HD64570F Renesas Electronics America, HD64570F Datasheet - Page 106

• Manufacturer Part Number: HD64570F
• Description: IC SCA SRL COMM ADAPTER 88QFP
• Manufacturer: Renesas Electronics America

Specifications of HD64570F

• Applications: ISDN
• Interface: Serial
• Voltage - Supply: 4.5 V ~ 5.5 V
• Package / Case: 88-QFP
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

4.2.6
The read-only interrupt status register 2 indicates the status of interrupt request sources. Bits 7 to 4
are cleared to 0 at a reset. Bits 3 to 0 are reserved bits that always read 0.
Rev. 0, 07/98, page 90 of 453
Interrupt Status Register 2 (ISR2)
Timer channel 3
interrupt request
0: Not requested
1: Requested
Timer channel 2
interrupt request
0: Not requested
1: Requested
Read/Write
Initial value
Bit name
Note: Initial values are the values after a hardware reset.
T3IRQ T2IRQ T1IRQ
7
R
0
6
R
0
5
R
0
T0IRQ
4
R
0
3
—
—
0
Timer channel 1
interrupt request
0: Not requested
1: Requested
Timer channel 0
interrupt request
0: Not requested
1: Requested
—
2
—
0
1
—
—
0
—
—
0
0