D12320VF25IV Datasheet, PDF (38/1304 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Section 1 Overview
Item
Operating modes
Clock pulse
generator
Specification
• Four MCU operating modes (ROMless, mask ROM versions, H8S/2329B
F-ZTAT)
CPU
Operating
Mode Mode
Description
External Data Bus
On-Chip Initial Maximum
ROM Value Value
1
—
—
—
—
—
2^*1
3^*1
4^*2 Advanced On-chip ROM disabled Disabled 16 bits 16 bits
expansion mode
5^*2
On-chip ROM disabled Disabled 8 bits 16 bits
expansion mode
6
On-chip ROM enabled Enabled 8 bits 16 bits
expansion mode
7
Single-chip mode
Enabled —
—
Notes: 1. Boot mode in the H8S/2329B F-ZTAT. See table 19.9, for
information on H8S/2329B F-ZTAT user boot modes. See table
19.9, for information on H8S/2329B F-ZTAT user program modes.
2. The ROMless versions can use only modes 4 and 5.
• Built-in duty correction circuit
Rev.6.00 Sep. 27, 2007 Page 6 of 1268
REJ09B0220-0600