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1.8 Outline of Function
Item
Internal
ROM
memory
High-speed RAM
Buffer RAM
Memory space
General registers
Minimum
When main system
instruction
clock selected
execution
When subsystem
time
clock selected
Instruction set
I/O ports
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A/D converter
Serial interface
Timer
Notes 1. 8, 16, 24, or 32 Kbytes can be selected by memory size switching register (IMS).
2. 512 or 1024 bytes can be selected by IMS.
46
CHAPTER 1 OUTLINE ( µ PD78014 Subseries)
µ PD78011B
Part Number
Mask ROM
8 Kbytes
512 bytes
32 bytes
64 Kbytes
8 bits × 8 registers × 4 banks
0.4 µ s/0.8 µ s/1.6 µ s/3.2 µ s/6.4 µ s (@ 10.0 MHz)
122 µ s (@ 32.768 kHz)
• 16-bit operation
• Multiply/divide (8 bits × 8 bits, 16 bits ÷ 8 bits)
• Bit manipulation (set, reset, test, and Boolean operation)
• BCD adjust, and other related operations
Total
• CMOS input
• CMOS I/O
• N-ch open-drain I/O : 4 inputs/outputs (15-V withstand, on-chip pull-up
• 8-bit resolution × 8 channels
• Low-voltage operation: AV
• 3-wire serial I/O, SBI, 2-wire serial I/O mode selectable: 1 channel
• 3-wire serial I/O mode
(Maximum 32-byte on-chip automatic transmit/receive function): 1 channel
• 16-bit timer/event counter
• 8-bit timer/event counter
• Watch timer
• Watchdog timer
µ PD78012B
µ PD78013
16 Kbytes
24 Kbytes
1024 bytes
: 53 I/O port pins
: 2 inputs
: 47 inputs/outputs (on-chip pull-up resistor can be
turned on/off by software.)
resistor with mask options in mask ROM versions only)
= 2.7 to 6.0 V
DD
: 1 channel
: 2 channels
: 1 channel
: 1 channel
µ PD78014
µ PD78P014
One-time
PROM/EPROM
32 Kbytes
32 Kbytes
Note 1
Note 2
1024 bytes
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