z8f0822 ZiLOG Semiconductor, z8f0822 Datasheet - Page 36

• Manufacturer Part Number: z8f0822
• Description: High Performance 8-bit Microcontrollers
• Manufacturer: ZiLOG Semiconductor

UART0 Status 1
U0STAT1 (F44H- Read Only)
D7 D6 D5 D4 D3 D2 D1 D0
UART0 Address Compare
U0ADDR (F45H - Read/Write)
D7 D6 D5 D4 D3 D2 D1 D0
UART0 Baud Rate Generator High Byte
U0BRH (F46H - Read/Write)
D7 D6 D5 D4 D3 D2 D1 D0
UART0 Baud Rate Generator Low Byte
U0BRL (F47H - Read/Write)
D7 D6 D5 D4 D3 D2 D1 D0
I2C Data
I2CDATA (F50H - Read/Write)
D7 D6 D5 D4 D3 D2 D1 D0
PS022517-0508
Mulitprocessor Receive
multiprocessor bit
New Frame
of frame
new frame
Reserved
UART0 Address Compare
UART0 Baud Rate divisor
UART0 Baud Rate divisor
I2C data [7:0]
Returns value of last
0 = Current byte is not start
1 = Current byte is start of
I2C Status
I2CSTAT (F51H - Read Only)
D7 D6 D5 D4 D3 D2 D1 D0
Z8 Encore! XP
NACK Interrupt
service NAK
after NAK
Data Shift State
transferred
Transmit Address State
transferred
transferred
Read
10-Bit Address
transmitted
transmitted
Acknowledge
Acknowledge was
Receive Data Register Full
data
received data
Transmit Data Register Empty
0 = No action required to
1 = START/STOP not set
0 = Data is not being
1 = Data is being transferred
0 = Address is not being
1 = Address is being
0 = Write operation
1 = Read operation
0 = 7-bit address being
1 = 10-bit address being
0 = Acknowledge not
1 = For last byte,
0 = I2C has not received
1 = Data register contains
0 = Data register is full
1 = Data register is empty
Product Specification
transmitted/received
transmitted/received
Control Register Summary
®
F0822 Series
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