That's more than I would have guessed. Sounds
like there was a window
in which the T-11 made more sense than the 68000, but that it was a
short window.
From
http://www.system16.com/hardware.php?id=769
PCB : A042571 ATARI SYSTEM II CPU
Main CPU : T11 @ 10 MHz (DEC 21-17311-02)
Sound CPU : M6502 2.2 MHz
Sound chip : YM2151 @ 3.579545 MHz, 2 x Pokey @ 1.789772 MHz, TMS5220 @ 625
KHz
Oscillators : 14.31818 & 20.000
VLSI : 645 V D727B, VGC7205-0672, 137304-2002 [40pin DIP, row 7]
Other Chips : 8645 137430-001 [40pin DIP, row 6/row 7]
Protection Chip : Slapstic 137412-1** F.A.Q.
Video resoution : 512 x 384
Interesting that there were other games beyond that: 720, Accelerator,
APB, Championship Sprint, Paperboy and Super Sprint. Never stopped to know
what a T11 was!