參數(shù)資料
型號: ELANSC400-100AC
廠商: ADVANCED MICRO DEVICES INC
元件分類: 微控制器/微處理器
英文描述: Single-Chip, Low-Power, PC/AT-Compatible Microcontrollers
中文描述: 32-BIT, FLASH, 100 MHz, MICROCONTROLLER, PBGA292
封裝: PLASTIC, BGA-292
文件頁數(shù): 70/132頁
文件大?。?/td> 2400K
代理商: ELANSC400-100AC
70
élanSC400 and élanSC410 Microcontrollers Data Sheet
Multiplexed Pin Function Options
Table 20 shows how to configure each multiplexed
signal on the élanSC400 and élanSC410
microcontrollers.
Note that those signals marked with a superscript 1 (
1
)
are not supported on the élanSC410 microcontroller.
Pins with multiplexed functions have their functions
selected in one of three ways:
I
By configuration pins that are latched during reset
I
By assertion at BNDSCN_EN
I
By firmware via programmed configuration registers
Table 20.
Multiplexed Pin Configuration Options
Signal You Want
System Interface
BALE
DBUFOE
DBUFRDH
DBUFRDL
MCS16
PDACK1
PDRQ1
PIRQ0
PIRQ1
PIRQ2
PIRQ3
PIRQ4
PIRQ5
PIRQ6
PIRQ7
R32BFOE
Signals You Give Up
How to Configure the Signal You Want on the Pin
Pin #
KBD_ROW10
GPIO_CS4
GPIO_CS3
GPIO_CS2
KBD_ROW12
KBD_ROW7
KBD_ROW8
GPIO_CS8
GPIO_CS7
KBD_ROW9
KBD_COL2
KBD_COL3
KBD_COL4
KBD_COL5
KBD_COL6
KBD_ROW13
Set CSC index 39h[2].
Hardwire strap the CFG3 pin High.
Hardwire strap the CFG3 pin High.
Hardwire strap the CFG3 pin High.
Set CSC index 39h[2].
Set CSC index 39h[2].
Set CSC index 39h[2].
Set CSC index 38h[1].
Set CSC index 38h[2].
Set CSC index 39h[2].
Set CSC index 3Ah[1].
Set CSC index 3Ah[1].
Set CSC index 3Ah[2].
Set CSC index 3Ah[2].
Set CSC index 3Ah[2].
Hardwire-strap both the CFG1 and CFG0 pins High to enable the
32-bit ROM interface on ROMSC0. This automatically enables
R32BFOE.
Set CSC index 39h[2].
D2
C4
D17
C18
F3
D3
C2
W18
Y19
E3
A2
B3
C3
A1
B2
A3
SBHE
Configuration Pins (Pinstraps)
(See “Using the Configuration Pins to Select Pin Functions” on page 74.)
Memory Interface
CASH2
KBD_ROW2
Set bit 3 of the DRAM Bank x Configuration Register.
Set CSC index 00h[7] and 00h[3], or
Set CSC index 01h[7] and 01h[3], or
Set CSC index 02h[7], or
Set CSC index 03h[7].
MA12
KBD_ROW6
RAS2
KBD_ROW4
RAS3
KBD_ROW5
KBD_ROW11
C1
C17
B18
B19
D16
B17
D15
C16
CASH3
CASL2
CASL3
KBD_ROW3
KBD_ROW0
KBD_ROW1
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