upd44645182af5-fq1-a Renesas Electronics Corporation., upd44645182af5-fq1-a Datasheet - Page 28

• Manufacturer Part Number: upd44645182af5-fq1-a
• Description: 72m-bit Qdrtm Ii Sram 2-word Burst Operation
• Manufacturer: Renesas Electronics Corporation.

Boundary Scan Register Status of Output Pins CQ, CQ# and Q
Remark
28
EXTEST
IDCODE
SAMPLE-Z
SAMPLE
BYPASS
Instructions
The Boundary Scan Register statuses during execution each
instruction vary according to the instruction code and SRAM
operation mode.
There are two statuses:
Pad
Internal : Contents of the SRAM internal output “SRAM
: Contents of the output pin (QDR Pad) are captured
in the “CAPTURE Register” in the Boundary Scan
Register.
Output” are captured in the “CAPTURE Register”
in the Boundary Scan Register.
READ (Low-Z)
READ (Low-Z)
READ (Low-Z)
READ (Low-Z)
READ (Low-Z)
NOP (High-Z)
NOP (High-Z)
NOP (High-Z)
NOP (High-Z)
NOP (High-Z)
SRAM Status
Preliminary Data Sheet M19958EJ1V0DS
μ
PD44645092A-A, 44645182A-A, 44645362A-A
CQ,CQ#
Internal
Internal
Boundary Scan Register Status
Pad
Pad
Pad
Pad
–
–
–
–
Pad
Internal
Pad
Pad
Pad
Pad
Pad
QDR
Q
–
–
–
–
Pad
Boundary Scan
Register
CAPTURE
Register
Register
Update
JTAG ctrl
High-Z
Output
SRAM
Driver
No definition
No definition
Note
Internal
SRAM
Output