4500/720 Series 720 Family Models 4513, 4514 Group User's Manual

1-86
HARDWARE
4513/4514 Group User’s Manual
Selected pins
AIN0
AIN1
AIN2
AIN3
AIN4 (Not available for the 4513 Group)
AIN5 (Not available for the 4513 Group)
AIN6 (Not available for the 4513 Group)
AIN7 (Not available for the 4513 Group)
This bit has no function, but read/write is enabled.
Instruction clock signal divided by 8
Instruction clock signal divided by 4
Input ports P20, P21, P22 selected
Serial I/O ports SCK, SOUT, SIN/input ports P20, P21, P22 selected
External clock
Internal clock (instruction clock divided by 4 or 8)
J13
J12
J11
J10
Serial I/O mode register J1
Not used
Serial I/O internal clock dividing ratio
selection bit
Serial I/O port selection bit
Serial I/O synchronous clock selection bit
at reset : 00002
at RAM back-up : state retained
0
1
0
1
0
1
0
1
R/W
Q13
Q12
Q11
Q10
A-D control register Q1
Note used
Analog input pin selection bits (Note 2)
at reset : 00002 at RAM back-up : state retained
0
1
Q12
0
0
0
0
1
1
1
1
Q11
0
0
1
1
0
0
1
1
This bit has no function, but read/write is enabled.
at reset : 00002
Q23
Q22
Q21
Q20
A-D control register Q2
A-D conversion mode
Comparator mode
P43, P42 (read/write enabled for the 4513 Group)
AIN7, AIN6/P43, P42 (read/write enabled for the 4513 Group)
P41 (read/write enabled for the 4513 Group)
AIN5/P41 (read/write enabled for the 4513 Group)
P40 (read/write enabled for the 4513 Group)
AIN4/P40 (read/write enabled for the 4513 Group)
A-D operation mode selection bit
P43/AIN7 and P42/AIN6 pin function selec-
tion bit (Not used for the 4513 Group)
P41/AIN5 pin function selection bit
(Not used for the 4513 Group)
P40/AIN4 pin function selection bit
(Not used for the 4513 Group)
at RAM back-up : state retained
0
1
0
1
0
1
0
1
Notes 1: “R” represents read enabled, “W” represents write enabled.
2: Select A
IN4–AIN7 with register Q1 after setting register Q2.
3: Bits 0 and 1 of register Q3 can be only read.
Q10
0
1
0
1
0
1
0
1
R/W
R/W
MR3
MR2
MR1
MR0
Clock control register MR
f(XIN) (high-speed mode)
f(XIN)/2 (middle-speed mode)
This bit has no function, but read/write is enabled.
This bit has no function, but read/write is enabled.
This bit has no function, but read/write is enabled.
System clock selection bit
Not used
Not used
Not used
at reset : 10002 at RAM back-up : 10002
0
1
0
1
0
1
0
1
R/W
Q33
Q32
Q31
Q30
Comparator control register Q3 (Note 3) at reset : 00002 at RAM back-up : state retained
0
1
0
1
0
1
0
1
R/W
Voltage comparator (CMP1) invalid
Voltage comparator (CMP1) valid
Voltage comparator (CMP0) invalid
Voltage comparator (CMP0) valid
CMP1- > CMP1+
CMP1- < CMP1+
CMP0- > CMP0+
CMP0- < CMP0+
Voltage comparator (CMP1) control bit
Voltage comparator (CMP0) control bit
CMP1 comparison result store bit
CMP0 comparison reslut store bit
CONTROL REGISTERS