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2
μ
PD75517(A)
FUNCTIONS
ROM
RAM
24448
×
8 bits
1024
×
4 bits
(4-bit
×
8 or 8-bit
×
4)
×
4 banks
0.67
μ
s/1.33
μ
s/2.67
μ
s/10.7
μ
s (At 6.0 MHz)
0.95
μ
s/1.91
μ
s/3.82
μ
s/15.3
μ
s (At 4.19 MHz)
122
μ
s (At 32.768 kHz)
64
16 (Shared with INT, SIO, PPO, and analog input. Seven lines can be pulled
up by software.)
28 (Four lines for LED driving)
16 lines can be pulled up by software.
Four lines can be pulled down by the mask option.
20 (Eight lines for LED driving. Withstand voltage is 10 V. 20 lines can be
pulled up by the mask option.)
8-bit resolution
×
8 channels (Successive approximation system)
Capable of low-voltage operation: V
DD
= 2.7 to 6.0 V
Four channels
Timer/event counter
Basic interval timer
Timer/pulse generator (14-bit PWM output enabled)
Clock timer
Two channels
NEC standard serial bus interface (SBI)/
three-wire SIO: One channel
General clock synchronous serial interface
(three-wire SIO): One channel
Vectored interrupt : Seven sources
Test input
Clock test flag is provided.
Parallel edge detection flag for key scan input is provided.
(External: 3, internal: 4)
(External: 1, internal: 1)
: Two sources
Set/reset/test/Boolean operation for bit data
4-bit data transfer, arithmetic/logical, increment/decrement, and comparison
instructions
8-bit data transfer, arithmetic/logical, increment/decrement, and comparison
instructions
Ceramic/crystal oscillator for main system clock : 6.0 MHz, 4.19 MHz
Crystal oscillator for subsystem clock
: 32.768 kHz
V
DD
= 2.7 to 6.0 V
80-pin plastic QFP (14
×
20 mm)
Built-in memory
General registers
Instruction cycle
I/O ports
A/D converter
Timer/counter
Serial interface
Interrupt
Instruction set
System clock generator
Operating supply voltage
Package
Item
Functions
Total
Number of CMOS
input lines
Number of CMOS
I/O lines
Number of N-ch
open-drain I/O lines