DF3048BVX25V Renesas Electronics America, DF3048BVX25V Datasheet - Page 100
DF3048BVX25V
Manufacturer Part Number
DF3048BVX25V
Description
MCU 3/5V 128K PB-FREE 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Hr
Specifications of DF3048BVX25V
Core Processor
H8/300H
Core Size
16-Bit
Speed
25MHz
Connectivity
SCI, SmartCard
Peripherals
DMA, PWM, WDT
Number Of I /o
70
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
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
-
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Part Number:
DF3048BVX25V
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Section 3 MCU Operating Modes
Modes 5 and 6 are externally expanded modes that enable access to external memory and
peripheral devices and also enable access to the on-chip ROM. Mode 5 supports a maximum
address space of 1 Mbyte. Mode 6 supports a maximum address space of 16 Mbytes.
Mode 7 is a single-chip mode that operates using the on-chip ROM, RAM, and internal I/O
registers, and makes all I/O ports available. Mode 7 supports a 1-Mbyte address space.
The H8/3048B Group can be used only in modes 1 to 7. The inputs at the mode pins must select
one of these seven modes. The inputs at the mode pins must not be changed during operation.
3.1.2
The H8/3048B Group has a mode control register (MDCR) that indicates the inputs at the mode
pins (MD
Table 3.2
Address *
H'FFF1
H'FFF2
Note:
3.2
MDCR is an 8-bit read-only register that indicates the current operating mode of the H8/3048B
Group.
Rev. 3.00 Sep 27, 2006 page 72 of 872
REJ09B0325-0300
Bit
Initial value
Read/Write
Note:
* The lower 16 bits of the address are indicated.
*
2
Register Configuration
Mode Control Register (MDCR)
to MD
Determined by pins MD to MD .
Registers
Name
Mode control register
System control register
0
), and a system control register (SYSCR). Table 3.2 summarizes these registers.
Reserved bits
7
1
6
1
2
5
0
0
Reserved bits
SYSCR
Abbreviation
MDCR
4
0
3
0
R/W
R
R/W
MDS2
Mode select 2 to 0
Bits indicating the current
operating mode
R
2
*
MDS1
Initial Value
Undetermined
H'0B
R
1
*
MDS0
R
0
*
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