GMS30C2216 Datasheet, PDF (139/320 Pages) Hynix Semiconductor – 16/32 BIT RISC/DSP

BUS INTERFACE
6-23
Bits Name
19..18 CLICKOUTControl
17
BusLock
16
EOVDisable
15..14
13..12 IO3Control
11
10
IO3Direction
9
IO3Polarity
8
IO3Mask
7
6
IO2Direction
5
IO2Polarity
4
IO2Mask
3
2
IO1Direction
1
IO1Polarity
0
IO1Mask
Description
11 = Output reflects CLKOUTPolarity
10 = Processor clock
01 = Processor clock / 2
00 = Processor clock / 4
DMA Access
1 = Non-Locked
0 = Locked out
Extended Overflow Exception:
1 = Disabled
0 = Enabled
Reserved
IO3 Control State:
11 = IO3Standard Mode
10 = Watchdog Mode
01 = IO3Timing Mode
00 = IO3TimerInterrupt Mode
Reserved
1 = Input
0 = Output
1 = Non-Inverted
0 = Inverted
On Input: 1 = IO3 Interrupt Disabled
0 = IO3 Interrupt Enabled
On Output: 1 = IO3 Output reflects IO3Polarity
0 = Reserved
Reserved
1 = Input
0 = Output
1 = Non-Inverted
0 = Inverted
On Input: 1 = IO2 Interrupt Disabled
0 = IO2 Interrupt Enabled
On Output: 1 = IO2 Output reflects IO2Polarity
0 = Reserved
Reserved
1 = Input
0 = Output
1 = Non-Inverted
0 = Inverted
On Input: 1 = IO1 Interrupt Disabled
0 = IO1 Interrupt Enabled
On Output: 1 = IO1 Output reflects IO1Polarity
0 = Output reflects Supervisor Flag XOR NOT
IO1Polarity
Table 6.8: Function Control Register FCR