST
0
1
0
1
Advanced Mode
Normal Mode
Bus Specifications for Each Area (Basic Bus Interface)
WMS1 WMS0 WC1
—
0
—*
—
0
—*
—
1
—*
—
1
—*
—
—
0
1
—
—
0
1
WC0
—
—
0
1
0
1
—
—
0
1
0
1
Bus Specifications (Basic Bus Interface)
Bus Width
16
16
8
8
Access
States
2
3
3
2
3
3
Program
Wait States
0
0
0
1
2
3
0
0
0
1
2
3
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