38 AMD Geodeā„¢ SC2200 Processor Data Book
Signal Definitions
32580B
AL8 SDATA_IN2 I INTS VSB F3BAR0+Mem-
ory Offset 08h[21]
= 1
AL96MD2 I/O INT
, TS2/5 VIO ---
AL106MD4 I/O INT
, TS2/5 VIO ---
AL11 DQM0 O O2/5 VIO ---
AL12 CS0# O O2/5 VIO ---
AL13 VSS GND --- --- ---
AL14 MA0 O O2/5 VIO ---
AL15 DQM4 O O2/5 VIO ---
AL16 VSS GND --- --- ---
AL176MD38 I/O INT
, TS2/5 VIO ---
AL186MD39 I/O INT
, TS2/5 VIO ---
AL19 VSS GND --- --- ---
AL206MD44 I/O INT
, TS2/5 VIO ---
AL216MD40 I/O INT
, TS2/5 VIO ---
AL22 CKEA O O2/5 VIO ---
AL23 MA7 O O2/5 VIO ---
AL24 MA4 O O2/5 VIO ---
Ball
No. Signal Name
I/O
(PU/PD)
Buffer1
Type
Power
Rail Configuration
AL256MD8 I/O INT
, TS2/5 VIO ---
AL266MD10 I/O INT
, TS2/5 VIO ---
AL276MD9 I/O INT
, TS2/5 VIO ---
AL28 MA12 O O2/5 VIO ---
AL296MD23 I/O INT
, TS2/5 VIO ---
AL30 VIO PWR --- --- ---
AL31 VSS GND --- --- ---
1. For Buffer Type definitions, refer to Table 9-10 "Buffer Types" on page
376.
2. Is 5V tolerant (ACK#, AFD#/DSTRB#, BUSY/WAIT#, ERR#, INIT#,
PD[7:0], PE, SLCT, SLIN#/ASTRB#, STB#/WRITE#, ONCTL#,
PWRCNT[2:1]).
3. The TFT_PRSNT strap determines the power-on reset (POR) state of
PMR[23].
4. The LPC_ROM strap determines the power-on reset (POR) state of
PMR[14] and PMR[22].
5. May need 5V tolerant protection at system level (DDC_SCL,
DDC_SDA).
6. Is back-drive protected (MD[63:0], DPOS_PORT1, DNEG_PORT1,
DPOS_PORT2, DNEG_PORT2, DPOS_PORT3, DNEG_PORT3,
ACK#, AFD#/DSTRB#, BUSY/WAIT#, ERR#, INIT#, PD[7:0], PE, SLCT,
SLIN#/ASTRB#, STB#/WRITE#, ONCTL#, PWRCNT[2:1]).
Ball
No. Signal Name
I/O
(PU/PD)
Buffer1
Type
Power
Rail Configuration
Table 3-2. BGU481 Ball Assignment - Sorted by Ball Number (Continued)