XE8801AMI027LF Semtech, XE8801AMI027LF Datasheet - Page 23
XE8801AMI027LF
Manufacturer Part Number
XE8801AMI027LF
Description
IC DAS 16BIT FLASH 8K MTP 44LQFP
Manufacturer
Semtech
Datasheet
1.XE8801AMI027LF.pdf
(135 pages)
Specifications of XE8801AMI027LF
Applications
Sensing Machine
Core Processor
RISC
Program Memory Type
FLASH (22 kB)
Controller Series
XE8000
Ram Size
512 x 8
Interface
UART, USRT
Number Of I /o
24
Voltage - Supply
2.4 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
44-LQFP
For Use With
XE8000MP - PROG BOARD AND PROSTART2 CARD
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
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Part Number
Manufacturer
Quantity
Price
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Sflag
Rflag
Rflag
Freq divn
Halt
Nop
- = unchanged, u = undefined, *MSHR reg,# 1 doesn’t shift by 1
Table 3-4. Instruction short reference
The Coolrisc816 has 8 different addressing modes. These modes are described in Table 3-5. In this table, the
notation ix refers to one of the data memory index registers i0, i1, i2 or i3. Using
will access the data memory at the address
Table 3-5. Extended address mode description
Eleven different jump conditions are implemented as shown in Table 3-6. The contents of the column
table should replace the
CC
CS
CC
ZS
ZC
VS
VC
EV
EQ
NE
GT
GE
LT
LE
Table 3-6. Jump condition description
© Semtech 2005
extended address
(ix,offset[7:0])+
(ix, offset[7:0])
-(ix,offset[7:0])
After CMP op1,op2
addr[7:0]
reg
eaddr
eaddr
(ix,r3)
(ix)+
-(ix)
(ix)
(EV1 or EV0)=1
condition
op1=op2
op1≠op2
op1>op2
op1≥op2
op1<op2
op1≤op2
C=1
C=0
Z=1
Z=0
V=1
V=0
accessed data memory
DM(h00&addr[7:0])
DM(ix+offset)
DM(ix+offset)
DM(ix-offset)
DM(eaddr)
DM(ix+r3)
DM(ix-1)
-,-,-, a
C, V, Z, a
C, V, Z, a
-,-,-, -
-,-,-, -
-,-,-, -
location
CC
DM(ix)
DM(ix)
notation in the instruction description of Table 3-4.
ix := ix+offset
ix := ix -offset
a[7] := C; a[6] := C xor V; a[5] := ST full; a[4] := ST empty
a :=
a := DM(eaddr)<<1; a[0] :=0; C :=
reduces the CPU frequency (divn=nodiv, div2, div4, div8, div16)
halts the CPU
no operation
operation
ix := ix+1
ix := ix-1
index
reg
DM(eaddr)
-
-
-
-
<< 1; ; a[0] := 0; C :=
direct addressing
indexed addressing
indexed addressing with immediate offset
indexed addressing with register offset
indexed addressing with index post-increment
indexed addressing with index post-increment by the offset
indexed addressing with index pre-decrement
indexed addressing with index pre-decrement by the offset
and will simultaneously execute the index operation.
3-6
reg[7]
DM(eaddr)[7]
eaddr
XE8801A – SX8801R
in an instruction of Table 3-4
www.semtech.com
CC
in this
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