ZLF645S2864GP0001 Maxim Integrated, ZLF645S2864GP0001 Datasheet - Page 41

• Manufacturer Part Number: ZLF645S2864GP0001
• Description: 8-bit Microcontrollers - MCU Crimzon Flash Infrared MCU
• Manufacturer: Maxim Integrated

Specifications of ZLF645S2864GP0001

• 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

Table 16. Port 1 Register (P1)
PS026408-1208
Bit
Field
Reset
R/W
Address
Note: For package types other than the 48-pin package, this register is available as a general-purpose register.
Bit Position
[7:0]
Note: For packages other than 48-pin package, this register is available as general-purpose register.
Port 1 Register
The Port 1 register (see
R/W
Value
P17
Read
Write
X
7
0
1
0
1
Description
Port 1 Pins 7–0—Each bit provides access to the corresponding Port 1 pin.
Pin configured as input or output in P01M register.
Pin level is Low.
Pin level is High.
Pin configured as output in P01M register.
Assert pin Low.
Assert pin High, if configured as push-pull; make pin high-impedance if it is
open-drain.
R/W
P16
X
6
R/W
P15
Table
X
5
Bank 0–3: 01h; Linear: 001h
16) allows read and write access to the Port 1 pins.
R/W
P14
X
4
R/W
P13
X
3
ZLF645 Series Flash MCUs
R/W
P12
X
2
Product Specification
R/W
P11
X
1
Port 1 Register
R/W
P10
0
X
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