REJ05B0602-0100/Rev.1.00 April 2005 Page 2 of 13
M32C/83, M32C/84 Group
Differences between M32C/83 and M32C/84
Table 3.1.2 Function Differences (2/3) (Note1)
Note 1: About the details and the characteristics, refer to hardware manual.
Note 2: IEBus is a trademark of NEC Electronics Corporation.
Note 3: Programming per byte is available in parallel I/O mode only.
Item M32C/83 M32C/84
Intelligent I/O 4 group 1 group
Intelligent I/O
Time Measurement
12 channel (144-pin version)
5 channel (100-pin version)
8 channel (144-pin version)
8 channel (100-pin version)
Intelligent I/O
Waveform Generation
28 channel (144-pin version)
10 channel (100-pin version)
8 channel (144-pin version)
8 channel (100-pin version)
Intelligent I/O
Waveform Generation
Mode
Single-Phase Waveform Output Mode
(Group 0 to 3)
Phase-Delayed Waveform Output Mode
(Group 0 to 3)
Set/Reset Waveform Output (SR Waveform
Output) Mode (Group 0 to 3)
Bit Modulation PWM Output Mode
(Group 2 and 3)
Real-Time Port (RTP) Output Mode
(Group 2 and 3)
Parallel Real-Time Port Output Mode
(Group 2 and 3)
Single-Phase Waveform Output Mode
Phase-Delayed Waveform Output Mode
Set/Reset Waveform Output (SR Waveform Output)
Mode
Intelligent I/O
Communication Function
Clock Synchronous Serial I/O Mode
Clock Asynchronous Serial I/O Mode (UART)
HDLC Data Processing Mode
Variable Clock Synchronous Serial I/O Mode
IEBus Mode (Note 2)
8-bit or 16-bit Clock Synchronous Serial I/O
Mode
Clock Synchronous Serial I/O Mode
Clock Asynchronous Serial I/O Mode (UART)
HDLC Data Processing Mode
A/D Converter 2 circuit 1 circuit
A/D Converter
Operating Clock
Selectable: fAD, fAD/2, fAD/3, fAD/4 Selectable: fAD, fAD/2, fAD/3, fAD/4, fAD/6, fAD/8
A/D Converter
Mode
One-shot mode, repeat mode, single sweep
mode, repeat sweep mode 0, repeat sweep
mode 1
The next mode is added to M32C/83.
Multi-port single sweep mode
, multi-port repeat
sweep mode 0
A/D Converter
DMAC Operating Mode
None Have
A/D Converter
Two-Circuit Simultaneous Start
Have None
A/D Converter
Pin Input Replacement Function
Have None
DRAMC Have None
Flash Memory
Program
Per page (per 256 byte) Per word, per byte (Note 3)
Flash Memory
Rewrite Mode
CPU rewrite mode (EW mode 0 corresponding) EW mode 0, EW mode 1
Flash Memory
Boot ROM
8K bytes 4K bytes
Flash Memory
Block A
None Have (4K bytes)
Flash Memory
Block
Block 0: 16K bytes
Block 1: 8K bytes
Block 2: 8K bytes
Block 3: 32K bytes
Block 4 to block 10: 64K bytes
Block 0: 4K bytes
Block 1: 4K bytes
Block 2: 8K bytes
Block 3: 8K bytes
Block 4: 8K bytes
Block 5: 32K bytes
Block 6 to block 12: 64K bytes
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