MITSUBISHI MICROCOMPUTERS
M37274EFSP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
■ SFR2 area (addresses 20016 to 21F16
)
<
Bit allocation>
<
State immediately after reset >
:
: “0” immediately after reset
0
1
?
Function bit
:
:
Name
: “1” immediately after reset
No function bit
: Indeterminate immediately
after reset
: Fix to this bit to “0”
(do not write to “1”)
0
1
: Fix to this bit to “1”
(do not write to “0”)
Address
Register
Bit allocation
State immediately after reset
b7
b0 b7
b0
PWM0 register (PWM0)
PWM1 register (PWM1)
PWM2 register (PWM2)
PWM3 register (PWM3)
PWM4 register (PWM4)
PWM5 register (PWM5)
PWM6 register (PWM6)
20016
20116
20216
20316
?
?
?
?
?
20416
20516
20616
?
?
?
0016
?
20716
20816
20916
20A16
20B16
20C16
CRD35 CRD34 CRD33 CRD32 CRD31
Clock run-in detect register 3 (CRD3)
CR34
CR32
CR31
CR30
CR36 CR35
CR33
Clock run-in register (CR3)
PWM mode register 1 (PN)
PWM mode register 2 (PW)
Timer 5 (TM5)
?
?
?
?
0
0
0
0
PN3 PN2 PN1 PN0
PW6 PW5 PW4 PW3 PW2 PW1 PW0
0016
0716
FF16
0016
0016
0016
?
0
Timer 6 (TM6)
20D16
20E16
20F16
21016
0016
SYC5 SYC4 SYC3 SYC2 SYC1 SYC0
Sync pulse counter register (SYC)
Data slicer control register 3 (DSC3)
DSC37 DSC36 DSC35 DSC34 DSC33 DSC32 DSC31 DSC30
21116
21216
21316
21416
21516
INT3
POL
INT2 INT1
RE3
AD/INT3
SEL
0016
0016
0
0
0
0
Interrupt input polarity register (IP)
Serial I/O mode register (SM)
Serial I/O register (SIO)
POL POL
SRME55 SM4 SRME33 SRME22 SRME11 SM0
0
0
?
?
0016
INT3
RE
RE RE RE
CS6 CS5 CS4 CS3 CS2 CS1 CS0
0
21616 Clock source control register (CS)
21716
21816
POL
INT3
APD/CINT73 PC6 RPCE5 PC4 RE3 PRCE2 PRCE1 PC0
0
1
0
0
0
0
0
0
0
SEL
AD/INT3
SEL
I/O polarity control register (PC)
POL
INT3
RC7 RC6 RCE5
RCE2 RCE1 RC0
RECE2 RECE1 EC0
0016
0016
0
0
0
0
0
0
0
0
Raster color register (RC)
POL
RE5
Extra font color register (EC)
21916
21A16
21B16
0016
0016
?
0
0
0
FC2 FC1 FC0
Border color register (FC)
WH17 WH16
WL17 WL16
WH15 WH14
WH10
WH13 WH12 WH11
21C16 Window H register 1 (WH1)
WL15 WL14
WL20
WL13 WL12 WL21
?
?
?
21D16
21E16
21F16
Window L register 1 (WL1)
Window H register 2 (WH2)
Window L register 2 (WL2)
WH21 WH20
WL21 WL20
Fig. 7. Memory Map of Special Function Register 2 (SFR2) (1)
14