ZLF645E0H2864G00TR Maxim Integrated, ZLF645E0H2864G00TR Datasheet - Page 47

• Manufacturer Part Number: ZLF645E0H2864G00TR
• Description: 8-bit Microcontrollers - MCU Crimzon Flash Infrared MCU
• Manufacturer: Maxim Integrated

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

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
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