M306N5FCTFP Renesas Electronics America, M306N5FCTFP Datasheet - Page 52
M306N5FCTFP
Manufacturer Part Number
M306N5FCTFP
Description
IC M16C MCU FLASH 100QFP
Manufacturer
Renesas Electronics America
Series
M16C™ M16C/6Nr
Datasheets
1.M30622SAFPU5.pdf
(308 pages)
2.M306N5FCTFPUK.pdf
(90 pages)
3.M306N5FCTFPU0.pdf
(408 pages)
Specifications of M306N5FCTFP
Core Processor
M16C/60
Core Size
16-Bit
Speed
20MHz
Connectivity
CAN, I²C, IEBus, SIO, UART/USART
Peripherals
DMA, WDT
Number Of I /o
87
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
5K x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 26x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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M16C/6N Group (M16C/6N5)
Rev.2.40
REJ09B0011-0240
6. Processor Mode
6.1 Types of Processor Mode
Table 6.1 Features of Processor Modes
NOTE:
6.2 Setting Processor Modes
Table 6.2 Processor Mode after Hardware Reset
NOTES:
Table 6.3 Bits PM01 to PM00 Set Values and Processor Modes
Single-chip mode
Memory expansion mode
Microprocessor mode
VSS
VCC
00b
01b
10b
11b
Three processor modes are available to choose from: single-chip mode, memory expansion mode, and
microprocessor mode. Table 6.1 shows the Features of Processor Modes.
Processor mode is set by using the CNVSS pin and bits PM01 to PM00 in the PM0 register.
Table 6.2 shows the Processor Mode after Hardware Reset. Table 6.3 shows Bits PM01 to PM00 Set
Values and Processor Modes.
Rewriting bits PM01 to PM00 places the MCU in the corresponding processor mode regardless of whether
the input level on the CNVSS pin is “H” or “L”. Note, however, that bits PM01 to PM00 cannot be rewritten
to 01b (memory expansion mode) or 11b (microprocessor mode) at the same time bits PM07 to PM02 are
rewritten. Note also that these bits cannot be rewritten to enter microprocessor mode in the internal ROM,
nor can they be rewritten to exit microprocessor mode in areas overlapping the internal ROM.
If the MCU is reset in hardware by applying VCC to the CNVSS pin (hardware reset), the internal ROM
cannot be accessed regardless of bits PM01 to PM00.
Figures 6.1 and 6.2 show the PM0 Register and PM1 Register. Figure 6.3 shows the Memory Map in
Single-chip Mode. Figures 6.4 and 6.5 show the Memory Map and CS Area in Memory Expansion Mode
and Microprocessor Mode.
CNVSS Pin Input Level
1. Refer to 7. Bus.
1. If the MCU is reset in hardware by applying VCC to the CNVSS pin, the internal ROM cannot be
2.
Bits PM01 to PM00
accessed regardless of bits PM01 to PM00.
The multiplexed bus cannot be assigned to the entire CS space.
Processor Mode
(1) (2)
Apr 14, 2006
page 30 of 372
SFR, internal RAM, internal ROM
SFR, internal RAM, internal ROM,
external area
SFR, internal RAM, external area
Single-chip mode
Microprocessor mode
Single-chip mode
Memory expansion mode
Do not set a value
Microprocessor mode
Access Space
(1)
Processor Mode
Processor Mode
_____
(1)
All pins are I/O ports or
peripheral function I/O pins
Some pins serve as bus control pins
Some pins serve as bus control pins
_____
Pins Which are Assigned I/O Ports
6. Processor Mode
(1)
(1)
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