HD64F3026X25 Renesas Electronics America, HD64F3026X25 Datasheet - Page 126

• Manufacturer Part Number: HD64F3026X25
• Description: MCU 3V 256K 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Hr

Specifications of HD64F3026X25

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 25MHz
• Connectivity: SCI, SmartCard
• Peripherals: PWM, WDT
• Number Of I /o: 70
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K 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: Contains lead / RoHS non-compliant
• Eeprom Size: -

Section 5 Interrupt Controller
SYSCR is initialized to H'09 by a reset and in hardware standby mode. It is not initialized in
software standby mode.
Bit 3—User Bit Enable (UE): Selects whether to use the UI bit in CCR as a user bit or an
interrupt mask bit.
Bit 3
UE
0
1
Bit 2—NMI Edge Select (NMIEG): Selects the NMI input edge.
Bit 2
NMIEG
0
1
5.2.2
IPRA and IPRB are 8-bit readable/writable registers that control interrupt priority.
Rev. 2.00 Sep 20, 2005 page 86 of 800
REJ09B0260-0200
Bit
Initial value
Read/Write
Interrupt Priority Registers A and B (IPRA, IPRB)
Description
UI bit in CCR is used as interrupt mask bit
UI bit in CCR is used as user bit
Description
Interrupt is requested at falling edge of NMI input
Interrupt is requested at rising edge of NMI input
SSBY
Software standby
R/W
7
0
STS2
R/W
6
0
Standby timer
select 2 to 0
STS1
R/W
5
0
STS0
R/W
4
0
User bit enable
Selects whether to use the UI bit in
CCR as a user bit or interrupt mask bit
R/W
UE
3
1
NMI edge select
Selects the NMI input edge
NMIEG
R/W
2
0
Software standby
output port enable
SSOE
R/W
1
0
RAM enable
(Initial value)
(Initial value)
RAME
R/W
0
1