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M32C8B_09 Datasheet, PDF (2/69 Pages) Renesas Technology Corp – RENESAS MCU | |||
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M32C/8B Group
1. Overview
Table 1.1 Specifications (144-Pin Package) (1/2)
Item
Function
Specification
CPU
Central processing unit M32C/80 core (multiplier: 16 bits à 16 bits â 32 bits,
multiply-addition operation instructions: 16 Ã 16 + 48 â 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 : â / 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 à 6, Key input à 4)
Single-chip mode
Memory expansion and microprocessor mode with 8-bit external bus
8 (NMI, INT à 3, Key input à 4)
Memory expansion and microprocessor mode with 16-bit external bus
⢠Interrupt priority levels: 7
Watchdog Timer
15-bit à 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 à 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) Ã 3
Timer B
16-bit timer à 6
Timer mode, event counter mode, pulse period measurement
mode, pulse width measurement mode
Timer function for
3-phase inverter control à 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
Page 2 of 67
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