M32C8B_09 Datasheet, PDF (4/69 Pages) Renesas Technology Corp – RENESAS MCU

M32C/8B Group
1. Overview
Table 1.3 Specifications (100-Pin Package) (1/2)
Item
Function
Specification
CPU
Central processing unit M32C/80 core (multiplier: 16 bits × 16 bits → 32 bits,
multiply-addition operation instructions: 16 × 16 + 48 → 48 bits)
• Basic instructions: 108
• Minimum instruction execution time:
31.3 ns (f(CPU) = 32 MHz / VCC1 = 3.0 to 5.5 V)
• Operating modes: Single-chip mode, memory expansion mode,
and microprocessor mode
Memory ROM / RAM
Flash memory version: 256KB + 8KB/32 KB, 128KB + 8KB/32 KB
ROMless version : − / 32KB
Power Supply Voltage Detection
Voltage monitor interrupt (optional)⁽¹⁾
External
Bus
Expansion
Bus / memory expansion
function
• Address space: 16 Mbytes
• External bus interface: 1 to 7 wait states can be inserted,
4 chip select outputs, 3 V and 5 V interfaces
• Bus format: Switchable between separate bus and multiplexed
bus formats, switchable data bus width (8-bit or 16-bit)
Clock
Clock generation circuits • 4 circuits:
Main clock, sub clock, on-chip oscillator,
PLL frequency synthesizer
• Oscillation stop detection:
Main clock oscillation stop detect function
• Frequency divider circuit:
Dividing ratio selectable among 1, 2, 3, 4, 6, 8, 10, 12, 14, 16
• Low power consumption features: Wait mode, stop mode
Interrupts
• Interrupt vectors: 70
• External interrupt inputs:
11 (NMI, INT × 6, Key input × 4)
Single-chip mode
Memory expansion and microprocessor mode with 8-bit external bus
8 (NMI, INT × 3, Key input × 4)
Memory expansion and microprocessor mode with 16-bit external bus
• Interrupt priority levels: 7
Watchdog Timer
15-bit × 1 channel (with prescaler)
DMA
DMAC
• 4 channels, cycle steal method
• Trigger sources: 31
• Transfer modes: 2 (single transfer and repeat transfer)
DMACII
• Can be activated by all peripheral function interrupt sources
• Transfer modes: 2 (single transfer and burst transfer)
• Immediate transfer, calculation transfer, and chain transfer
functions
Timer
Timer A
16-bit timer × 5
Timer mode, event counter mode, one-shot timer mode,
pulse width modulation (PWM) mode
Event counter 2-phase pulse signal processing (2-phase
encoder input) × 3
Timer B
16-bit timer × 6
Timer mode, event counter mode, pulse period measurement
mode, pulse width measurement mode
Timer function for
3-phase inverter control × 1 (using timer A1, timer A2, timer A4,
3-phase motor control and timer B2)
On-chip dead time timer
NOTE:
1. Please contact a Renesas sales office for optional features.
REJ03B0242-0100 Rev.1.00 Nov 01, 2009
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