UPD78323 NEC, UPD78323 Datasheet - Page 6
UPD78323
Manufacturer Part Number
UPD78323
Description
16/8-BIT SINGLE-CHIP MICROCONTROLLER
Manufacturer
NEC
Datasheet
1.UPD78323.pdf
(86 pages)
- Current page: 6 of 86
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6
GENERAL DESCRIPTION OF FUNCTIONS
Basic instructions
Minimum instruction
execution time
Memory space
General registers
A/D converter
Interrupt
Test factor
Standby
Instruction set
Others
Package
Internal memory
I/O line
Real-time pulse unit
Serial communication
interface
• ROM : 32K bytes ( PD78324)
• RAM : 1K bytes
64K bytes
8 bits
• Input port
• Input/output port : 39 ( PD78324)
• 18/16-bit free running timer
• 16-bit timer/event counter
• 16-bit compare register
• 18-bit capture register
• 18-bit capture/compare register
• Realtime output port
Serial interface with a dedicated baud rate generator
• UART
• SBI (NEC Serial Bus Interface) : 1 channel
10-bit resolution (8 analog inputs)
• External : 8, internal : 14 (dual-function as external : 2)
• 3 processing modes
Internal : 1
STOP mode/HALT mode
16-bit transfer/operation instruction, multiplication/division instruction (16
lation instruction, string instruction, etc.
On-chip watchdog timer
• 68-pin plastic QFJ (
• 74-pin plastic QFP (20
111
250 ns (with 16 MHz external clock in operation)
(vectored interrupt function, context switching function, and macro service function)
16
None ( PD78323)
8 banks (memory mapping)
: 16 (dual-function as analog input: 8)
21 ( PD78323)
950 mil)
8
4
20 mm)
6
1
1
: 1 channel
2
PD78323, 78324
16, 32
16), bit manipu-
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