HD6473228F10V Renesas Electronics America, HD6473228F10V Datasheet - Page 25
![MCU 5V 32K,PB-FREE 64-QFP](/photos/28/61/286103/64-bqfp__prqp0064gb-a_sml.jpg)
HD6473228F10V
Manufacturer Part Number
HD6473228F10V
Description
MCU 5V 32K,PB-FREE 64-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8/325r
Datasheet
1.HD6413238F10.pdf
(301 pages)
Specifications of HD6473228F10V
Core Processor
H8/300
Core Size
8-Bit
Speed
10MHz
Connectivity
SCI, UART/USART
Number Of I /o
53
Program Memory Size
8KB (8K x 8)
Program Memory Type
OTP
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
64-QFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Peripherals
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD6473228F10V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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2.1 Overview
The H8/325 Series operates in three modes numbered 1, 2, and 3. An additional non-operating
mode (mode 0) is used for programming the PROM version of the H8/325. The mode is selected by
the inputs at the mode pins (MD
indicated in table 2-1, the mode determines the size of the address space and the usage of on-chip
ROM and on-chip RAM. The ROMless versions (HD6413258, HD6413238) are used only in
mode 1 (expanded mode with on-chip ROM disabled).
Table 2-1. Operating Modes
MD
Low Low Mode 0
Low High Mode 1
High Low Mode 2
High High Mode 3
* If the RAME bit in the system control register (SYSCR) is cleared to 0, off-chip memory can be
Modes 1 and 2 are expanded modes that permit access to off-chip memory and peripheral devices.
The maximum address space supported by these externally expanded modes is 64 kbytes.
In mode 3 (single-chip mode), only on-chip ROM and RAM and the on-chip register field are used.
All ports are available for general-purpose input and output.
Mode 0 is inoperative in the H8/325 Series. Avoid setting the mode pins to mode 0.
accessed instead.
1
Section 2. MCU Operating Modes and Address Space
MD
0
Mode
Address space
—
Expanded
Expanded
Single-chip
1
and MD
0
) at the instant when the chip comes out of a reset. As
On-chip ROM
—
Disabled
Enabled
Enabled
15
On-chip RAM
—
Enabled*
Enabled*
Enabled
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