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D12320VF25V Datasheet, PDF (39/1146 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/2319 F-
ZTAT, and H8S/2319C F-ZTAT)
CPU
Operating
Mode Mode
Description
External Data Bus
On-Chip Initial Maximum
ROM Value Value
1*1 —
—
—
—
—
2*2
3*2
4*3 Advanced On-chip ROM disabled Disabled 16 bits 16 bits
expansion mode
5*3
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. User boot mode in the H8S/2319C F-ZTAT. For user boot mode in
the H8S/2319C F-ZTAT, see table 17.52.
2. Boot mode in the H8S/2319 F-ZTAT and H8S/2319C F-ZTAT.
For boot mode in the H8S/2319 F-ZTAT, see table 17.30. Also
see table 17.30, for information on user program mode.
For boot mode in the H8S/2319C F-ZTAT, see table 17.52. Also
see table 17.52, for information on user program mode.
3. The ROMless version can use only modes 4 and 5.
• Built-in duty correction circuit
Rev.7.00 Feb. 14, 2007 page 5 of 1108
REJ09B0089-0700