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M16C26 Datasheet, PDF (26/239 Pages) Renesas Technology Corp – 16-BIT CMOS SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/20 SERIES
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Udenvdeelropment
Preliminary Specifications Rev. 0.9
Specifications in this manual are tentative
Special Function Registers
and
subject to change.
SINGLE-CHIP 16-BIT
M16C/26 Group
CMOS MICROCOMPUTER
Special Function Registers
Figures 1.6.1 through 1.6.5 display special function register (SFR) names, addresses, acronyms, and
reset values.
Address
Register Name
000016
000116
000216
000316
000416 Processor mode register 0
000516 Processor mode register 1
000616 System clock control register 0
000716 System clock control register 1
000816
000916 Address match interrupt enable register
000A16 Protect register
000B16
000C16 Oscillation stop detection register
000D16
000E16 Watchdog timer start register
000F16 Watchdog timer control register
001016 Address match interrupt register 0 (low)
001116 Address match interrupt register 0 (mid)
001216 Address match interrupt register 0 (high)
001316
001416 Address match interrupt register 1 (low)
001516 Address match interrupt register 1 (mid)
001616 Address match interrupt register 1 (high)
001716
001816
001916 Power supply detection register 1
001A16 Power supply detection register 2
001B16
001C16
001D16
001E16 Processor mode register 2
001F16 Power supply 4 V detection register
002016 DMA0 source pointer (low)
002116 DMA0 source pointer (mid)
002216 DMA0 source pointer (high)
002316
002416 DMA0 destination pointer (low)
002516 DMA0 destination pointer (mid)
002616 DMA0 destination pointer (high)
002716
002816 DMA0 transfer counter (low)
002916 DMA0 transfer counter (high)
002A16
002B16
002C16 DMA0 control register
002D16
002E16
002F16
003016 DMA1 source pointer (low)
003116 DMA1 source pointer (mid)
003216 DMA1 source pointer (high)
003316
003416 DMA1 destination pointer (low)
003516 DMA1 destination pointer (mid)
003616 DMA1 destination pointer (high)
003716
003816 DMA1 transfer counter (low)
003916 DMA1 transfer counter (high)
003A16
003B16
003C16 DMA1 control register
003D16
003E16
003F16
Reserved address, do not write
? Value indeterminate at reset
0 reset value is zero
1 reset value is one
0 reserved bit, must write to zero
1 reserved bit, must write to one
Nothing is mapped to this bit
(value is indeterminate when read)
Acronym Value after Reset
PM0
PM1
CM0
CM1
AIER
PRCR
CM2
WDTS
WDC
RMAD0
RMAD1
00000000
00001000
01001000
00100000
00
00000
00000000
?
00??????
0016
0016
0000
0016
0016
0000
VCR1
VCR2
00001000
00000000
PM2
D4INT
SAR0
DAR0
TCR0
00000
00000000
?
?
????
?
?
????
?
?
DM0CON 0 0 0 0 0 ? 0 0
SAR1
DAR1
TCR1
?
?
????
?
?
????
?
?
DM1CON 0 0 0 0 0 ? 0 0
Figure 1.6.1. Location of peripheral unit control registers (1)
20
Renesas Technology Corp.
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