DF2148BTE20 Renesas Electronics America, DF2148BTE20 Datasheet - Page 119
DF2148BTE20
Manufacturer Part Number
DF2148BTE20
Description
IC H8S MCU FLASH 128K 100-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Specifications of DF2148BTE20
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
Connectivity
I²C, IrDA, SCI, X-Bus
Peripherals
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)
4.5 V ~ 5.5 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Other names
HD64F2148BTE20
HD64F2148BTE20
HD64F2148BTE20
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF2148BTE20V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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3.1
This LSI has three operating modes (modes 1 to 3). The operating mode is determined by the
setting of the mode pins (MD1 and MD0). Table 3.1 shows the MCU operating mode selection.
Table 3.1 lists the MCU operating modes.
Table 3.1
Mode 1 is an expanded mode that allows access to external memory and peripheral devices. With
modes 2 and 3, operation begins in single-chip mode after reset release, but a transition can be
made to external expansion mode by setting the EXPE bit in MDCR to 1.
Mode 0 cannot be used in this LSI. Thus, mode pins should be set to enable mode 1, 2 or 3 in
normal program execution state. Mode pins should not be changed during operation.
3.2
The following registers are related to the operating mode. For details on the bus control register
(BCR), refer to section 6.3.1, Bus Control Register (BCR).
MCU
Operating
Mode
0
1
2
3
Mode control register (MDCR)
System control register (SYSCR)
Serial timer control register (STCR)
MCU Operating Mode Selection
Register Descriptions
MD1
0
1
MCU Operating Mode Selection
MD0
0
1
0
1
Section 3 MCU Operating Modes
CPU
Operating
Mode
—
Normal
Advanced
Normal
Description
—
Expanded mode with on-chip ROM disabled
Expanded mode with on-chip ROM enabled
Single-chip mode
Expanded mode with on-chip ROM enabled
Single-chip mode
Rev. 3.00 Mar 21, 2006 page 63 of 788
Section 3 MCU Operating Modes
REJ09B0300-0300
On-Chip
ROM
—
Disabled
Enabled
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