upd17p401 ETC-unknow, upd17p401 Datasheet - Page 17

• Manufacturer Part Number: upd17p401
• Description: One-time Prom Version 4-bit Single Chip Microcontroller With Dedicated On-chip Camera Hardware
• Manufacturer: ETC-unknow

2. LIST OF FUNCTIONS
Item
System registers
Register file
General-purpose port registers
Stack levels
Image display controller (IDC)
LCD controller/driver
Serial interface
A/D converter
Interrupts
Timer
ROM
RAM
Instruction execution time
General-
purpose
ports
Table reference area
Data buffers
General registers
Port registers
LCD registers
Input/output ports
Input ports
Output ports
Product Name
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Display characters: Max. 155 characters on one screen
Display positions : 14 lines
Character set
Character format : 10
Character size
Output pins
At 1/3 duty, 1/3 bias: 36 segments, 3 common
At 1/4 duty, 1/3 bias: 35 segments, 4 common
Frame frequency : 250/n Hz (n = duty)
Drive voltage
Key source dual-function pins: 16 pins
12 pins usable as output port (4/4/4/4 pins independently settable)
2 systems (3 channels)
8-bit 3-wire: 2 channels
8-bit 2-wire: 1 channel
6 bits x 1 (successive approximation by software)
5 channels (maskable interrupts)
External interrupts: 3 channels (INT
Internal interrupts: 2 channels (modulo timer, serial interface 0)
3 systems
Timer carry F/F (100 ms)
8-bit modulo timer (1/2/8/80 kHz)
Clock 32 kHz counter (week, day, hour, min., sec. count)
12288
(Mask ROM)
PD17401
1.6 s (with 10 MHz crystal resonator connected)
16 bits
7 levels (stack manipulation capability)
: 255 characters (user-programmable)
: Vertical/horizontal size independently settable
: Blanking signal independently settable
: V
16 (Segment dual-function: 12)
DD
Vertical (14, 28, 42, 56H)
Horizontal (2, 4, 6, 8 s)
15 dots (2-dot space settable between characters)
12288
24 columns
524
16
12
45
45
36
4
9
20
4 bits
4 bits
0
0
4 bits
4 bits
4 bits
4 bits
4 bits
, INT
4 bits
16 bits
1
, V
SYNC
12288
pins)
PD17P401
(PROM)
16 bits
PD17P401
17