7733 datasheet(932/940 Pages) RENESAS

932 / 940 page

7733/7735/7736 Group User’s Manual

Term

Meaning

Relevant term

verb

noun

verb

noun

verb/

noun

verb/

noun

verb

noun

Access

Count up/Countup

Count down

/Countdown

Internal area

Prefetch

External area

Scan output

Stop mode

/Wait mode

MSB first

LSB first

Means one of the following: reading out, writing to,

and both of them.

An accessible memory area. Its capacity is one of the

following; a maximum of 16 Mbytes (for the 7733 Group

or external bus mode A of the 7736 Group) and a

maximum of 1 Mbytes (for the 7735 Group or external

bus mode B of the 7736 Group).

Indicates whether accessible or not.

Means moving the program’s execution point (in other

words, address) to another location regardless of con-

ditions.

____

A generic name for ALE, E, RDE, WEL, WEH, RDY,

_____

HOLD

, HLDA, BYTE, and RSMP signals

Means decrementing by 1 and counting.

A signal which is counted by timers A, B, BRG, and

the watchdog timer. It is f2, f16, f64, or f512, which is

selected by the count source selection bits, etc.

Means incrementing by 1 and counting.

A value which can be read out when the timer Ai (Bi)

is the reloaded value (“n”), and not “FFFF16” or “000016.”

Chip select signal (for the 7735 Group or external bus

mode B of the 7736 Group)

Timer which correctly counts the number of external

pulses without using a divider

An accessible area for external devices.

It has a capacity of 1 Mbytes.

A generic name for the external address bus and the

external data bus

A device connected externally to the microcomputer.

A generic name for a memory, an I/O, and a periph-

eral IC.

Means taking an op-code and operand from an

instruction queue buffer into the CPU.

A function which allows the user to control the count

source input of a timer

An accessible internal area.

A generic name for areas of the internal RAM, inter-

nal ROM, and SFR.

A routine which is automatically executed when an

interrupt request is accepted. Set the start address

of this routine into the interrupt vector table.

An interrupt which is generated by a key input

Switches which are arranged in lattice-like form

A function which terminates the stop or the wait

mode by using the key input

A kind of data transfer format of serial I/O. It means

transferring LSB (in other words, the least significant

bit) first.

A clock which is input from pin XIN

A kind of data transfer format of serial I/O. It means

transferring MSB (in other words, the most significant

bit) first.

Access

Accessible area

Access characteristics

Branch

Bus control signal

Count down

/Countdown

Count source

Count up/Countup

Counter

contents(value)

___

Event counter

External area

External bus

External device

Fetch

Gate function

(of timer)

Internal area

Interrupt routine

Key input interrupt

Key matrix

Key-on wakeup

LSB first

Main clock

MSB first

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