ZLF645E0Q2064G Zilog, ZLF645E0Q2064G Datasheet - Page 42

• Manufacturer Part Number: ZLF645E0Q2064G
• Description: IC MCU 64K FLASH 1K RAM 20-QFN
• Manufacturer: Zilog
• Series: Crimzon™ ZLFr

Specifications of ZLF645E0Q2064G

• 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: 16
• 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: 20-VQFN Exposed Pad, 20-HVQFN, 20-SQFN, 20-DHVQFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Oscillator Type: -
• Other names: 269-4723

Table 17. Port 2 Mode Register (P2M)
PS026407-0408
Bit
Field
Reset
R/W
Address
Bit Position
[7]
[6]
[5]
[4]
[3]
[2]
[1]
[0]
Port 2 Mode Register
Note:
Definition
P27 I/O
The Port 2 Mode register (see
Bit 0 of the Port 3 Mode register determines whether the output drive is push/pull or
open-drain.
Port 2 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
Description
Defines P27 as output.
Defines P27 as input.
Defines P26 as output.
Defines P26 as input.
Defines P25 as output.
Defines P25 as input.
Defines P24 as output.
Defines P24 as input.
Defines P23 as output.
Defines P23 as input.
Defines P22 as output.
Defines P22 as input.
Defines P21 as output.
Defines P21 as input.
Defines P20 as output.
Defines P20 as input.
P26 I/O
W
6
1
Definition
P25 I/O
W
Bank Independent: F6h; Linear: 0F6h
5
1
Table
Definition
P24 I/O
W
17) determines the I/O direction of each bit on Port 2.
4
1
Definition
P23 I/O
W
3
1
Definition
P22 I/O
ZLF645 Series Flash MCUs
W
2
1
Product Specification
Definition
P21 I/O
Port 2 Mode Register
W
1
1
Definition
P20 I/O
W
0
1
34