12-31
DMA CONTROLLER
12.3.1 Pin Configuration Register (PINCFG)Use PINCFG to connect DACK0#, EOP#, and DACK1# to package pins.

Figure 12-18. Pin Configuration Register (PINCFG)

Pin Configuration
PINCFG
(read/write)
Expanded Addr:
ISA Addr:
Reset State:
F826H
—
00H
7 0
— PM6 PM5 PM4 PM3 PM2 PM1 PM0
Bit
Number Bit
Mnemonic Function
7 — Reserved. This bit is undefined; for compatibility wit h future devices, do
not modify this bit.
6 PM6 Pin Mode:
0 = Selects CS6# at the packag e pin.
1 = Selects REFRESH# at the pac kage pin.
5 PM5 Pin Mode:
0 = Selects the coprocessor signals, PEREQ, BUSY#, and ERROR# , at
the package pins.
1 = Selects the timer control unit signals, TMROUT2, TMRCLK2 , and
TMRGATE2, at the package pins.
4 PM4 Pin Mode:
0 = Selects DACK0# at the package pin.
1 = Selects CS5# at the package pin.
3 PM3 Pin Mode:
0 = Selects EOP# at the package pin.
1 = Selects CTS1# at the package pin.
2 PM2 Pin Mode:
0 = Selects DACK1# at the package pin.
1 = Selects TXD1 at th e package pin.
1 PM1 Pin Mode:
0 = Selects SRXCLK at th e package pin.
1 = Selects DTR1# at the package pin.
0 PM0 Pin Mode:
0 = Selects SSIOTX at the p ackage pin.
1 = Selects RTS1# at the package pin.