Renesas H8S/2319 series Hardware Manual page 35

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
1
1 *
— —
2
2 *
2
3 *
3
4 *
Advanced On-chip ROM disabled
expansion mode
3
5 *
On-chip ROM disabled
expansion mode
On-chip ROM enabled
6
expansion mode
7 Single-chip mode
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 in section 17.24, On-
Board Programming Modes.
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 in
section 17.15, On-Board Programming Modes. Also see table 17-
30 in section 17.15, On-Board Programming Modes, for
information on user program mode.
For boot mode in the H8S/2319C F-ZTAT, see table 17-52 in
section 17.24, On-Board Programming Modes. Also see table 17-
52 in section 17.24, On-Board Programming Modes, for
information on user program mode.
3. The ROMless version can use only modes 4 and 5.
•
Built-in duty correction circuit
External Data Bus
On-Chip Initial
ROM Value
— —
Disabled 16 bits
Disabled 8 bits
Enabled 8 bits
Enabled —
Rev. 5.00, 12/03, page 5 of 1088
Maximum
Value
—
16 bits
16 bits
16 bits
—