HD64F2638F20J Renesas Electronics America, HD64F2638F20J Datasheet - Page 229
HD64F2638F20J
Manufacturer Part Number
HD64F2638F20J
Description
IC H8S MCU FLASH 256K 128-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2600r
Specifications of HD64F2638F20J
Core Processor
H8S/2600
Core Size
16-Bit
Speed
20MHz
Connectivity
CAN, SCI, SmartCard
Peripherals
Motor Control PWM, POR, PWM, WDT
Number Of I /o
72
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 12x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
128-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD64F2638F20J
Manufacturer:
PENESAS
Quantity:
252
- Current page: 229 of 1512
- Download datasheet (9Mb)
H8S/2639, H8S/2638, H8S/2636,
H8S/2630, H8S/2635 Group
7.5
7.5.1
In this LSI, the area 0 external space can be set as burst ROM space and burst ROM interfacing
performed. Burst ROM space interfacing allows 16-bit ROM capable of burst access to be
accessed at high-speed.
The BRSTRM bit of BCRH sets area 0 as burst ROM space. CPU instruction fetches (only) can be
performed using a maximum of 4-word or 8-word continuous burst access. 1 state or 2 states can
be selected in the case of burst access.
7.5.2
The AST0 bit of ASTCR sets the number of access states in the initial cycle (full access) of the
burst ROM interface. Wait states can be inserted when the AST0 bit is set to 1. The burst cycle
can be set for 1 state or 2 sttes by setting the BRSTS1 bit of BCRH. Wait states cannot be inserted.
When area 0 is set as burst ROM space, area 0 is a 16-bit access space regardless of the ABW0 bit
of ABWCR.
When the BRSTS0 bit of BCRH is cleared to 0, 4-word max. burst access is performed. When the
BRSTS0 bit is set to 1, 8-word max. burst access is performed.
Figures 7-14 (a) and (b) show the basic access timing for the burst ROM space.
Figure 7-14 (a) is an example when both the AST0 and BRSTS1 bits are set to 1.
Figure 7-14 (b) is an example when both the AST0 and BRSTS1 bits are set to 0.
REJ09B0103-0800 Rev. 8.00
May 28, 2010
Burst ROM Interface
Overview
Basic Timing
Section 7 Bus Controller
Page 179 of 1458
Related parts for HD64F2638F20J
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
KIT STARTER FOR M16C/29
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8C/2D
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
R0K33062P STARTER KIT
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8C/23 E8A
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8C/25
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER H8S2456 SHARPE DSPLY
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8C38C
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8C35C
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8CL3AC+LCD APPS
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR RX610
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R32C/118
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT DEV RSK-R8C/26-29
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR SH7124
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR H8SX/1622
Manufacturer:
Renesas Electronics America
Datasheet: