TX4939XBG-400 Toshiba, TX4939XBG-400 Datasheet - Page 186

• Manufacturer Part Number: TX4939XBG-400
• Manufacturer: Toshiba

Specifications of TX4939XBG-400

• Cpu Core: TX49/H4 90nm
• Clock Mhz/max Mips: 400/520
• Inst./data Cache: 32KB (4 Way)/32KB (4 Way)
• Tlb: x
• 1cycle Mac: x
• Volts (v): 1.25/2.5/3.3
• Peripherals: DDR, NAND, ATA, ETHERNET, SECURITY, FPU, MMU, SPI, I2S, I2C, PCI, VIDEO, UART, TIMER, RTC
• Companion Chip: TC86C001FG
• Package: PGBA456

INTC
8.4.15. Interrupt Request Polarity Control Register (IRPOL)
Rev. 3.1 November 1, 2005
Bit
31:16
15:0
FPC
[15]
31
15
FPC
[14]
30
14
Mnemonic
⎯
FPC [15:0]
FPC
[13]
29
13
FPC
[12]
28
12
FPC
[11]
Figure 8-18 Interrupt Requests Polarity Control Register
27
11
Table 8-20 Interrupt Requests Polarity Control Register
Field Name
⎯
Flag Polarity
Control
FPC
[10]
26
10
FPC
25
[9]
9
RESERVED
FPC
Explanation
Reserved
Flag Polarity Control [15:0] (Default: 0x0000)
These bits specify the polarity of the flag bit that generated the
interrupt. An interrupt request is generated when the XOR of the
FPC bit and the flag bit is “1.”
24
[8]
8
0x0000
R/W
FPC
8-24
23
[7]
7
Flag bit (PF)
0
0
1
1
FPC
22
[6]
6
0
1
0
1
FPC
21
[5]
5
FPC
20
[4]
4
FPC bit
No
Yes
Yes
No
FPC
19
[3]
3
Interrupt request
FPC
18
[2]
2
Toshiba RISC Processor
FPC
17
[1]
1
0xE910
FPC
16
[0]
0
R/W
⎯
R/W
: Default
: Default
: Type
: Type
TX4939
8
8