DF2345TE20 Renesas Electronics America, DF2345TE20 Datasheet - Page 627
DF2345TE20
Manufacturer Part Number
DF2345TE20
Description
MCU 5V 128K 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2300r
Datasheet
1.DF2345TE20V.pdf
(929 pages)
Specifications of DF2345TE20
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
Connectivity
SCI, SmartCard
Peripherals
POR, PWM, WDT
Number Of I /o
71
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
HD64F2345TE20
HD64F2345TE20
HD64F2345TE20
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF2345TE20V
Manufacturer:
Renesas
Quantity:
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Part Number:
DF2345TE20V
Manufacturer:
Renesas Electronics America
Quantity:
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Notes on Use of Auto-Program Mode
Address
In auto-program mode, 128 bytes are programmed simultaneously. This should be carried out
by executing 128 consecutive byte transfers.
A 128-byte data transfer is necessary even when programming fewer than 128 bytes. In this
case, H'FF data must be written to the extra addresses.
The lower 8 bits of the transfer address must be H'00 or H'80. If a value other than an effective
address is input, processing will switch to a memory write operation but a write error will be
flagged.
Memory address transfer is performed in the second cycle (figure 17.31). Do not perform
memory address transfer after the second cycle.
Do not perform a command write during a programming operation.
Perform one auto-programming operation for a 128-byte block for each address.
Characteristics are not guaranteed for two or more programming operations.
Confirm normal end of auto-programming by checking FO
can also be used for this purpose (FO
identification pin).
The status polling FO
the next command write is performed, reading is possible by enabling CE and OE.
FWE
Data
FO
FO
WE
OE
CE
7
6
t
pns
t
ces
t
f
t
wep
t
H'40
ds
Figure 17.31 Auto-Program Mode Timing Waveforms
t
t
ceh
dh
t
r
6
and FO
t
nxtc
7
t
pin information is retained until the next command write. Until
as
Address
stable
7
Data
status polling uses the auto-program operation end
t
ah
1 byte to 128 bytes
Data transfer
Rev. 4.00 Feb 15, 2006 page 601 of 900
6
Data
. Alternatively, status read mode
t
write
Programming wait
Programming operation
end identification signal
Programming normal
end identification signal
t
wsts
(1 to 3000 ms)
t
spa
REJ09B0291-0400
FO
Section 17 ROM
0
to FO
t
pnh
5
= 0
t
nxtc
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