General-Purpose Bus Controller
Élan™SC520 Microcontroller User’s Manual 13-3
Table 13-1 GP Bus Signals Shared with Other Interfaces
Default
Signal
Interface or
Alternate
Function Control Bit Register
TMROUT0 GPCS7
GPCS7_SEL Chip Select Pin Function Select (CSPFS)
register (MMCR offset C24h)
TMROUT1 GPCS6
GPCS6_SEL
TMRIN0 GPCS5
GPCS5_SEL
TMRIN1 GPCS4
GPCS4_SEL
PITGATE2 GPCS3
GPCS3_SEL
ROMCS2
GPCS2 GPCS2_SEL
ROMCS1
GPCS1 GPCS1_SEL
PIO27 GPCS0
PIO27_FNC PIO31–PIO16 Pin Function Select
(PIOPFS31_16) register (MMCR offset
C22h)
PIO26 GPMEMCS16
PIO26_FNC
PIO25 GPIOCS16
PIO25_FNC
PIO24 GPDBUFOE
PIO24_FNC
PIO23 GPIRQ0 PIO23_FNC
PIO22 GPIRQ1 PIO22_FNC
PIO21 GPIRQ2 PIO21_FNC
PIO20 GPIRQ3 PIO20_FNC
PIO19 GPIRQ4 PIO19_FNC
PIO18 GPIRQ5 PIO18_FNC
PIO17 GPIRQ6 PIO17_FNC
PIO16 GPIRQ7 PIO16_FNC
PIO15 GPIRQ8 PIO15_FNC PIO15–PIO0 Pin Function Select
(PIOPFS15_0) register (MMCR offset
C20h)
PIO14 GPIRQ9 PIO14_FNC
PIO13 GPIRQ10 PIO13_FNC
PIO12 GPDACK0
PIO12_FNC
PIO11 GPDACK1
PIO11_FNC
PIO10 GPDACK2
PIO10_FNC
PIO9 GPDACK3
PIO9_FNC
PIO8 GPDRQ0 PIO8_FNC
PIO7 GPDRQ1 PIO7_FNC
PIO6 GPDRQ2 PIO6_FNC
PIO5 GPDRQ3 PIO5_FNC
PIO4 GPTC PIO4_FNC
PIO3 GPAEN PIO3_FNC
PIO2 GPRDY PIO2_FNC
PIO1 GPBHE
PIO1_FNC
PIO0 GPALE PIO0_FNC
To Next Page
Loading...