HD64F2134FA20 Renesas Electronics America, HD64F2134FA20 Datasheet - Page 127
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HD64F2134FA20
Manufacturer Part Number
HD64F2134FA20
Description
IC H8S MCU FLASH 128K 80QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Specifications of HD64F2134FA20
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
Connectivity
IrDA, SCI
Peripherals
POR, PWM, WDT
Number Of I /o
58
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
80-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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Part Number:
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Manufacturer:
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3.1
3.1.1
The H8S/2138 Group and H8S/2134 Group have three operating modes (modes 1 to 3). These
modes enable selection of the CPU operating mode and enabling/disabling of on-chip ROM, by
setting the mode pins (MD1 and MD0).
Table 3.1 lists the MCU operating modes.
Table 3.1
The CPU’s architecture allows for 4 Gbytes of address space, but the H8S/2138 Group and
H8S/2134 Group actually access a maximum of 16 Mbytes. However, as there are 16 external
address output pins, advanced mode is enabled only in single-chip mode or in expanded mode
with on-chip ROM enabled when a specific area in the external address space is accessed using
IOS. The external data bus width is 8 bits.
Mode 1 is an externally expanded mode that allows access to external memory and peripheral
devices. With modes 2 and 3, operation begins in single-chip mode after reset release, but a
transition can be made to external expansion mode by setting the EXPE bit in MDCR.
The H8S/2138 Group and H8S/2134 Group can only be used in modes 1 to 3. These means that
the mode pins must select one of these modes. Do not changes the inputs at the mode pins during
operation.
MCU
Operating
Mode
0
1
2
3
Operating Mode Selection
Overview
MD1
0
1
MCU Operating Mode Selection
MD0
0
1
0
1
Section 3 MCU Operating Modes
CPU
Operating
Mode
—
Normal
Advanced
Normal
Description
—
Expanded mode with on-chip ROM disabled
Expanded mode with on-chip ROM enabled
Single-chip mode
Expanded mode with on-chip ROM enabled
Single-chip mode
Rev. 4.00 Jun 06, 2006 page 71 of 1004
Section 3 MCU Operating Modes
REJ09B0301-0400
On-Chip
ROM
—
Disabled
Enabled
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