DF2505BR26DV Renesas Electronics America, DF2505BR26DV Datasheet - Page 609
DF2505BR26DV
Manufacturer Part Number
DF2505BR26DV
Description
IC H8S/2505 MCU FLASH 176-LFBGA
Manufacturer
Renesas Electronics America
Series
H8® H8S/2500r
Specifications of DF2505BR26DV
Core Processor
H8S/2000
Core Size
16-Bit
Speed
26MHz
Connectivity
I²C, SCI
Peripherals
POR, PWM, WDT
Number Of I /o
104
Program Memory Size
384KB (384K x 8)
Program Memory Type
FLASH
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 16x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
176-LFBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF2505BR26DV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 609 of 980
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17.3.3
IEMCR sets communications conditions for master communications (selection of broadcast or
normal communications, retransmission counts at arbitration loss, and control bits value). It is not
necessary to set this register for slave communications.
Bit
7
6
5
4
Bit Name
SS
RN2
RN1
RN0
3. This command is valid during slave communications (SRQ = 1). In other states, this
IEBus Master Control Register (IEMCR)
command issuance is ignored. Once this command was issued in slave transmission,
the SRQ flag is 0 before slave transmission. Therefore, a transmit request from the
master is not responded. If a transmit request is issued during slave transmission, the
transmission stops and the wait state is entered (SRQ = 0).
Initial
Value
1
0
0
0
R/W
R/W
R/W
R/W
R/W
Description
Broadcast/Normal Communications Select
Selects broadcast or normal communications for master
communications.
0: Broadcast communications
1: Normal communications
Retransmission Counts
Set the number of times retransmission is performed when
arbitration is lost in master communications. If arbitration is
lost for a specified number of times, the AL flag in IETEF
and the TxE bit in IETSR is set and transmission ends with
a transmit error. If arbitration is won during retransmission,
the retransmission count is automatically restored to the
initial setting after master address transfer.
000: 0
001: 1
010: 2
011: 3
100: 4
101: 5
110: 6
111: 7
Section 17 IEBus™ Controller (IEB) [H8S/2552 Group]
Rev. 6.00 Sep. 24, 2009 Page 561 of 928
REJ09B0099-0600
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