8XC196MC, MD, MH USER’S MANUAL

Figure 16-11 shows the timings of the dump word command. PROG# governs when the device drives the bus. The timings before the dump word command are the same as those shown in Fig- ure 16-9. In the dump word mode, the AINC# pin can remain active and toggling. The PROG# pin automatically increments the address.

RESET#

 

 

 

 

 

TSHLL

 

 

 

 

 

ADDR1

 

ADDR2

PBUS

ADDR/COMMAND

Word Dump

 

Word Dump

(Ports 3/4)

 

 

 

 

 

 

T

T

T

TPHDX

 

PLDV

PHDX

PLDV

 

PALE#

 

 

 

 

PROG#

 

 

 

 

 

TILPL

TPHPL

 

 

 

 

 

 

AINC#

 

 

 

 

 

 

 

 

A0122-02

Figure 16-11. Dump Word Waveform

16.8.5 Timing Mnemonics

Table 16-10 defines the timing mnemonics used in the program word and dump word waveforms. The datasheets include timing specifications for these signals.

Table 16-10. Timing Mnemonics

MnemonicDescription

TSHLL

Reset High to First PALE# Low.

TLLLH

PALE# Pulse Width.

TAVLL

Address Setup Time.

TLLAX

Address Hold Time.

TPLDV

PROG# Low to Word Dump Valid.

TPHDX

Word Dump Data Hold.

TDVPL

Data Setup Time.

TPLDX

Data Hold Time.

TPLPH

PROG# Pulse Width.

TPHLL

PROG# High to Next PALE# Low.

TLHPL

PALE# High to PROG# Low.

16-24

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Intel 8XC196MC, 8XC196MD, 8XC196MH manual Timing Mnemonics, MnemonicDescription