ez80f91 ZiLOG Semiconductor, ez80f91 Datasheet - Page 271

• Manufacturer Part Number: ez80f91
• Description: Ez80 Acclaimplus!? Connectivity Assp Ez80f91 Assp
• Manufacturer: ZiLOG Semiconductor

Table 150. OCI Pins (Continued)
PS027001-0707
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 JTAG standard. A working knowledge of the IEEE 1149.1 spec-
ification, particularly Clause 11, is required.
Pin Coverage
All pins are included in the boundary scan chain, except 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
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 open-drain when
no data is being driven out.
Product Specification
On-Chip Instrumentation
eZ80F91 ASSP
263