HD6435348R Hitachi Semiconductor, HD6435348R Datasheet - Page 40

• Manufacturer Part Number: HD6435348R
• Description: Single-Chip Microcomputer
• Manufacturer: Hitachi Semiconductor

Table 1-4 Pin Functions (cont)
Type
Interrupt NMI
OperatingMD
mode
control
Symbol
IRQ
IRQ
IRQ
IRQ
IRQ
IRQ
MD
MD
2
1
0
0
1
2
3
4
5
CG-84 TFP-80C
22
8
9
51
52
53
54
19
18
17
CP-84, FP-80A,
Pin No.
11
77
78
38
39
40
41
8
7
6
I/O
I
I
I
NonMaskable Interrupt: Highest-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 must not be changed
while the chip is operating.
Name and Function
19
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
Mode 2
Mode 3
Mode 4
Mode 5
Mode 6
Mode 7
Description
—
Expanded minimum
mode (ROM disabled)
Expanded minimum
mode (ROM enabled)
Expanded maximum
mode (ROM disabled)
Expanded maximum
mode (ROM enabled)
—
—
Single-chip mode