Z8E520 Datasheet, PDF (20/43 Pages) Zilog, Inc. – 1.5 MBPS USB Device Controller

Z8E520/C520
1.5 MBPS USB Device Controller
FUNCTIONAL DESCRIPTION (Continued)
STACK POINTER
FF
RESERVED
FE
REGPTR
FD
FLAGS
FC
IMASK
FB
IREQ
FA
F9
F8
F7
F6
F5
RESERVED
F4
F3
F2
F1
F0
Figure 13. System Registers
Zilog
20
PRELIMINARY
DS97KEY2005