HD64F2623FA20J Renesas Electronics America, HD64F2623FA20J Datasheet - Page 165
HD64F2623FA20J
Manufacturer Part Number
HD64F2623FA20J
Description
IC H8S MCU FLASH 256K 100-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2600r
Specifications of HD64F2623FA20J
Core Processor
H8S/2600
Core Size
16-Bit
Speed
20MHz
Connectivity
CAN, SCI, SmartCard
Peripherals
POR, PWM, WDT
Number Of I /o
53
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
12K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 16x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
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Price
Company:
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Manufacturer:
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HD64F2623FA20J
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7.1
The H8S/2626 Group and H8S/2623 Group have an on-chip bus controller (BSC) that manages
the external address space divided into eight areas. The bus specifications, such as bus width and
number of access states, can be set independently for each area, enabling multiple memories to be
connected easily.
The bus controller also has a bus arbitration function, and controls the operation of the internal bus
masters: the CPU and data transfer controller (DTC).
7.1.1
The features of the bus controller are listed below.
Manages external address space in area units
Basic bus interface
Burst ROM interface
Idle cycle insertion
Write buffer functions
Bus arbitration function
Other features
Manages the external space as 8 areas of 2 Mbytes
Bus specifications can be set independently for each area
Burst ROM interface can be set
8-bit access or 16-bit access can be selected for each area
2-state access or 3-state access can be selected for each area
Program wait states can be inserted for each area
Burst ROM interface can be set for area 0
Choice of 1- or 2-state burst access
An idle cycle can be inserted in case of an external read cycle between different areas
An idle cycle can be inserted in case of an external write cycle immediately after an
external read cycle
External write cycle and internal access can be executed in parallel
Includes a bus arbiter that arbitrates bus mastership among the CPU and DTC
External bus release function
Features
Overview
Section 7 Bus Controller
Rev. 5.00 Jan 10, 2006 page 139 of 1042
Section 7 Bus Controller
REJ09B0275-0500
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