31
CHAPTER 1 OUTLINE
Preliminary User’s Manual U16035EJ1V0UM
1.7 Outline of Function
Part Number
µ
PD780021AS
µ
PD780022AS
µ
PD780023AS
µ
PD780024AS
µ
PD78F0034BS
Item
µ
PD780031AS
µ
PD780032AS
µ
PD780033AS
µ
PD780034AS
Internal memory
ROM
8 KB
16 KB
24 KB
32 KB
32 KB
Note
(Mask ROM)
(Mask ROM)
(Mask ROM)
(Mask ROM)
(Flash memory)
High-speed RAM
512 bytes
1024 bytes
1024 bytes
Note
Memory space
64 KB
General-purpose register
8 bits
×
32 registers (8 bits
×
8 registers
×
4 banks)
Minimum instruction
Minimum instruction execution time changeable function
execution time
When main system
0.24
µ
s/0.48
µ
s/0.95
µ
s/1.91
µ
s/3.81
µ
s (@ 8.38 MHz operation)
clock selected
When subsystem
122
µ
s (@ 32.768 kHz operation)
clock selected
Instruction set
• 16-bit operation
• Multiply/divide (8 bits
×
8 bits, 16 bits
÷
8 bits)
• Bit manipulate (set, reset, test, and Boolean operation)
• BCD adjust, etc.
I/O port
Total:
39
• CMOS input:
4
• CMOS I/O:
35
A/D converter
• 8-bit resolution
×
4 channels (
µ
PD780021AS, 780022AS, 780023AS, 780024AS)
• 10-bit resolution
×
4 channels (
µ
PD780031AS, 780032AS, 780033AS, 780034AS, 78F0034BS)
• Low-voltage operation: AV
DD
= 1.8 to 5.5 V
Serial interface
• 3-wire serial I/O mode:
2 channels
• UART mode:
1 channel
Timer
• 16-bit timer/event counter: 1 channel
• 8-bit timer/event counter:
2 channels
• Watch timer:
1 channel
• Watchdog timer:
1 channel
Timer output
Three outputs (8-bit PWM output enable: 2)
Clock output
• 65.5 kHz, 131 kHz, 262 kHz, 524 kHz, 1.05 MHz, 2.10 MHz, 4.19 MHz, 8.38 MHz
(8.38 MHz with main system clock)
• 32.768 kHz (32.768 kHz with subsystem clock)
Buzzer output
1.02 kHz, 2.05 kHz, 4.10 kHz, 8.19 kHz (8.38 MHz with main system clock)
Vectored interrupt
Maskable
Internal: 13, External: 5
source
Non-maskable
Internal: 1
Software
1
Power supply voltage
V
DD
= 1.8 to 5.5 V
Operating ambient temperature
T
A
= –40 to +85
°
C
Package
• 52-pin plastic LQFP (10
×
10)
Note
The capacities of internal flash memory and internal high-speed RAM can be changed by means of the
memory size switching register (IMS).