ZLF645S2864GP0001T Maxim Integrated, ZLF645S2864GP0001T Datasheet - Page 168
ZLF645S2864GP0001T
Manufacturer Part Number
ZLF645S2864GP0001T
Description
8-bit Microcontrollers - MCU Crimzon Flash Infrared MCU
Manufacturer
Maxim Integrated
Datasheet
1.ZLF645E0H4864G2204.pdf
(201 pages)
Specifications of ZLF645S2864GP0001T
Core
Z8
Data Bus Width
8 bit
Maximum Clock Frequency
8 MHz
Program Memory Size
64 KB
Data Ram Size
1 KB
Operating Supply Voltage
2 V to 3.6 V
Interface Type
UART
Number Of Programmable I/os
5
Number Of Timers
2 x 8 bit, 1 x 16 bit
Processor Series
ZLF645
Program Memory Type
Flash
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Table 76. Flags Register (FLAGS)
19-4572; Rev 0; 4/09
Bit
Field
Reset
R/W
Address
Bit Position
[7]
[6]
[5]
[4]
Flags Register
R/W
Table 75. Additional Symbols (Continued)
The Flags register (see
bits of status information.
Symbol
~
C
X
Value
7
0
1
0
1
0
1
0
1
Description
Carry Flag (C)
Set when the result of an arithmetic operation generates a carry out of or a
borrow into the high-order bit (bit 7) of the result. Also used in rotate and shift
instructions.
Flag Clear
Flag Set
Zero Flag (Z)
Set when the result of an arithmetic operation is 0.
Flag Clear
Flag Set
Sign Flag (S)
Stores the value of the most significant bit (msb) following an arithmetic, logical,
rotate, or shift instruction.
Flag Clear
Flag Set
Overflow Flag (O)
Set when the result of an arithmetic operation is greater than 127.
Flag Clear
Flag Set
R/W
X
6
Z
Definition
Exchange of two values
One’s complement unary operator
R/W
Table
Bank Independent: FCh; Linear: 0FCh
S
X
5
76) informs the current status of the Z8
R/W
O
X
4
R/W
D
X
3
ZLF645 Series Flash MCUs
R/W
H
X
2
Product Specification
®
CPU. It contains six
R/W
F1
X
1
Flags Register
R/W
F2
X
0
160
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