TX4939XBG-400 Toshiba, TX4939XBG-400 Datasheet - Page 274

• 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

TMR
Rev. 3.1 November 1, 2005
Figure 13-4 Operation Example of the Interval Timer (External Input Clock: Falling Edge Operation)
Timer Interrupt*
Timer Interrupt*
TZCE = 1
CRE = 0
TCE = 0
TIIE = 1
TIIS = 1
TIIS = 1
Count Value
Count Value
TCLK
TCE
TIIE
TMODE = 00 (Interval Timer Mode), CCS = 1 (Internal Clock), ECES = 0 (Falling Edge)
Figure 13-3 Operation Example of Interval Timer (Using Internal Clock)
TMODE = 00 (Interval Timer Mode), CCS = 0 (Internal Clock)
CRE = 0 (Not Reset), TZCE = 1 (Zero Clear Enable)
TMCPRA Reg. Compare Value
TMCPRA Reg. Compare Value
TCE=0
TCE=0
CRE=1
13-6
TCE=0
TZCE
Toshiba RISC Processor
TIIE
TIIE = 0
Rev 1.01
R e v 1 . 0 0
TX4939
13
13