D13008VXI25V Renesas Electronics America, D13008VXI25V Datasheet - Page 147
D13008VXI25V
Manufacturer Part Number
D13008VXI25V
Description
MCU 3V 0K I-TEMP PB-FREE 100-TQF
Manufacturer
Renesas Electronics America
Series
H8® H8/300Hr
Specifications of D13008VXI25V
Core Processor
H8/300H
Core Size
16-Bit
Speed
25MHz
Connectivity
SCI, SmartCard
Peripherals
PWM, WDT
Number Of I /o
35
Program Memory Type
ROMless
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 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
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
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6.1
The H8/3008 has 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 that controls the operation of the internal bus
masters⎯the CPU can release the bus to an external device.
6.1.1
The features of the bus controller are listed below.
• Manages external address space in area units
• Basic bus interface
• Idle cycle insertion
• Bus arbitration function
• Other features
⎯ Manages the external space as eight areas (0 to 7) of 128 kbytes in 1M-byte modes, or 2
⎯ Bus specifications can be set independently for each area
⎯ Chip select (CS
⎯ 8-bit access or 16-bit access can be selected for each area
⎯ Two-state access or three-state access can be selected for each area
⎯ Program wait states can be inserted for each area
⎯ Pin wait insertion capability is provided
⎯ An idle cycle can be inserted in case of an external read cycle between different areas
⎯ An idle cycle can be inserted when an external read cycle is immediately followed by an
⎯ A built-in bus arbiter grants the bus right to the CPU, or an external bus master
⎯ Choice of two address update modes
Mbytes in 16-Mbyte modes
external write cycle
Overview
Features
0
to CS
Section 6 Bus Controller
7
) can be output for areas 0 to 7
Rev.4.00 Aug. 20, 2007 Page 101 of 638
REJ09B0395-0400
6. Bus Controller
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