
CHAPTER 2 GENERAL (
μ
PD78018FY SUBSERIES)
2.1 Features
High-capacity ROM and RAM
Notes
1.
8, 16, 24, 32, 40, 48, or 60 KB is selectable by using memory size select register (IMS).
2.
512 or 1024 B is selectable by using IMS.
3.
0, 512, or 1024 B is selectable by using internal extension RAM size select register (IXS).
External memory extension space: 64 KB
Variable minimum instruction execution time: from high speed (0.4
μ
s: with 10.0-MHz main system clock) to ultra
slow (122
μ
s: with 32.768-kHz subsystem clock)
Instruction set suitable for system control
· Bit processing in entire address space
· Multiplication/division instructions
I/O port: 53 lines (N-ch open-drain: 4 lines)
8-bit resolution A/D converter: 8 channels
· Low-voltage operation (AV
DD
= 1.8 to 5.5 V: operable in supply voltage range same as that of the CPU)
Serial interface: 2 channels
· 3-wire serial I/O / 2-wire serial I/O / I
2
C bus mode
· 3-wire serial I/O mode (with automatic transmit/receive function) : 1 channel
Timer: 5 channels
· 16-bit timer/event counter
· 8-bit timer/event counter
· Watch timer
· Watchdog timer
Vectored interrupt source: 14 lines
Test input: 2 lines
Two types of clock oscillation circuits (main system clock and subsystem clock)
Supply voltage: V
DD
= 1.8 to 5.5 V
: 1 channel
: 1 channel
: 2 channels
: 1 channel
: 1 channel
Program Memory
(ROM)
Data Memory
Internal Extension RAM
Internal High-Speed RAM
Internal Buffer RAM
512 B
1024 B
—
32 B
Part Number
Item
8 KB
16 KB
24 KB
32 KB
40 KB
48 KB
60 KB
60 KB
Note 1
μ
PD78011FY
μ
PD78012FY
μ
PD78013FY
μ
PD78014FY
μ
PD78015FY
μ
PD78016FY
μ
PD78018FY
μ
PD78P018FY
512 B
1024 B
1024 B
Note 3
1024 B
Note 2
53