ez80190 ZiLOG Semiconductor, ez80190 Datasheet - Page 147

• Manufacturer Part Number: ez80190
• Description: Ez80190 Microprocessor
• Manufacturer: ZiLOG Semiconductor

PS006613-0306
Bit
Reset
CPU Access
Note: X = Undefined; R/W = Read/Write.
Bit
Position
[7:0]
MACC_AC2
Bit
Reset
CPU Access
Note: X = Undefined; R/W = Read/Write.
Bit
Position
[7:0]
MACC_AC3
MACC Accumulator Byte 2 Register
The MACC_AC2 register, indicated in
MACC Accumulator.
MACC Accumulator Byte 3 Register
The MACC_AC3 register, indicated in
MACC Accumulator.
Table 70. MACC Accumulator Byte 2 Register
Table 71. MACC Accumulator Byte 3 Register
Value Description
00h–
FFh
Value Description
00h–
FFh
R/W
R/W
X
X
7
7
MACC Accumulator bits 23:16.
MACC Accumulator bits 31:24.
(MACC_AC2 = EAh)
(MACC_AC3 = EBh)
R/W
R/W
X
X
6
6
PRELIMINARY
R/W
R/W
X
X
5
5
Table
Table
R/W
R/W
X
X
4
4
70, contains bits 23:16 of the 40-bit
71, contains bits 31:24 of the 40-bit
R/W
R/W
X
X
3
3
eZ80190 Product Specification
R/W
R/W
X
X
2
2
R/W
R/W
X
X
1
1
Multiply-Accumulator
R/W
R/W
X
X
0
0
133