HD6432621 Hitachi, HD6432621 Datasheet - Page 48

• Manufacturer Part Number: HD6432621
• Description: (HD64F262x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

Item
I/O ports
(H8S/2626 Series)
I/O ports
(H8S/2623 Series)
Memory
Interrupt controller
Power-down state
Operating modes
4
Specifications
Mode
4
5
6
7
51 input/output pins, 17 input-only pins
53 input/output pins, 17 input-only pins
Flash memory or masked ROM
High-speed static RAM
Seven external interrupt pins (NMI, IRQ0 to IRQ5)
Internal interrupt sources
H8S/2626: 48
H8S/2623: 47
Eight priority levels settable
Medium-speed mode
Sleep mode
Module stop mode
Software standby mode
Hardware standby mode
Subclock operation (H8S/2626 Series only)
Four MCU operating modes
Product Name
H8S/2626, H8S/2623
H8S/2625, H8S/2622
H8S/2624, H8S/2621
CPU Operating
Mode
Advanced
Description
On-chip ROM disabled
expansion mode
On-chip ROM disabled
expansion mode
On-chip ROM enabled
expansion mode
Single-chip mode
ROM
256 kbytes
128 kbytes
64 kbytes
On-Chip
ROM
Disabled
Disabled
Enabled
Enabled
RAM
12 kbytes
8 kbytes
4 kbytes
External Data Bus
Initial
Width
16 bits
8 bits
8 bits
—
Max.
Width
16 bits
16 bits
16 bits
—