HD6433308 Datasheet, PDF (27/349 Pages) Hitachi Semiconductor – Hitachi Single-Chip MicroComputer

1.3.2 Pin Functions
(1) Pin Assignments in Each Operating Mode: Table 1-2 lists the assignments of the pins of the
FP-80A, CP-84, and CG-84 packages in each operating mode.
The PROM mode is a non-operating mode used for programming the on-chip ROM. See section
13, “ROM” for details.
Table 1-2. Pin Assignments in Each Operating Mode (1)
Pin No.
CP-84 FP
CG-84 -80A
1
71
2
—
3
72
4
73
5
74
6
75
7
76
8
77
9
78
10
79
11
80
12
1
13
2
14
3
15
4
16
5
17
6
18
7
19
8
20
9
21
10
22
11
Single-chip mode (mode 3)
DPRAM
DPRAM
disabled
enabled
P36
DDB6
VSS
VSS
P37
DDB7
VSS
VSS
P80
RS0
P81
RS1
P82
RS2
P83
RS3
P84 / CTxD /IRQ3 P84 / CTxD /IRQ3
P85 / CRxD /IRQ4 P85 / CRxD /IRQ4
P86 / CSCK /IRQ5 P86 / CSCK /IRQ5
RES
RES
XTAL
XTAL
EXTAL
EXTAL
MD1
MD1
MD0
MD0
NMI
NMI
STBY
STBY
VCC
VCC
P52 / ASCK
P52 / ASCK
P51 / ARxD
P51 / ARxD
P50 / ATxD
P50 / ATxD
Expanded modes
(modes 1 and 2)
D6
VSS
D7
VSS
P80* / E
P81* /IOS
P82
P83
P84 / CTxD /IRQ3
P85 / CRxD /IRQ4
P86 / CSCK /IRQ5
RES
XTAL
EXTAL
MD1
MD0
NMI
STBY
VCC
P52 / ASCK
P51 / ARxD
P50 / ATxD
PROM
mode
EO6
VSS
EO7
VSS
VCC
VCC
NC
NC
NC
NC
NC
VPP
NC
NC
VSS
VSS
EA9
VSS
VCC
NC
NC
NC
Note: Pins marked NC should be left unconnected.
*Input port only
9