DF3048X16V Renesas Electronics America, DF3048X16V Datasheet - Page 691

• Manufacturer Part Number: DF3048X16V
• Description: MCU 5V 128K,PB-FREE 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Hr

Specifications of DF3048X16V

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 16MHz
• 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): 4.5 V ~ 5.5 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: -

21.2
The H8/3048 Group has a system control register (SYSCR) that controls the power-down state,
and a module standby control register (MSTCR) that controls the module standby function. Table
21.2 summarizes these registers.
Table 21.2 Control Register
Address*
H'FFF2
H'FF5E
Note: * Lower 16 bits of the address.
21.2.1
SYSCR is an 8-bit readable/writable register. Bit 7 (SSBY) and bits 6 to 4 (STS2 to STS0) control
the power-down state. For information on the other SYSCR bits, see section 3.3, System Control
Register (SYSCR).
Bit
Initial value
Read/Write
System Control Register (SYSCR)
Register Configuration
Name
System control register
Module standby control register
SSBY
Software standby
Enables transition to
software standby mode
R/W
7
0
STS2
R/W
6
0
STS1
Standby timer select 2 to 0
These bits select the
waiting time at exit from
software standby mode
R/W
5
0
STS0
R/W
4
0
Abbreviation
SYSCR
MSTCR
Rev. 7.00 Sep 21, 2005 page 665 of 878
User bit enable
R/W
UE
3
1
Section 21 Power-Down State
NMIEG
NMI edge select
R/W
2
0
R/W
R/W
R/W
Reserved bit
REJ09B0259-0700
—
—
1
1
Initial Value
H'0B
H'40
RAM enable
RAME
R/W
0
1