TMPR4937XBG-300 Toshiba, TMPR4937XBG-300 Datasheet - Page 118

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TMPR4937XBG-300

Manufacturer Part Number
TMPR4937XBG-300
Description
Manufacturer
Toshiba
Datasheet

Specifications of TMPR4937XBG-300

Family Name
TX49
Device Core Size
64b
Frequency (max)
300MHz
Instruction Set Architecture
RISC
Supply Voltage 1 (typ)
1.5V
Operating Supply Voltage (max)
1.6V
Operating Supply Voltage (min)
1.4V
Operating Temp Range
0C to 70C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
484
Package Type
BGA
Lead Free Status / Rohs Status
Compliant

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ACK*/READY
ACK*/READY (Input)
ADDR [19:0]
DATA [31:0]
SYSCLK
7.3.7.5
(Input)
ADDR [19:0]
OE*
CE*
DATA [31:0]
SYSCLK
OE*
CE*
Ready Input Timing
timing is the same as the ACK* input timing explained in 7.3.7.4 ACK* Input Timing (External
ACK Mode) with the two following exceptions.
The ACK*/Ready pin is used as a Ready input when in the Ready mode. The Ready input
Ready must be a High Active signal.
When in the Ready mode, the Wait cycle count specified by EBCCRn.PWT:WT must be
inserted in order to delay the Ready signal check (see 7.3.6.3 Ready Mode).
Figure 7.3.13 Ready Input Timing (Read Cycle)
Start Ready
Check
Acknowledge Ready
7-18
Chapter 7 External Bus Controller
Acknowledge Ready
2 clocks
Latch Data
2 clocks
EBCCRn.PWT:WT=2
EBCCRn.SHWT=0
EBCCRn.PWT:WT=2
EBCCRn.SHWT=0
Latch Data

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