
PRODUCT OVERVIEW
KS57C5616/P5616 (Preliminary Spec)
1-2
FEATURES SUMMARY
Memory
16K
×
8-bit ROM
5,120
×
4-bit RAM (excluding LCD RAM)
I/O Pins
15 I/O (Not including COM/SEG)
43 I/O (Including COM/SEG)
Memory-Mapped I/O Structure
Data memory bank 15
8-bit Basic Timer
Four interval timer functions
Watch-dog timer
8-bit Timer/Counter
Programmable 8-bit timer
External event counter
Arbitrary clock frequency output
External clock signal divider
16-Bit Timer/Counter
Programmable 16-bit timer
External event counter
Arbitrary clock frequency output
External clock signal divider
Configurable as two 8-bit Timers
Serial I/O interface clock generator
Watch Timer
Time interval generation: 0.5 s, 3.9 ms
at 32.768 kHz
4 frequency outputs to BUZ pin (0.5, 1, 2, 4 kHz)
at 32.768 kHz
Comparator
4-channel mode: Internal reference (4-bit
resolution); 16-step variable reference voltage
3-channel mode: External reference
8-bit Serial I/O Interface
8-bit transmit/receive mode
8-bit receive mode
LSB-first or MSB-first transmission selectable
DTMF Generator
16 dual-tone for tone dialing
LCD Controller/Driver
60 SEG x 16 COM terminals
8, 12 and 16 com selectable
COM 8–15: shared with port
SEG40–59: shared with port
Two kinds of LCD bias resistor value
Bit Sequential Carrier
Supports 16-bit serial data transfer in arbitrary
format
Interrupts
Four external interrupt vectors
Five internal interrupt vectors
Two quasi-interrupts
Power-Down Modes
Idle mode (only CPU clock stops)
Stop mode (main system oscillation stops)
Subsystem clock stop mode
Oscillation Sources
RC, Crystal or Ceramic for system clock
Oscillation frequency: 0.4–6.0 MHz
CPU clock divider circuit (by 4, 8, or 64)
Instruction Execution Times
1.12, 2.23, 17.88 μs at 3.58 MHz
0.67, 1.33, 10.7 μs at 6.0 MHz
122 μs at 32.768 kHz (subsystem)
Operating Temperature
– 40
°
C to 85
°
C
Operating Voltage Range
1.8 V to 5.5 V (except DTMF and Comparator)
2 V to 5.5 V (include DTMF)
4.0 V to 5.5 V (include Comparator)
Package Type
100-pin QFP (1420C)