DF2148BTE20 Renesas Electronics America, DF2148BTE20 Datasheet - Page 676
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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Section 23 ROM
Table 23.5 Boot Mode Operation
Rev. 3.00 Mar 21, 2006 page 620 of 788
REJ09B0300-0300
Transmits data H'55 when data H'00
Transmits number of bytes (N) of
programming control program to be
transferred as 2-byte data (low-order byte
following high-order byte).
Transmits 1-byte of programming control
program (repeated for N times).
Continuously transmits data H'00
Receives data H'AA.
Receives data H'AA.
is received error-free.
at specified bit rate.
Processing Contents
Host Operation
Boot program
erase error
Communications Contents
H'00, H'00 . . . H'00
High-order byte and
low-order byte
Echoback
Echoback
H'FF
H'AA
H'AA
H'00
H'55
H'XX
Checks flash memory data, erases all flash
memory blocks in case of written data
existing, and transmits data H'AA to host.
(If erase could not be done, transmits data
H'FF to host and aborts operation.)
Branches to programming control program
transferred to on-chip RAM and starts
execution.
• Measures low-level period of receive data H'00.
• Calculates bit rate and sets it in BRR of SCI_1.
• Transmits data H'00 to host as adjustment end
Echobacks received data to host and also
transfers it to RAM (repeated for N times).
Branches to boot program at reset-start.
After receiving data H'55, transmits data
H'AA to host.
Echobacks the 2-byte data received to host.
indication.
Boot program start
Processing Contents
LSI Operation
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