EZ80190AZ050EG Zilog, EZ80190AZ050EG Datasheet - Page 143

• Manufacturer Part Number: EZ80190AZ050EG
• Description: IC WEBSERVER 50MHZ XTEMP 100LQFP
• Manufacturer: Zilog

Specifications of EZ80190AZ050EG

• Processor Type: eZ80
• Features: High Speed, Single-Cycle Instruction-Fetch
• Speed: 50MHz
• Voltage: 3.3V
• Mounting Type: Surface Mount
• Package / Case: 100-LQFP
• Processor Series: EZ80190x
• Core: eZ80
• Data Bus Width: 8 bit
• Program Memory Type: ROMLess
• Data Ram Size: 8 KB
• Interface Type: I2C, IrDA, SPI, UART
• Maximum Clock Frequency: 50 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 6
• Operating Supply Voltage: 3 V to 3.6 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: 0 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 269-3865; EZ80190AZ050EG

PS006614-1208
MACC Accumulator Byte 1 Register
Table 69. MACC Accumulator Byte 1Register
MACC Accumulator Byte 2 Register
Table 70. MACC Accumulator Byte 2 Register
Bit
Position
[7:0]
MACC_AC0
Bit
Reset
CPU Access
Note: X = Undefined; R/W = Read/Write.
Bit
Position
[7:0]
MACC_AC1
Bit
Reset
CPU Access
Note: X = Undefined; R/W = Read/Write.
Bit
Position
[7:0]
MACC_AC2
The MACC_AC1 register, listed in
mulator.
The MACC_AC2 register, listed in
Accumulator.
Value Description
00h–
FFh
Value Description
00h–
FFh
Value Description
00h–
FFh
R/W
R/W
X
X
7
7
MACC Accumulator bits 7:0.
MACC Accumulator bits 15:8.
MACC Accumulator bits 23:16.
R/W
R/W
X
X
6
6
R/W
R/W
Table
Table
X
X
5
5
69, contains bits 15:8 of the 40-bit MACC Accu-
70, contains bits 23:16 of the 40-bit MACC
R/W
R/W
X
X
4
4
R/W
R/W
X
X
3
3
(MACC_AC1 = E9h)
(MACC_AC2 = EAh)
R/W
R/W
X
X
2
2
Product Specification
R/W
R/W
X
X
1
1
Multiply-Accumulator
R/W
R/W
X
X
0
0
eZ80190
133