
CHAPTER 1 INTRODUCTION
Preliminary User’s Manual U16895EJ1V0UD
33
1.7 Overview of Functions
Part Number
PD703308/
PD703308Y
PD70F3306/
PD70F3306Y
PD70F3308/
PD70F3308Y
ROM
256 KB
128 KB
(single-power flash memory)
256 KB
(single-power flash memory)
Internal
memory
High-speed RAM
12 KB
6 KB
12 KB
Buffer RAM
32 bytes
Logical space
64 MB
Memory
space
External memory
area
128 KB
External bus interface
Address/data bus: 16
Multiplex bus mode
General-purpose registers
32 bits
× 32 registers
Ceramic/crystal/external clock
When PLL not used
2 to 8 MHz
Note 1: 2.7 to 5.5 V
REGC pin connected directly to VDD
2 to 5 MHz: 4.5 to 5.5 V, 2 MHz: 2.7 to 5.5 V
Main clock
(oscillation frequency)
When PLL
used
10
F capacitor connected to REGC pin
2 MHz: 4.0 to 5.5 V
Subclock
(oscillation frequency)
Crystal/external clock
(32.768 kHz)
Minimum instruction
execution time
50 ns (When main clock operated at (fXX) = 20 MHz)
DSP function
32
× 32 = 64: 200 to 250 ns (at 20 MHz)
32
× 32 + 32 = 32: 300 ns (at 20 MHz)
16
× 16 = 32: 50 to 100 ns (at 20 MHz)
16
× 16 + 32 = 32: 150 ns (at 20 MHz)
I/O ports
67
Input: 8
I/O: 59 (among these, N-ch open-drain output selectable: 6, fixed to N-ch open-drain output: 2)
Timer
16-bit timer/event counter P: 1 channel
16-bit timer/event counter 0: 2 channels
8-bit timer/event counter 5: 2 channels
(16-bit timer/event counter: usable as 1 channel)
8-bit timer H: 2 channels
Watchdog timer: 2 channels
Watch timer: 1 channel
8-bit interval timer: 1 channel
Real-time output port
4 bits
× 1, 2 bits × 1, or 6 bits × 1
A/D converter
10-bit resolution
× 8 channels
Serial interface
CSI: 2 channels
CSIA (with automatic transmit/receive function): 1 channel
UART (supporting LIN): 1 channel
UART: 1 channel
I
2C bus: 1 channelNote 2
Dedicated baud rate generator: 2 channels
Interrupt sources
External: 10 (10)
Note 3, internal: 30Note 2/29
Power save function
STOP/IDLE/HALT/sub-IDLE mode
Operating supply voltage
4.5 to 5.5 V (at 20 MHz)/2.7 to 5.5 V (at 8 MHz)
Package
80-pin plastic TQFP (fine pitch) (12
× 12 mm)
80-pin plastic QFP (14
× 14 mm)
Notes 1. These values may change after evaluation.
2. Only in the
PD703308Y, 70F3306Y, 70F3308Y
3. The figure in parentheses indicates the number of external interrupts for which STOP mode can be
released.