upd64a Renesas Electronics Corporation., upd64a Datasheet - Page 3

• Manufacturer Part Number: upd64a
• Description: 4-bit Single-chip Microcontroller For Infrared Remote Control Transmission
• Manufacturer: Renesas Electronics Corporation.

BLOCK DIAGRAM
LIST OF FUNCTIONS
ROM capacity
RAM capacity
Stack
I/O pins
Number of keys
Clock frequency
Instruction execution time
Carrier frequency
Timer
POC circuit
Supply voltage
Operating ambient temperature
Package
S
1
/LED
REM
Item
Carrier
generator
9-bit
timer
1002
Mask ROM
32
1 level (multiplexed with RF of RAM)
• Key input (K
• Key I/O (K
• Key extended input (S
• Remote control transmission display output (LED): 1 (alternate function as S
• 32
• 56 (when extended by key extension input)
Ceramic oscillation
• f
16 s (f
f
9-bit programmable timer: 1 channel
On chip
V
T
20-pin plastic SSOP (7.62 mm (300))
X
DD
A
/8, f
X
= –40 to +85 C
= 2.4 to 8 MHz
= 2.0 to 3.6 V
4 bits
X
/16, f
10 bits
X
= 4 MHz)
PD64A
X
I/O
/64, f
RAM
CPU
core
Data Sheet U14380EJ3V0DS00
I
):
):
X
/96, f
X
0
/128, f
, S
ROM
1
, S
2026
X
2
):
/192, no carrier (high level)
10 bits
4
8
3
PD65
Port K
System
control
Port K
Port S
4
8
3
I/O
I
Ceramic oscillation
• f
V
One-time PROM
DD
X
4
8
3
= 2.4 to 4.8 MHz
= 2.2 to 3.6 V
K
K
S
X
X
V
GND
I0
I/O0
0
IN
OUT
DD
, S
PD64A, 65
PD6P5
to K
to K
1
/LED, S
I3
I/O7
1
pin)
2
3