EZ80F91MCU ZILOG [Zilog, Inc.], EZ80F91MCU Datasheet - Page 332

• Manufacturer Part Number: EZ80F91MCU
• Description: eZ80Acclaim-TM Flash Microcontrollers
• Manufacturer: ZILOG [Zilog, Inc.]

Table 203. OCI Pins (Continued)
PS019209-0504
Symbol
TDO
TRIGOUT
JTAG Boundary Scan
Name
Data Out
Trigger Output
Introduction
This section describes coverage, implementation, and usage of the eZ80F91
boundary scan register based on the Joint Test Action Group (JTAG) standard. A
working knowledge of the IEEE 1149.1 specification, particularly Clause 11, is
assumed.
Pin Coverage
All pins are included in the boundary scan chain, except for the following:
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
TCK
TMS
TDI
TDO
TRSTN
V
V
PLL_V
PLL_V
RTC_V
X
X
RTC_X
RTC_X
LOOP_FILT
DD
SS
IN
OUT
DD
SS
DD
IN
OUT
Type
Output
Output
P R E L I M I N A R Y
Description
The output data changes on the falling edge of the
TCK signal.
Generates an active High trigger pulse when valid
OCI trigger events occur. Output is tristate when no
data is being driven out.
Product Specification
On-Chip Instrumentation
eZ80F91 MCU
313