HD64F2239TF20I Renesas Electronics America, HD64F2239TF20I Datasheet - Page 547
HD64F2239TF20I
Manufacturer Part Number
HD64F2239TF20I
Description
MCU 3V 384K I-TEMP 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2200r
Datasheet
1.DF2238RFA6V.pdf
(1048 pages)
Specifications of HD64F2239TF20I
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
Connectivity
I²C, SCI, SmartCard
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
72
Program Memory Size
384KB (384K x 8)
Program Memory Type
FLASH
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
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Part Number:
HD64F2239TF20I
Manufacturer:
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(3) Communications Address
In the IEBus, a 12-bit specific communications addresses are allocated to individual units. A
communications address is configured as follows.
• Upper four bits: group number (number identifying a group to which the unit belongs)
• Lower eight bits: unit number (number identifying individual units in a group)
(4) Broadcast Communications
In normal transfer, a single master unit communicates with a single slave unit. So, one-to-one
transfer or reception is performed. In broadcast communications, a single master unit
communicates with multiple slave units. Since there are multiple slave units, acknowledgement is
not returned from the slave units during communications.
A broadcast bit decides whether broadcast or normal communications is performed. (For details of
the broadcast bit, see section 14.1.2 (1) (b), Broadcast Bit.
There are two types of broadcast communications.
(a) Group broadcast communications
(b) General broadcast communications
14.1.2
Figure 14.2 shows an IEBus transfer signal format.
Communications data is transferred as a series of signals referred to as a communications frame.
The number of data which can be transmitted in a single communications frame and the transfer
speed differ according to communications mode.
Broadcast communications is performed to units with the same group number, meaning that
those units have the same upper four bits of the communications address.
Broadcast communications is performed to all units regardless of the group number.
Group broadcast and general broadcast communications are identified by a slave address. (For
details on the slave address, see section 14.1.2 (3), Slave Address Field.)
Communications Protocol
Section 14 IEBus™ Controller (IEB) [H8S/2258 Group]
Rev. 6.00 Mar. 18, 2010 Page 485 of 982
REJ09B0054-0600
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