C8051F700DK Silicon Laboratories Inc, C8051F700DK Datasheet - Page 114
![DEV KIT FOR C8051F700](/photos/9/23/92340/c8051f700dk_sml.jpg)
C8051F700DK
Manufacturer Part Number
C8051F700DK
Description
DEV KIT FOR C8051F700
Manufacturer
Silicon Laboratories Inc
Type
MCUr
Datasheets
1.C8051F700-TB.pdf
(1 pages)
2.C8051F700-TB.pdf
(306 pages)
3.C8051F700-TB.pdf
(18 pages)
Specifications of C8051F700DK
Contents
Board, Cables, CD, Debugger, Power Supply
Processor To Be Evaluated
C8051F7x
Processor Series
C8051F7xx
Interface Type
USB
Operating Supply Voltage
3.3 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With/related Products
C8051F7xx
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1635
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C8051F70x/71x
SFR Definition 18.2. EMI0CF: External Memory Configuration
SFR Address = 0xC7; SFR Page = F
114
Name
Reset
7:5
3:2
1:0
Bit
Type
4
Bit
EALE[1:0] ALE Pulse-Width Select Bits.
EMD[1:0]
Unused
Name
EMD2
7
0
Read = 000b; Write = Don’t Care.
EMIF Multiplex Mode Select Bit.
0: EMIF operates in multiplexed address/data mode
1: EMIF operates in non-multiplexed mode (separate address and data pins)
EMIF Operating Mode Select Bits.
00: Internal Only: MOVX accesses on-chip XRAM only. All effective addresses alias to
on-chip memory space
01: Split Mode without Bank Select: Accesses below the 256 B boundary are directed
on-chip. Accesses above the 256 B boundary are directed off-chip. 8-bit off-chip MOVX
operations use current contents of the Address high port latches to resolve the upper
address byte. To access off chip space, EMI0CN must be set to a page that is not con-
tained in the on-chip address space.
10: Split Mode with Bank Select: Accesses below the 256 B boundary are directed on-
chip. Accesses above the 256 B boundary are directed off-chip. 8-bit off-chip MOVX
operations uses the contents of EMI0CN to determine the high-byte of the address.
11: External Only: MOVX accesses off-chip XRAM only. On-chip XRAM is not visible to
the CPU.
These bits only have an effect when EMD2 = 0.
00: ALE high and ALE low pulse width = 1 SYSCLK cycle.
01: ALE high and ALE low pulse width = 2 SYSCLK cycles.
10: ALE high and ALE low pulse width = 3 SYSCLK cycles.
11: ALE high and ALE low pulse width = 4 SYSCLK cycles.
R
6
0
5
0
EMD2
Rev. 1.0
4
0
Function
3
0
EMD[1:0]
R/W
2
0
1
1
EALE[1:0]
0
1
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