L64724 LSI Logic Corporation, L64724 Datasheet - Page 278

• Manufacturer Part Number: L64724
• Description: Satellite Receiver
• Manufacturer: LSI Logic Corporation

E.1 L64724 Microcontroller Instruction Set
Table E.1
E-2
Mnemonic
CLA
LDALI
LDAMI
(Sheet 1 of 3)
L64724 C Instruction Set
Expansion
Clear Acc
Load Acc
Low
Immediate
Load Acc
Middle
Immediate
Figure E.1
Table E.1
L64724 On-chip Microcontroller
UPI Registers
Group 2 Interrupt Registers
Demod, FEC Configuration
Group 3 Status Registers
C Instructions = 256 x 12
C Configuration
Opcode
Group 4
Group 5
RAMtest
[11:8]
Group 6
0000
0001
0010
lists the instructions available in the C.
Registers Shared Between the Host uP and L64724 C
Host p
Immediate
Immediate
Datafield
8-bit data
8-bit data
xxxxxxxx
[7:0]
Description
Set accumulator value to all zero
Load immediate 8 bit data into accumula-
tor’s low byte (acc[7:0]). Other accumulator
bytes do not change.
Load immediate 8 bit data into accumula-
tor’s middle byte (acc[15:8]). Other
accumulator bytes do not change.
Virtual to Physical Mapping
12-bit instructions
8-bit datafield
4-bit opcode
L64724
C
31-255 = UPI Regs
0–31 = Scratchpad
C Registers
(All 8 Bits)