M30622MA-XXXFP RENESAS [Renesas Technology Corp], M30622MA-XXXFP Datasheet - Page 568

• Manufacturer Part Number: M30622MA-XXXFP
• Description: 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY
• Manufacturer: RENESAS [Renesas Technology Corp]

External ROM
6.4 Processor Mode
Figure 6.4.1. Processor mode register 0
The external ROM version is operated only in microprocessor mode, so be sure to perform the following:
Figure 6.4.1 shows the processor mode register 0.
• Connect CNV
• Fix the processor mode bit to “11
Processor mode register 0 (Note)
b7
b6
b5
b4
SS
b3
pin to V
b2
b1
1
b0
1
CC
Note: Set bit 1 of the protect register (address 000A
.
PM01
PM04
PM05
PM06
PM07
Bit symbol
PM00
PM02
PM03
Symbol
PM0
values to this register.
2
”
Processor mode bit
R/W mode select bit
Software reset bit
Multiplexed bus space
select bit
Port P4
select bit
BCLK output disable bit
0
Address
to P4
Bit name
0004
3
16
function
When rese
0 : BCLK is output
1 : BCLK is not output
The device is reset when this bit is set
to “1”. The value of this bit is “0” when
read.
b5 b4
0 : Address output
1 : Port function
0 0 : Multiplexed bus is not used
0 1 : Allocated to CS2 space
1 0 : Allocated to CS1 space
1 1 : Inhibited
b1 b0
0 0: Inhibited
0 1: Inhibited
1 0: Inhibited
1 1: Microprocessor mode
0 : RD,BHE,WR
1 : RD,WRH,WRL
03
(Address is not output)
(Pin is left floating)
16
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Function
16
) to “1” when writing new
Mitsubishi microcomputers
M16C / 62 Group
R
W
553