DF2148ATE20 Renesas Electronics America, DF2148ATE20 Datasheet - Page 749
![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 23 ROM
Note: If a memory cell does not operate normally and cannot be erased, one H'FF byte is transmitted as an erase error, and
the erase operation and subsequent operations are halted.
Figure 23.8 Boot Mode Execution Procedure
(H8S/2148 F-ZTAT A-Mask Version, H8S/2147 F-ZTAT A-Mask Version, H8S/2144 F-ZTAT A-Mask Version)
Set pins to boot mode and execute reset-start
Host transfers data (H'00) continuously at prescribed
bit rate
The chip measures low period of H'00 data transmitted
by host
The chip calculates bit rate and sets value in bit rate
register
After bit rate adjustment, transmits one H'00 data byte
to host to indicate end of adjustment
Host confirms normal reception of bit rate adjustment
end indication (H'00), and transmits one H'55 data byte
After receiving H'55, trransmit one H'AA data byte
to host
Host transmits number of user program bytes (N),
upper byte followed by lower byte
The chip transmits received number of bytes to host as
verify data (echo-back)
Host transmits programming control program
sequentially in byte units
The chip transmits received programming control
program to host as verify data (echo-back)
Transfer received programming control program
Check flash memory data, and if data has already
been written, erase all blocks
Check that all flash memory data has been erased
Check the starting ID code of the area to which the
programming control program is to be transferred
The chip transmits one H'AA data byte to the host
Execute programming control program transffered
to on-chip RAM
to on-chip RAM
End of transmission
ID code match?
n = N?
Start
n = 1
Yes
Yes
Rev. 4.00 Sep 27, 2006 page 703 of 1130
No
No
The chip transmits one H'FF
data byte as an ID code error
and stops the subsequent
operations
n + 1
n
REJ09B0327-0400
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