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M3062PT2-EPB User’s Manual 4. Hardware Specifications
R20UT0211EJ0300 Aug 16, 2012 Page 75 of 104
Rev.3.00
(2) Multiplex Bus Timing
Table 4.3 and Figure 4.2 show the bus timing in memory expansion mode and microprocessor mode (2-wait, accessing
external area, using multiplex bus).
Table 4.3 Memory expansion mode and microprocessor mode (2-wait, accessing external area, using multiplex bus)
Actual MCU
[ns]
This product
[ns]
Symbol Item
Min. Max. Min. Max.
td(BCLK-AD) Address output delay time 25 See left
th(BCLK-AD) Address output hold time (BCLK standard) 4 See left
th(RD-AD) Address output hold time (RD standard) (*1) (*4)
th(WR-AD) Address output hold time (WR standard) (*1) (*4)
td(BCLK-CS) Chip-select output delay time 25 See left
th(BCLK-CS) Chip-select output hold time (BCLK standard) 4 See left
th(RD-CS) Chip-select output hold time (RD standard) (*1) (*4)
th(WR-CS) Chip-select output hold time (WR standard) (*1) (*4)
td(BCLK-RD) RD signal output delay time 25 See left
th(BCLK-RD) RD signal output hold time 0 See left
td(BCLK-WR) WR signal output delay time 25 See left
th(BCLK-WR) WR signal output hold time 0 See left
td(BCLK-DB) Data output delay time (BCLK standard) 40 See left
th(BCLK-DB) Data output hold time (BCLK standard) 4 See left
td(DB-WR) Data output delay time (WR standard) (*2) See left
th(WR-DB) Data output hold time (WR standard) (*1) (*4)
td(BCLK-ALE) ALE output delay time (BCLK standard) 25 See left
th(BCLK-ALE) ALE output hold time (BCLK standard) -4 See left
td(AD-ALE) ALE output delay time (Address standard) (*3) See left
th(ALE-AD) ALE output hold time (Address standard) 30 See left
td(AD-RD) After address RD signal output delay time 0 See left
td(AD-WR) After address WR signal output delay time 0 See left
tdz(RD-AD) Address output floating start time 8 15
*1 Calculated by the following formula according to the frequency of BCLK.
)(
105.0
9
BCLKf
[ns]
*2 Calculated by the following formula according to the frequency of BCLK.

40
)(
105.0
9
BCLKf
n
[ns] n: "2" for 2 wait
*3 Calculated by the following formula according to the frequency of BCLK.
25
)(
105.0
9
BCLKf
[ns]
*4 Calculated by the following formula according to the frequency of BCLK.
12
)(
105.0
9
BCLKf
[ns]
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