ZLF645E0H2864G00TR Maxim Integrated, ZLF645E0H2864G00TR Datasheet - Page 47
ZLF645E0H2864G00TR
Manufacturer Part Number
ZLF645E0H2864G00TR
Description
8-bit Microcontrollers - MCU Crimzon Flash Infrared MCU
Manufacturer
Maxim Integrated
Datasheet
1.ZLF645E0H4864G2204.pdf
(201 pages)
Specifications of ZLF645E0H2864G00TR
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
Package / Case
SSOP-28
Mounting Style
SMD/SMT
Interface Type
UART
Maximum Operating Temperature
+ 70 C
Minimum Operating Temperature
0 C
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 21. Port 4 Mode Register (P4M)
PS026408-1208
Bit
Field
Reset
R/W
Address
Bit Position
[7]
[6]
[5]
[4]
[3]
[2]
[1]
[0]
Port 4 Mode Register
Note:
Definition
P47 I/O
The Port 4 Mode register (see
Bit 3 of the Port Configuration register (PCON) determines whether the output drive is
push/pull or open-drain.
Port 4 Mode register is not reset after a Stop Mode Recovery.
Value
W
7
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Definition
P46 I/O
Description
Defines P47 as output.
Defines P47 as input.
Defines P46 as output.
Defines P46 as input.
Defines P45 as output.
Defines P45 as input.
Defines P44 as output.
Defines P44 as input.
Defines P43 as output.
Defines P43 as input.
Defines P42 as output.
Defines P42 as input.
Defines P41 as output.
Defines P41 as input.
Defines P40 as output.
Defines P40 as input.
W
6
1
Definition
P45 I/O
W
5
1
Bank F: 09h; Linear: F09h
Table
Definition
P44 I/O
W
4
1
21) determines the I/O direction of each bit on Port 4.
Definition
P43 I/O
W
3
1
Definition
P42 I/O
ZLF645 Series Flash MCUs
W
2
1
Product Specification
Definition
P41 I/O
Port 4 Mode Register
W
1
1
Definition
P40 I/O
W
0
1
39
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