AMD Geode SC1201 User Manual
Page 74

74
AMD Geode™ SC1200/SC1201 Processor Data Book
General Configuration Block
32579B
23
TFTPP (TFT/Parallel Port). Determines whether certain balls are used for TFT/VOP or PP/ACB1. This bit is set to 1 at
power-on if the TFT_PRSNT strap (ball P29) is pulled high.
Ball #
0: PP/ACB1/FPCI
1: TFT/VOP
Name
Add’l Dependencies
Name
Add’l Dependencies
H2 / D10
GPIO1
PMR[13] = 0
TFTD12
PMR[15] = 0
IOCS1#
PMR[13] = 1
GPIO1
PMR[15] = 1 and PMR[13] = 0
IOCS1#
PMR[15] = 1 and PMR[13] = 1
H3 / A9
GPIO20
PMR[7] = 0
TFTD0
PMR[15] = 0
DOCCS#
PMR[7] = 1
GPIO20
PMR[15] = 1 and PMR[7] = 0
DOCCS#
PMR[15] = 1 and PMR[7] = 1
J4 / A10
GPIO17
PMR[5] = 0
TFTDCK
PMR[15] = 0
IOCS0#
PMR[5] = 1
GPIO17
PMR[15] = 1 and PMR[5] = 0
IOCS0#
PMR[15] = 1 and PMR[5] = 1
T1 / B17
BUSY/WAIT#
Note 1
TFTD3
PMR[15] = 0 and Note 1
F_C/BE1#
Note 2
VOPD2
PMR[15] = 1 and Note 1
T3 / D17
PE
Note 1
TFTD14
Note 1
F_C/BE2#
Note 2
T4 / C17
SLCT
Note 1
TFTD15
Note 1
F_C/BE3#
Note 2
U1 / A18
PD7
Note 1
TFTD13
Note 1
F_AD7
Note 2
U3 / B18
ACK#
Note 1
TFTDE
PMR[15] = 0 and Note 1
FPCICLK
Note 2
VOPCK
PMR[15] = 1 and Note 1
V1 / C18
PD4
Note 1
TFTD10
Note 1
F_AD4
Note 2
V2 / C19
PD5
Note 1
TFTD11
Note 1
F_AD5
Note 2
V3 / A20
PD6
Note 1
TFTD1
PMR[15] = 0 and Note 1
F_AD6
Note 2
VOPD0
PMR[15] = 1 and Note 1
W1 / B20
SLIN#/ASTRB#
Note 1
TFTD16
Note 1
F_IRDY#
Note 2
W2 / C20
PD3
Note 1
TFTD9
Note 1
F_AD3
Note 2
W3 / D20
PD2
Note 1
TFTD8
PMR[15] = 0 and Note 1
F_AD2
Note 2
VOPD7
PMR[15] = 1 and Note 1
Y1 / A21
PD1
Note 1
TFTD7
PMR[15] = 0 and Note 1
F_AD1
Note 2
VOPD6
PMR[15] = 1 and Note 1
Y3 / B21
INIT#
Note 1
TFTD5
PMR[15] = 0 and Note 1
SMI_O
Note 2
VOPD4
PMR[15] = 1 and Note 1
AA1 / C21
PD0
Note 1
TFTD6
PMR[15] = 0 and Note 1
F_AD0
Note 2
VOPD5
PMR[15] = 1 and Note 1
AA3 / D21
ERR#
Note 1
TFTD4
PMR[15] = 0 and Note 1
F_C/BE0#
Note 2
VOPD3
PMR[15] = 1 and Note 1
AB1 / A22
STB#/WRITE#
Note 1
TFTD17
None
F_FRAME#
Note 2
AB2 / D22
AFD#/DSTRB#
Note 1
TFTD2
PMR[15] = 0 and Note 1
INTR_O
Note 2
VOPD1
PMR[15] = 1 and Note 1
AJ13 / N31
AB1C
None
GPIO20
PMR[15] = 0 and PMR[7] = 0
DOCCS#
PMR[15] = 0 and PMR[7] = 1
AB1C
PMR[15] = 1 (Note 3)
AL12 / N30
AB1D
None
GPIO1
PMR[15] = 0 and PMR[13] = 0
IOCS1#
PMR[15] = 0 and PMR[13] = 1
AB1D
PMR[15] = 1
AL16 / V30
GXCLK
PMR[29] = 0
FP_VDD_ON
PMR[15] = 0
TEST3
PMR[29] = 1
GXCLK
PMR[15] = 1
Note:
1. PMR[27] = 0 and FPCI_MON = 0
2. PMR[27] = 1 or FPCI_MON = 1
3. ACCESS.bus interface 1 is not available if PMR[23] = 1 and PMR[15] = 0.
4. If FPCI_MON strap is enabled, the TFT_PRSNT strap should be pulled low.
Table 4-2. Pin Multiplexing, Interrupt Selection, and Base Address Registers (Continued)
Bit
Description