TX4939XBG-400 Toshiba, TX4939XBG-400 Datasheet - Page 269
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
Available stocks
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- Current page: 269 of 740
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TMR
13.1. Features
The TX4939 has an on-chip 6-channel timer/counter.
Rev. 3.1 November 1, 2005
Note:
32-bit Up Counter: 6 Channels
□ Featured as down-counter like usage
Interval Timer Mode (Channel 0, 1, 2, 3, 4, 5)
Pulse Generator Mode (Channel 0, 1)
Watchdog Timer Mode (Channel 2)
Timer Output Signal (TIMER[1:0])
Watchdog Timer Reset Output (WDRST*):
This timer function has additional feature from TX4938's TIMER as follows.
The register TMTRRn (Timer Read Register) was read only.
In TX4939, this register accepts data write to set appropriate 32-bit data as a counter
starting value.
Although, this register is now R/W (Read/Write), but the register name remain same for
the software compatibility.
Chapter 13. Timer/Counter Controller
×
2
×
1
13-1
Toshiba RISC Processor
TX4939
13
13
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