HD6417615 Hitachi Semiconductor, HD6417615 Datasheet - Page 64

• Manufacturer Part Number: HD6417615
• Description: Hardware Manual
• Manufacturer: Hitachi Semiconductor

Table 2.4
Register
A0, A1
A0G, A1G
X0, X1, Y0,
Y1, M0, M1
Note: * The sign is extended and stored in the ALU’s guard bits.
46
Source Register Data Formats for DSP Instructions
DSP
operation
Data
transfer
Data
transfer
DSP
operation
Data
transfer
Instruction
Fixed decimal,
PDMSB,
PSHA
Integer
Logic, PSHL,
PMULS
MOVX.W,
MOVY.W,
MOVS.W
MOVS.L
MOVS.W
MOVS.L
Fixed decimal,
PDMSB,
PSHA
Integer
Logic, PSHL,
PMULS
MOVS.W
MOVS.L
Guard Bits
39–32
40-bit data
24-bit data
—
Data
Sign*
—
31–16
16-bit data
32-bit data
—
32-bit data
16-bit data
32-bit data
Register Bits
15–0
—
—
—