TX4939XBG-400 Toshiba, TX4939XBG-400 Datasheet - Page 163
TX4939XBG-400
Manufacturer Part Number
TX4939XBG-400
Description
Manufacturer
Toshiba
Datasheet
1.TX4939XBG-400.pdf
(740 pages)
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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8.1. Characteristics
The TX4939 on-chip Interrupt Controller (IRC) receives interrupt requests from the TX4939 on-chip peripheral circuitry as
well as external interrupt requests and in turn generates interrupt requests to the TX49/H4 processor core.
Also, this Interrupt Controller has a 16-bit flag register that generates interrupt requests either to the external devices or to
the TX49/H4 core.
The Interrupt Controller has the following characteristics.
Rev. 3.1 November 1, 2005
Supports interrupts from 47 types of on-chip peripheral circuits and a maximum of 3 external interrupt signal
Sets 8 priority interrupt levels for each interrupt input.
Can select either edge detection or level detection for each external interrupt when in the interrupt detection
The Interrupt Controller contains a 16-bit readable/write-able flag register which can be programmed to issue
inputs.
mode.
interrupt requests to external devices as well as to the TX49/H4 core (IRC interrupt).
Chapter 8. Interrupt Controller
8-1
Toshiba RISC Processor
TX4939
8
8
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