H838532H datasheet(373/508 Pages) RENESAS

Part #	H838532H

Description	16-Bit Single-Chip Microcomputer H8 Family / H8/300H Super Low Power Series

PDF	508 Pages

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Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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373 / 508 page

Section 12 A/D Converter

Rev. 1.00 May 30, 2008 Page 353 of 484

REJ09B0436-0100

Bit 7: Clock select (CKS)

Bit 7 sets the A/D conversion speed.

Bit 7

Conversion Time (Active (High-Speed) Mode)*

CKS

Conversion Period

φ = 1 MHz

φ = 5 MHz

62/

φ (initial value)

62 µs

12.4 µs

31/

31 µs

—

Note:

For information on conversion time settings for which operation is guaranteed, see

section 16, Electrical Characteristics.

Bit 6: External trigger select (TRGE)

Bit 6 enables or disables the start of A/D conversion by external trigger input.

Bit 6

TRGE

Description

Disables start of A/D conversion by external trigger

(initial value)

Enables start of A/D conversion by rising or falling edge of external trigger at pin

ADTRG*

Note:

The external trigger (

ADTRG) edge is selected by bit IEG4 of IEGR. See (1) IRQ Edge

Select Register (IEGR) in section 3.3.2, Interrupt Control Registers, for details.

Bits 5 and 4: Reserved bits

Bits 5 and 4 are reserved; they are always read as 1, and cannot be modified.

H838532H Datasheet(PDF) 373 Page - Renesas Technology Corp