ZLF645S0P2032G Zilog, ZLF645S0P2032G Datasheet - Page 97

• Manufacturer Part Number: ZLF645S0P2032G
• Description: Microcontrollers (MCU) 32K Flash 512B RAM 20 pin
• Manufacturer: Zilog

Specifications of ZLF645S0P2032G

• Data Bus Width: 8 bit
• Program Memory Type: Flash
• Program Memory Size: 32 KB
• Data Ram Size: 512 KB
• Interface Type: ICP, UART
• Maximum Clock Frequency: 8 MHz
• Number Of Programmable I/os: 16
• Number Of Timers: 3
• Maximum Operating Temperature: + 70 C
• Mounting Style: Through Hole
• Package / Case: PDIP-20
• Minimum Operating Temperature: 0 C
• Lead Free Status / Rohs Status: Details

Table 44. UART Receive/Transmit Data Register (URDATA/UTDATA)
Table 45. UART Status Register (UST)
PS026407-0408
Bit
Field
Reset
R/W
Address
Bit Position
[7:0]
Bit
Field
Reset
R/W
Address
Bit Position
[7]
UART Receive Data Register/UART Transmit Data Register
UART Status Register
Receive
Status
Description
UART Receive/Transmit
When read, returns received data.
When written, transmits written data.
R/W
R/W
The UART Receive/Transmit Data register (see
from the UART channel. When the UART receives a data byte, it can be read from this
register. The UART receive interrupt is cleared when this register is used. Data
written to this register is transmitted by the UART.
The UART Status register (see
cleared by reading the UART Receive/Transmit register (
Value
X
7
7
0
0
1
Description
Receive Status —Set when data is received; cleared when URDATA is read.
UART Receive Data register empty.
UART Receive Data register full.
Parity
Error
R/W
R/W
X
6
6
0
Overrun
Error
R/W
R/W
Bank Independent: F1h; Linear: 0F1h
Bank Independent: F2h; Linear: 0F2h
X
5
0
5
UART Receive/Transmit
Table
Framing
Error
R/W
R/W
X
4
4
0
45) displays the status of the UART. Bits [6:3] are
UART Receive Data Register/UART Transmit Data
Break
R/W
R/W
Table
X
3
3
0
44) is used to send and retrieve data
Transmit
F1h
ZLF645 Series Flash MCUs
Data
R/W
R/W
X
2
2
0
).
Product Specification
Complete
Transmit
R/W
R/W
X
1
1
1
Noise
Filter
R/W
R/W
X
0
0
0
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