µ
PD754144, 754244
81
Data Sheet U10040EJ2V1DS
APPENDIX A. COMPARISON OF FUNCTIONS AMONG
µ
PD754144, 754244, AND 75F4264
Item
µ
PD754144
µ
PD754244
µ
PD75F4264
Note
Program memory
Mask ROM
Flash memory
0000H to 0FFFH
0000H to 0FFFH
(4096 x 8 bits)
(4096 x 8 bits)
Data
Static RAM
000H to 07FH
memory
(128 x 4 bits)
EEPROM
400H to 41FH
400H to 43FH
(16 x 8 bits)
(32 x 8 bits)
CPU
75XL CPU
General-purpose register
(4 bits x 8 or 8 bits x 4) x 4 banks
Instruction execution time
• 4, 8, 16, 64
µ
s
• 0.67, 1.33, 2.67, 10.7
µ
s
(@ f
CC
= 1.0-MHz
(@ f
X
= 6.0-MHz operation)
operation)
• 0.95, 1.91, 3.81, 15.3
µ
s
(@ f
X
= 4.19-MHz operation)
I/O port
CMOS input
4 (on-chip pull-up resistor can be connected by mask option)
CMOS I/O
9 (on-chip pull-up resistor connection can be specified by means of software)
Total
13
System clock oscillator
RC oscillator
Ceramic/crystal oscillator
(resistor and capacitor are
connected externally)
Start-up time after reset
56/f
CC
2
17
/f
X
, 2
15
/f
X
(can be
2
15
/f
X
selected by mask option)
Standby mode release time
2
9
/f
CC
2
20
/f
X
, 2
17
/f
X
, 2
15
/f
X
, 2
13
/f
X
(can be selected by the setting of BTM)
Timer
4 channels
• 8-bit timer counter: 3 channels (can be used as 16-bit timer counter)
• Basic interval timer/watchdog timer: 1 channel
A/D converter
None
• 8-bit resolution x 2
channels (successive
approximation, hardware
control)
• Can be operated
from V
DD
= 1.8 V
Programmable threshold port
2 channels
Vectored interrupt
External: 1, internal: 5
Test input
External: 1 (key return reset function available)
Power supply voltage
V
DD
= 1.8 to 6.0 V
Operating ambient temperature
T
A
= –40 to +85
°
C
Package
• 20-pin plastic SOP (300 mil, 1.27-mm pitch)
• 20-pin plastic SOP
• 20-pin plastic shrink SOP (300 mil, 0.65-mm pitch)
(300 mil, 1.27-mm pitch)
Note
Under development
*