23

Chapter 1 General
1
Product name
Parameter
Internal ROM
Internal RAM
Port 4
Port 5
Port 6
Others
8KB masked ROM at
00000H to 01FFFH
384 bytes at 0FD80H
to 0FEFFH
Used as both
general-purpose I/O
port (P40 to P47) and
address/data bus
(AD0 to AD7)
Used as both
general-purpose I/O
port (P50 to P57) and
address bus (A8 to
A15)
P64 and P65 are
used as both
general-purpose I/O
ports, and the RD
and WR pins,
respectively.
µ
PD78212
µ
PD78214
µ
PD78P214
µ
PD78213
16KB masked ROM
at 00000H to 03FFFH
16KB PROM at
00000H to 03FFFH
Item
Package size
Infrared reflow soldering or
vapor-phase soldering (VPS)
Humidity control for
infrared reflow soldering or
VPS
14 × 14 mm, lead pitch: 0.8 mm
Supported by
µ
PD78212,
µ
78213Note,
µ
78214, and
µ
78P214
The
µ
PD78212,
µ
PD78213Note,
µ
PD78214, and
µ
PD78P214 shall be
soldered within two days of their sealed
package being opened.
64-pin QFP 74-pin QFP
20 × 20 mm, lead pitch: 1.0 mm
Supported by
µ
PD78212Note,
µ
78213Note,
µ
78214, and
µ
78P214Note
The
µ
PD78P214Note shall be soldered
within seven days of its sealed package
being opened.
The
µ
PD78212Note,
µ
PD78213Note, and
µ
PD78214 can be soldered at any time
after their sealed package has been
opened.
None
Used only as
address/data bus
(AD0 to AD7)
Used only as
address bus (A8 to
A15)
P64 and P65 are
used only as the RD
and WR pins,
respectively.
512 bytes at 0FD00H to 0FEFFH
Used as both general-purpose I/O port
(P50 to P57) and address bus (A8 to A15)
Used as both general-purpose I/O port
(P40 to P47) and address/data bus (AD0 to
AD7)
P64 and P65 are used as both general-
purpose I/O ports, and the RD and WR
pins, respectively.
PROM programming
mode is supported
———
Soldering conditions
1.12 DIFFERENCES BETWEEN THE
µ
PD78212,
µ
PD78213,
µ
PD78214, AND
µ
PD78P2141.12.1 Functional Differences1.12.2 Package Differences

These products are available with either of two types of QFP (64-pin and 74-pin). Taking differences such as their

soldering conditions, listed below, into consideration, select an appropriate QFP.

Note The corresponding package is not available for the special quality grade versions of these products, indicated by suffix (A).