ZLF645E0H2864G Zilog, ZLF645E0H2864G Datasheet - Page 40

• Manufacturer Part Number: ZLF645E0H2864G
• Description: IC MCU 64K FLASH 1K RAM 28-SSOP
• Manufacturer: Zilog
• Series: Crimzon™ ZLFr

Specifications of ZLF645E0H2864G

• Core Processor: Z8 LXMC
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: UART/USART
• Peripherals: Brown-out Detect/Reset, HLVD, POR, WDT
• Number Of I /o: 24
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 1.9 V ~ 3.6 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 28-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Oscillator Type: -
• Other names: 269-4719

Table 15. Port 0 Register (P0)
PS026407-0408
Bit
Field
Reset
R/W
Address
Bit Position
[7]
[6:0]
Port 0 Register
Note:
The Port 0 register (see
R/W
Only P00, P01, and P07 are available for ZLF645 Flash MCU 20-pin configuration.
P07
Read
Read
Write
Write
R/W
X
7
0
1
0
1
0
1
0
1
Description
Port 0 Pin 7—Available for I/O if UART Tx is disabled.
Pin configured as input or output in P01M register.
Pin level is Low.
Pin level is High.
Pin configured as output in P01M register, UCTL[7]=0.
Assert pin Low.
Assert pin High if configured as push-pull; make pin high-impedance if it is
open-drain.
Port 0 Pins 6–0—Each bit provides access to the corresponding Port 0 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
P06
X
6
R/W
P05
Table
X
5
Bank 0–3: 00h; Linear: 000h
15) allows read and write access to the Port 0 pins.
R/W
P04
X
4
R/W
P03
X
3
ZLF645 Series Flash MCUs
R/W
P02
X
2
Product Specification
R/W
P01
X
1
Port 0 Register
R/W
P00
X
0
32