SH7041A datasheet(767/923 Pages) RENESAS

Part #	SH7041A

Description	Renesas 32-Bit Single-Chip RISC Microprocessor SuperH RISC engine Family/SH7040 Series(CPU Core SH-2)

PDF	923 Pages

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Manufacturer	RENESAS [Renesas Technology Corp]

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Table 22.12 Commands of the Programmer Mode

Number

First Cycle

Second Cycle

Command Name

of Cycles Mode

Address Data

Mode

Address Data

Memory read mode

1+n

write

H'00

read

Dout

Auto-program mode

129

write

H'40

write

Din

Auto-erase mode

write

H'20

write

H'20

Status read mode

write

H'71

write

H'71

Notes: 1. In auto-program mode, 129 cycles are required for command writing by a simultaneous

128-byte write.

2. In memory read mode, the number of cycles depends on the number of address write

cycles (n).

22.11.3

Memory Read Mode

Table 22.13 AC Characteristics in Transition to Memory Read Mode

(Conditions: V

CC = 5.0 V ±10%, VSS = 0 V, Ta = 25°C ±5°C)

Item

Symbol

Min

Max

Unit

Notes

Command write cycle

nxtc

µs

CE hold time

ceh

0ns

CE setup time

ces

0ns

Data hold time

Data setup time

Write pulse width

wep

WE rise time

WE fall time

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