DF2148BTE20 Renesas Electronics America, DF2148BTE20 Datasheet - Page 673
![IC H8S MCU FLASH 128K 100-QFP](/photos/28/61/286108/100-tqfp_sml.jpg)
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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23.6
The flash memory is connected to the CPU via a 16-bit data bus, enabling byte data and word data
to be accessed in a single state. Even addresses are connected to the upper 8 bits and odd addresses
are connected to the lower 8 bits. Note that word data must start from an even address.
On-chip ROM is enabled or disabled by the mode select pins (MD1 and MD0) and the EXPE bit
in MDCR, as summarized in table 23.3.
In normal mode (mode 3), up to 56 kbytes of ROM can be used.
Table 23.3 Operating Modes and ROM
23.7
An on-board programming mode is used to perform on-chip flash memory programming, erasing,
and verification. This LSI has two on-board programming modes: boot mode and user program
mode. Table 23.4 shows pin settings for boot mode. In user program mode, operation by software
is enabled by setting control bits. For details on flash memory mode transitions, see figure 23.2.
MCU
Operating
Mode
Mode 1
Mode 2
Mode 3
Operating Modes
On-Board Programming Modes
CPU
Operating
Mode
Normal
Advanced
Advanced
Normal
Normal
Operating Modes
Mode
Expanded mode with
on-chip ROM disabled
Single-chip mode
Expanded mode with
on-chip ROM enabled
Single-chip mode
Expanded mode with
on-chip ROM enabled
Rev. 3.00 Mar 21, 2006 page 617 of 788
MD1
0
1
1
1
1
Mode Pins
MD0
1
0
0
1
1
MDCR
EXPE
1
0
1
0
1
REJ09B0300-0300
Section 23 ROM
On-Chip
ROM
Disabled
Enabled
(64/128/25
6 kbytes)
Enabled
(56 kbytes)
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