HD6475328-CP10 HITACHI [Hitachi Semiconductor], HD6475328-CP10 Datasheet - Page 39

• Manufacturer Part Number: HD6475328-CP10
• Description: original Hitachi CMOS microcomputer unit (MCU)
• Manufacturer: HITACHI [Hitachi Semiconductor]

Table 1-4 Pin Functions (cont)
Type
Interrupt
Operating MD
mode
control
Symbol CG-84 FP-80A
NMI
IRQ
IRQ
MD
MD
2
1
0
0
1
CP-84,
22
8
9
19
18
17
Pin No.
11
77
78
8
7
6
I/O Name and Function
I
I
I
NonMaskable Interrupt: Highest-signals priority
interrupt request. The port 1 control register (P1CR)
determines whether the interrupt is requested on the
rising or falling edge of the NMI input.
Interrupt Request 0 and 1: Maskable interrupt
request pins.
Mode: Input pins for setting the MCU operating
mode according to the table below.
MD
0
0
0
0
1
1
1
1
The inputs at these pins are latched in mode select
bits 2 to 0 (MDS2 – MDS0) of the mode control
register (MDCR) on the rising edge of the RES
signal.
18
2
MD
0
0
1
1
0
0
1
1
1
MD
0
1
0
1
0
1
0
1
0
Mode
Mode 0 —
Mode 1 Expanded minimum mode
Mode 2 Expanded minimum mode
Mode 3 Expanded maximum mode
Mode 4 Expanded maximum mode
Mode 5 —
Mode 6 —
Mode 7 Single-chip mode
Description
(ROM disabled)
(ROM enabled)
(ROM disabled)
(ROM enabled)