UPD78320 Datasheet, PDF (7/88 Pages) NEC – 16/8-BIT SINGLE-CHIP MICROCONTROLLER

µPD78320, 78322
GENERAL DESCRIPTION OF FUNCTIONS
Basic instructions
Minimum instruction
execution time
Internal memory
Memory space
General registers
I/O line
Realtime pulse unit
Serial communication
interface
A/D converter
Interrupt
Test factor
Standby
Instruction set
Others
Package
111
250 ns (with 16 MHz external clock in operation)
• ROM : 16384 × 8 bits (µPD78322)
None
(µPD78320)
• RAM : 640 × 8 bits
64K bytes
8 bits × 16 × 8 banks (memory mapping)
• Input port
• Input/output port
: 16 (dual-function as analog input: 8)
: 39 (µPD78322)
21 (µPD78320)
• 18-/16-bit free running timer × 1
• 16-bit timer/event counter × 1
• 16-bit compare register × 6
• 18-bit capture register × 4
• 18-bit capture/compare register × 2
• Realtime output port × 8
Serial interface with a dedicated baud rate generator
• UART
: 1 channel
• SBI (NEC Serial Bus Interface) : 1 channel
10-bit resolution (8 analog inputs)
• External : 8, internal : 14 (dual-function as external : 2)
• 3 servicing modes
(vectored interrupt function, context switching function, and macro service function)
Internal : 1
STOP mode/HALT mode
16-bit transfer/operation instruction, multiplication/division instruction (16 × 16, 32 ÷ 16), bit manipu-
lation instruction, string instruction, etc.
On-chip watchdog timer
• 68-pin plastic QFJ ( 950 mil)
• 74-pin plastic QFP (20 × 20 mm)
• 80-pin plastic QFP (14 × 20 mm)
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