UPD784026 Renesas Electronics Corporation., UPD784026 Datasheet - Page 53

• Manufacturer Part Number: UPD784026
• Description: 16/8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

1.7.2 Main Differences between PD784026 Subseries and PD78234 Subseries
Item
Number of basic instructions (mnemonics)
Minimum instruction execution time
Memory space (program/data)
Timer/counter
Clock output function
Watchdog timer
Serial interface
Interrupts
Standby functions
Operating clock switching
Pin functions
Packages
Remark See APPENDIX A DIFFERENCES BETWEEN PD784026 SUBSERIES AND PD78234 SUBSERIES for
details.
Context switching
Priority
Counter mode
MODE pin
TEST pin
Series Name
113
160 ns (25 MHz operation)
1 M bytes in total
• 16-bit timer/counter
• 8/16-bit timer/counter
• 8/16-bit timer
Provided
Provided
• UART/IOE
• CSI (IOE/SBI)
Provided
4 levels
Provided
3 modes: HALT/STOP/IDLE
f
(except for PD784020, 784021)
None
Device test pin
• 80-pin plastic QFP (14
• 80-pin plastic TQFP (fine-pitch)
• 80-pin ceramic WQFN (14
XX
(12
:
/2, f
CHAPTER 1 GENERAL
PD78P4026 only
XX
12 mm):
/4, f
PD784026 Subseries
XX
/8, f
2 channels
XX
1
1 channel
PD784021 only
/16 can be selected.
1
2
14 mm)
14 mm)
65
333 ns (12 MHz operation)
64 K bytes/1 M bytes
• 16-bit timer/counter
• 8-bit timer/counters
• 8-bit timer
Not provided
Not provided
• UART
• CSI (IOE/SBI)
Not provided
2 levels
Not provided
2 modes: HALT/STOP
f
ROM-less mode specified
Always high in PD78233/78237
None
Always low in normal operation
• 80-pin plastic QFP (14
• 94-pin plastic QFP (20
• 84-pin plastic QFJ (1150
• 94-pin ceramic WQFN (14
XX
:
/2 only
PD78P238 only
1 channel
PD78234 Subseries
1
1 channel
2
1
14 mm)
20 mm)
1150 mil)
14 mm)
13