ZLF645E0Q2032G Maxim Integrated, ZLF645E0Q2032G Datasheet - Page 48

• Manufacturer Part Number: ZLF645E0Q2032G
• Description: 8-bit Microcontrollers - MCU Crimzon Flash Infrared MCU
• Manufacturer: Maxim Integrated

Specifications of ZLF645E0Q2032G

• Core: Z8
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 8 MHz
• Program Memory Size: 32 KB
• Data Ram Size: 1 KB
• On-chip Adc: No
• Operating Supply Voltage: 2 V to 3.6 V
• Package / Case: QFN-EP-20
• 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
• On-chip Dac: No
• Processor Series: ZLF645
• Program Memory Type: Flash
• Supply Voltage - Max: 3.6 V
• Supply Voltage - Min: 2 V

Table 22. Port 4 Register (P4)
PS026408-1208
Bit
Field
Reset
R/W
Address
Bit Position
[7:0]
Port 4 Register
Value
The Port 4 register (see
R/W
Read
Write
P47
X
7
0
1
0
1
Description
Port 4 Pins 7–0—Each bit provides access to the corresponding Port 4 pin.
Pin configured as input or output in P4M register.
Pin level is Low.
Pin level is High.
Pin configured as output in P4M register.
Assert pin Low.
Assert pin High if configured as push-pull; make pin high-impedance if it is
open-drain.
R/W
P46
X
6
R/W
P45
Table
X
5
Banks 0-3: 04h; Linear: 004h
22) allows read and write access to the Port 4 pins.
R/W
P44
X
4
R/W
P43
X
3
ZLF645 Series Flash MCUs
R/W
P42
X
2
Product Specification
R/W
P41
X
1
Port 4 Register
R/W
P40
0
X
40