DF2148ATE20 Renesas Electronics America, DF2148ATE20 Datasheet - Page 687
DF2148ATE20
Manufacturer Part Number
DF2148ATE20
Description
IC H8S MCU FLASH 128K 100-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Specifications of DF2148ATE20
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
-20°C ~ 75°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Other names
HD64F2148ATE20
HD64F2148ATE20
HD64F2148ATE20
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF2148ATE20IV
Manufacturer:
Renesas Electronics America
Quantity:
135
Company:
Part Number:
DF2148ATE20IV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Bits 6 to 2—Reserved: These bits cannot be modified and are always read as 0.
Bits 1 and 0—Mode Select 1 and 0 (MDS1, MDS0): These bits indicate values that reflects the
input levels of mode pins MD1 and MD0 (the current operating mode). Bits MDS1 and MDS0
correspond to pins MD1 and MD0, respectively. These are read-only bits, and cannot be modified.
When MDCR is read, the input levels of mode pins MD1 and MD0 are latched in these bits.
22.3
The on-chip ROM is connected to the CPU by a 16-bit data bus, and both byte and word data is
accessed in one state. Even addresses are connected to the upper 8 bits, and odd addresses to the
lower 8 bits. Word data must start at an even address.
The mode pins (MD1 and MD0) and the EXPE bit in MDCR can be set to enable or disable the
on-chip ROM, as shown in table 22.2.
In normal mode, the maximum amount of ROM that can be used is 56 kbytes.
Table 22.2 Operating Modes and ROM
MCU
Operating
Mode
Mode 1
Mode 2
Mode 3
Note:
* 128 kbytes in the H8S/2148 and H8S/2144, 96 kbytes in the H8S/2143, 64 kbytes in the
Operation
Section 22 ROM
H8S/2147, H8S/2147N, and H8S/2142.
CPU
Operating
Mode
Normal
Advanced
Advanced
Normal
Normal
Operating Mode
Description
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
(Mask ROM Version, H8S/2148 F-ZTAT, H8S/2147N F-ZTAT, H8S/2144 F-ZTAT, and H8S/2142 F-ZTAT)
MD1
0
1
Rev. 4.00 Sep 27, 2006 page 641 of 1130
Mode Pins
MD0
1
0
1
MDCR
EXPE
1
0
1
0
1
REJ09B0327-0400
On-Chip ROM
Disabled
Enabled *
Enabled
(max. 56 kbytes)
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