Z8F6421AN00ZEM Zilog, Z8F6421AN00ZEM Datasheet - Page 167
Z8F6421AN00ZEM
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
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Table 70. I
Table 71. I
PS019921-0308
BITS
FIELD
RESET
R/W
ADDR
BITS
FIELD
RESET
R/W
ADDR
I
2
C Status Register
2
2
C Data Register (I2CDATA)
C Status Register (I2CSTAT)
TDRE
7
7
1
The Read-only I
TDRE—Transmit Data Register Empty
When the I
When this bit is set, an interrupt is generated if the TXI bit is set, except when the I
Controller is shifting in data during the reception of a byte or when shifting an address and
the RD bit is set. This bit is cleared by writing to the I2CDATA register.
RDRF—Receive Data Register Full
This bit is set = 1 when the I
byte of data. When asserted, this bit causes the I
This bit is cleared by reading the I
cution of the On-Chip Debugger’s Read Register command).
ACK—Acknowledge
This bit indicates the status of the Acknowledge for the last byte transmitted or received.
When set, this bit indicates that an Acknowledge occurred for the last byte transmitted or
received. This bit is cleared when IEN = 0 or when a Not Acknowledge occurred for the
last byte transmitted or received. It is not reset at the beginning of each transaction and is
not reset when this register is read.
RDRF
2
6
6
C Controller is enabled, this bit is 1 when the I
2
C Status register
ACK
5
5
2
C Controller is enabled and the I
2
10B
(Table
C Data register (unless the read is performed using exe-
4
4
DATA
F50H
F51H
R/W
R
71) indicates the status of the I
0
RD
3
3
0
2
C Controller to generate an interrupt.
Z8 Encore! XP
TAS
2
2
2
C Data register is empty.
2
C Controller has received a
Product Specification
DSS
1
1
®
2
C Controller.
F64XX Series
I2C Controller
NCKI
2
0
0
C
153
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