TX4939XBG-400 Toshiba, TX4939XBG-400 Datasheet - Page 185

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TX4939XBG-400

Manufacturer Part Number
TX4939XBG-400
Description
Manufacturer
Toshiba
Datasheet

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

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8.4.14. Interrupt Request Flag Register 1 (IRFLAG1)
Rev. 3.1 November 1, 2005
Bit
31:16
15:0
PF1
[15]
31
15
PF1
[14]
30
14
Mnemonic
PF1 [15:0]
PF1
[13]
29
13
PF1
[12]
28
12
PF1
[11]
27
11
Field Name
Flag 1
Figure 8-17 Interrupt Request Flag Register 1
PF1
[10]
Table 8-19 Interrupt Request Flag Register 1
26
10
PF1
25
[9]
9
RESERVED
PF1
24
[8]
Explanation
Reserved
Interrupt Request Flag 1 [15:0] (Default: 0x0000)
Changes made to this register are reflected in Flag Register 0
also since they are the same registers.
Both “0” and “1” can be written to Flag Register 0.
Writes to Flag Register 1 operate as follows:
8
0x0000
R/W
PF1
8-23
23
[7]
7
Write
Read: Read the flag bit
PF1
22
[6]
6
From the TX49/H4 core
From other devices (DMAC, PCIC)
PF1
21
[5]
5
PF1
20
[4]
4
1: Set the flag bit
0: No change
1: Clear the flag bit
0: No change
PF1
19
[3]
3
PF1
18
[2]
2
Toshiba RISC Processor
PF1
17
[1]
1
0xE908
PF1
16
[0]
0
: Default
: Default
R/W
R/W
: Type
: Type
TX4939
8
8

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