Specifications

58 Élan™SC310 Microcontroller Data Sheet
PRELIMINARY
Notes:
All Pull-Up and Pull-Down resistor requirements are specified in ohms.
1. This pin is an “alternate pin function select input” that is sampled at reset. This pin functions as a normal serial port output
after RESIN
and IORESET are deasserted.
2. When this pin’s function is a DMA request input, it should be terminated with a pulldown resistor if not connected to an external
device that drives to a known state.
3. If this ÉlanSC310 microcontroller input is always driven to a known state, then no external termination is required.
4. If the pin is configured as an input, it should be terminated with a discrete pull-up or pull-down resistor, or it should always be
driven to a known state.
Signal Name Pin No.
Local Bus Maximum ISA
Notes
Pull Up Pull Down Pull Up Pull Down
ERROR
86 4.7K 4.7K
ACK
88 4.7K 4.7K
BUSY
85 4.7K 4.7K
PE
82 4.7K 4.7K
SLCT
87 4.7K 4.7K
PGP0
189 100K 100K 4
PGP1
188 100K 100K 4
ACIN
101 10K 10K 3
BL1
106 100K 100K 3
BL2
107 100K 100K 3
BL3
108 100K 100K 3
BL4
109 100K 100K 3
SOUT
94 10K
Table 25. External Resistor Requirements (Continued)