INTEGRATED CIRCUIT
TOSHIBA RISC PROCESSOR
TMPR4925XB
TENTATIVE
n Timers / Counters Controller ( TMR )
The TX4925 contains 3-channel timer / counters.
• 3-channel 32-bit up-counter
• Supports three modes : interval timer mode, pulse generator mode, and watchdog timer
mode
• 2 timer output pins
• 1 count clock input pin
n Parallel I/O Ports ( PIO )
The TX4925 contains 32-bit parallel I/O ports
• Independent selection of direction of pins and output port type ( totem-pole or open-drain
outputs ) on a per bit basis.
(PIO[4,2,0] are input-only pins.)
n AC-link controller ( ACLC )
The TX4925 contains an AC-link controller, which can be operated using any audio and / or
modem CODECs described in Audio CODEC’97 Revision 2.1 ( AC’97 ).
• Supports up to two CODECs
• Supports recording and playback for right and left 16-bit PCM channels
• Supports playback for 16-bit surround, center, and LFE channels
• Supports audio recording and layback at variable rate
• Supports Line1 and GPIO slots for modem CODEC
• Supports AC-link low power mode, wakeup, and warm reset
• Supports input / output of sample data by DMA transfer
EJC-TMPR4925XB -7
26/Dec/01 Rev 0.1
TOSHIBA CORPORATION