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1. Overview
Table 1.2 M32C/81 Group Performance (100-Pin Package)
Item
Performance
CPU
Basic instructions
108 instructions
Shortest instruction execution time
31.3 ns (f(BCLK)=32 MHz, VCC=4.2 V to 5.5 V)
50ns (f(BCLK)=20MHz, VCC=3.0 V to 5.5 V)
Operation mode
Single-chip mode, Memory expansion mode and Microprocessor mode
Address space
16 Mbytes
Memory capacity
See Table 1.3
Peripheral Port
87 I/O pins and 1 input pin
function Multifunction timer
Timer A: 16 bits x 5 channels, Timer B: 16 bits x 6 channels
Three-phase motor control circuit
Intelligent I/O
Time measurement function: 16 bits x 5 channels
Waveform generating function: 16 bits x 8 channels
Communication function (Clock synchronous serial I/O, Clock
asynchronous serial I/O, HDLC data processing, Clock synchro-
nous variable length serial I/O, IEBus(1))
Serial I/O
5 channels
Clock synchronous serial I/O, Clock asynchronous serial I/O,
IEBus(1), I2C bus(2)
CAN module
1 channel
Supporting CAN 2.0B specification
A/D converter
10-bit A/D converter: 1 circuit, 26 channels
D/A converter
8 bits x 2 channels
DMAC
4 channels
DMAC II
Can be activated by all peripheral function interrupt factors
Immediate transfer, Calculation transfer and Chain transfer functions
DRAMC
_______
CAS-before-RAS refresh, self-refresh, EDO, FP
CRC calculation circuit
CRC-CCITT
XY converter
16 bits x 16 bits
Watchdog timer
15 bits x 1 channel (with prescaler)
Interrupt
42 internal and 8 external sources, 5 software sources
Interrupt priority level: 7
Clock generating circuit
4 circuits
Main clock oscillation circuit(*), sub clock oscillation circuit(*), On-
chip oscillator, PLL frequency synthesizer
(*)Equipped with a built-in feedback resistor. Ceramic resonator
or crystal oscillator must be connected externally
Oscillation stop detect function
Main clock oscillation stop detect function
Electric
Supply voltage
4.2 V to 5.5 V (f(XIN)=32 MHz)
charact-
3.0 V to 5.5 V (f(XIN)=20 MHz, through VDC)
eristics
3.0 V to 3.6 V (f(XIN)=20 MHz, not through VDC)
Power consumption
28 mA (VCC=5 V, f(BCLK)=32 MHz)
17 mA (VCC=3.3 V, f(BCLK)=20 MHz)
470
A (VCC=5 V, f(XCIN)=32 kHz, in wait mode)
340
A (VCC=3.3 V, f(XCIN)=32 kHz, through VDC in wait mode)
5.0
A (VCC=3.3 V, f(XCIN)=32 kHz, not through VDC in wait mode)
0.4
A (VCC=5 V, f(XCIN)=32 kHz, in stop mode)
0.4
A (VCC=3.3 V, f(XCIN)=32 kHz, in stop mode)
Operating ambient temperature
–20 to 85oC, –40 to 85oC (option)
Package
100-pin plastic molded LQFP/QFP
NOTES:
1. IEBus is a trademark of NEC Electronics Corporation.
2. I2C bus is a trademark of Koninklijke Philips Electronics N. V.
All options are on a request basis.