Z8F6421AN00ZEM Zilog, Z8F6421AN00ZEM Datasheet - Page 47

• Manufacturer Part Number: Z8F6421AN00ZEM
• Description: KIT ICE Z8 ENCORE 64K 44LQFP
• Manufacturer: Zilog
• Series: Z8 Encore!®r
• Type: In-Circuit Emulator Systemr

Specifications of Z8F6421AN00ZEM

• Contents: Emulator Board, Cables, Software and Documentation
• For Use With/related Products: Z8 Encore! 44-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 269-3392

I
I2CSTAT (F51H - Read Only)
PS019921-0308
D7 D6 D5 D4 D3 D2 D1 D0
2
C Status
NACK Interrupt
0 = No action required to service
NAK
1 = START/STOP not set after NAK
Data Shift State
0 = Data is not being transferred
1 = Data is being transferred
Transmit Address State
0 = Address is not being transferred
1 = Address is being transferred
Read
0 = Write operation
1 = Read operation
10-Bit Address
0 = 7-bit address being transmitted
1 = 10-bit address being transmitted
Acknowledge
0 = Acknowledge not
1 = For last byte, Acknowledge was
Receive Data Register Full
0 = I2C has not received data
1 = Data register contains received
data
Transmit Data Register Empty
0 = Data register is full
1 = Data register is empty
transmitted/received
transmitted/received
I
I2CCTL (F52H - Read/Write)
I2C Baud Rate Generator High Byte
I2CBRH (F53H - Read/Write)
I2C Baud Rate Generator Low Byte
I2CBRL (F54H - Read/Write)
D7 D6 D5 D4 D3 D2 D1 D0
D7 D6 D5 D4 D3 D2 D1 D0
D7 D6 D5 D4 D3 D2 D1 D0
2
C Control
Z8 Encore! XP
I2C Signal Filter Enable
0 = Digital filtering disabled
1 = Low-pass digital filters enabled
Flush Data
0 = No effect
1 = Clears I2C Data register
Send NAK
0 = Do not send NAK
1 = Send NAK after next byte
received
Enable TDRE Interrupts
0 = Do not generate an interrupt
when
1 = Generate an interrupt when the
I2C
Baud Rate Generator Interrupt
0 = Interrupts behave as set by I2C
1 = BRG generates an interrupt
when
Send Stop Condition
0 = Do not issue Stop condition after
1 = Issue Stop condition after data
Send Start Condition
0 = Do not send Start Condition
1 = Send Start Condition
I2C Enable
0 = I2C is disabled
1 = I2C is enabled
I2C Baud Rate divisor [15:8]
I2C Baud Rate divisor [7:0]
Product Specification
the I2C Data register is empty
Transmit Data register is empty
control
it counts down to zero
data transmission is complete
transmission is complete
on SDA and SCL input signals
from slave
Control Register Summary
®
F64XX Series
33