DF2148ATE20 Renesas Electronics America, DF2148ATE20 Datasheet - Page 690
![IC H8S MCU FLASH 128K 100-QFP](/photos/28/61/286108/100-tqfp_sml.jpg)
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
Company
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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Section 22 ROM
22.4.3
Mode Transitions
When the mode pins are set in the reset state and a reset-start is executed, the MCU enters one of
the operating modes shown in figure 22.3. In user mode, flash memory can be read but not
programmed or erased.
Flash memory can be programmed and erased in boot mode, user program mode, and programmer
mode.
Rev. 4.00 Sep 27, 2006 page 644 of 1130
REJ09B0327-0400
SWE = 1
Notes: Only make a transition between user mode and user program mode when the CPU is
User mode with
on-chip ROM
Flash Memory Operating Modes
enabled
not accessing the flash memory.
1. MD0 = MD1 = 0, P92 = 0, P91 = P90 = 1
2. MD0 = MD1 = 0, P92 = P91 = P90 = 1
(Mask ROM Version, H8S/2148 F-ZTAT, H8S/2147N F-ZTAT, H8S/2144 F-ZTAT, and H8S/2142 F-ZTAT)
On-board programming mode
program mode
SWE = 0
User
Figure 22.3 Flash Memory Mode Transitions
MD1 = 1
RES = 0
RES = 0
Reset state
Boot mode
*
2
RES = 0
*
1
RES = 0
Programmer
mode
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