UPD784026 Renesas Electronics Corporation., UPD784026 Datasheet - Page 733

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

Item
Asynchronous serial
interface
Clocked serial
interface 3-wire
serial I/O
Clocked serial
interface
Clock output function
Edge detection
function
Interrupt function
Macro service
function
APPENDIX A DIFFERENCES BETWEEN
Table A-1 Differences Between PD784026 Subseries and PD78234 Subseries (3/4)
Baud rate generation by timer/
counter 3
Dual-function mode
Transfer order
Internal serial clock
Transfer order in 3-wire
serial I/O mode
SO0 pin level control in 3-wire
serial I/O mode
INTP4/INTP5 noise elimination
method
INTP0 noise elimination sampling
clock
Interrupt sources
Context switching function
Multiprocessing priority
Control register for each
interrupt request source
Vector table & macro service
control word address
SFR address when type A or
type C is used
Type C MPD & MPT decrementing
Type A, type B & type C timing
data 16-bit data transfer
Operation when macro service
counter reaches 0
selectable
Type B & type C macro service
counter
Counter mode
Series Name
PD784026 SUBSERIES AND
Not possible
Asynchronous serial interface mode SBI mode
n = 0-11
m = 1, 16-30
Possible
Provided
operand error interrupt, and
23 hardware interrupts
interrupt request source
Programmable
Possible
Possible
Provided
MSB-first/LSB-first switchable
MSB-first/LSB-first switchable
Analog delay
Selectable
BRK & BRKCS instructions,
Provided
4 levels
Register provided for each
Varies. Compare individual device user’s manuals, etc., for details
Generation or non-generation of
vectored interrupt request
Fixed 16-bit
f
XX
2
2
PD784026 Subseries
n
1
3
m
1
PD78234 SUBSERIES
TM3 output, f
switchable
Not possible
Not provided
hardware interrupts
2 levels
by-function basis
Fixed for each interrupt
request source
Not possible
Not possible
Not provided
Possible
MSB-first only
MSB-first only
Clock sampling
Fixed
BRK instruction and 19
Not provided
Registers provided on function-
Vectored interrupt request
always generated
8/16-bit switchable
PD78234 Subseries
CLK
/8, f
CLK
/16
693