4518 Datasheet, PDF (4/160 Pages) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

4518 Group
PERFORMANCE OVERVIEW
Parameter
Function
Number of basic instructions
148
Minimum instruction execution time
0.5 µs (at 6.0 MHz oscillation frequency, in XIN through-mode)
Memory sizes ROM M34518M2
2048 words ✕ 10 bits
M34518M4
4096 words ✕ 10 bits
M34518M6
6144 words ✕ 10 bits
M34518M8/E8 8192 words ✕ 10 bits
RAM M34518M2/M4 256 words ✕ 4 bits
M34518M6/M8/E8 384 words ✕ 4 bits
Input/Output D0–D7
ports
I/O (Input is Eight independent I/O ports;
examined by Ports D6 and D7 are also used as CNTR0 and CNTR1, respectively.
skip decision) The output structure is switched by software.
P00–P03 I/O
4-bit I/O port; a pull-up function, a key-on wakeup function and output structure can be switched
by software.
P10–P13 I/O
4-bit I/O port; a pull-up function, a key-on wakeup function and output structure can be switched
by software.
P20–P22 I/O
3-bit I/O port; ports P20, P21 and P22 are also used as SCK, SOUT and SIN, respectively.
P30, P31 I/O
2-bit I/O port ; ports P30 and P31 are also used as INT0 and INT1, respectively.
P60–P63 I/O
4-bit I/O port ; ports P60–P63 are also used as AIN0–AIN3, respectively.
Timers
Timer 1
8-bit timer with a reload register is also used as an event counter.
Also, this is equipped with a period/pulse width measurement function.
Timer 2
8-bit timer with a reload register.
Timer 3
8-bit timer with a reload register is also used as an event counter.
Timer 4
8-bit timer with two reload registers and PWM output function.
A/D converter
10-bit wide ✕ 4 ch, This is equipped with an 8-bit comparator function.
Serial I/O
8-bit ✕ 1
Interrupt
Sources
8 (two for external, four for timer, one for A/D, and one for serial I/O)
Nesting
1 level
Subroutine nesting
8 levels
Device structure
CMOS silicon gate
Package
32-pin plastic molded LQFP (PLQP0032GB-A)/SDIP (PRDP0032BA-A)
Operating temperature range
–20 °C to 85 °C
Supply voltage Mask ROM version
1.8 V to 5.5 V (It depends on operation source clock, oscillation frequency and operating mode.)
One Time PROM version 2.5 V to 5.5 V (It depends on operation source clock, oscillation frequency and operating mode.)
Power
Active mode
2.8 mA (Ta=25 °C, VDD=5V, f(XIN)=6 MHz, f(STCK)=f(XIN), on-chip oscillator stop)
dissipation
70 µA (Ta=25 °C, VDD=5V, f(XIN)=32 kHz, f(STCK)=f(XIN), on-chip oscillator stop)
(typical value)
150 µA (Ta=25 °C, VDD=5V, on-chip oscillator is used, f(STCK)=f(RING), f(XIN) stop)
RAM back-up mode
0.1 µA (Ta=25 °C, VDD = 5 V, output transistors in the cut-off state)
Rev.3.01 2005.06.15 page 4 of 157
REJ03B0008-0301