HD6433713 datasheet(174/324 Pages) RENESAS

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Bit 7: Timer E output select (TEO)

Bit 6: Timer E output on/off (TEO ON)

Bit 5: Fixed frequency select (FREQ)

Bit 4: Variable frequency select (VRFR)

P15/IRQ5/TMOE pin functions are switched as follows, by means of bits 7 to 4 of PMR4 and bit

IRQC5 of port mode register 1 (PMR1).

PMR1

PMR4

Description

Bit 5

Bit 7

Bit 6

Bit 5

Bit 4

IRQC5

TEO

TEO ON FREQ

VRFR

Pin Function

Pin State

00000

P15 pin

Standard I/O port (initial value)

***

P15 pin

Standard I/O port

010

TMOE output pin Low-level output

(off)

01100

TMOE output pin Fixed-frequency output:

(on)

(

φ/2048)

1.95 kHz (

φ = 4 MHz)

0.98 kHz (

φ = 2 MHz)

01110

TMOE output pin Fixed-frequency output:

(on)

(

φ/1024)

3.9 kHz (

φ = 4 MHz)

1.95 kHz (

φ = 2 MHz)

011

TMOE output pin Variable-frequency output:

(on)

toggled by timer E overflow

****

IRQ5 input pin

External interrupt input

Note: * Don’t care.

Bits 3 to 0: Reserved bits

Bits 3 to 0 are reserved; they always read 1, and cannot be modified.

163

HD6433713 Datasheet(PDF) 174 Page - Renesas Technology Corp

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