MC9RS08KB4CFK Freescale Semiconductor, MC9RS08KB4CFK Datasheet - Page 3

• Manufacturer Part Number: MC9RS08KB4CFK
• Description: 8-bit Microcontrollers - MCU 8BIT 4K FLASH
• Manufacturer: Freescale Semiconductor

Specifications of MC9RS08KB4CFK

• Rohs: yes
• Core: RS08
• Processor Series: MC9RS08KB12
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 20 MHz
• Program Memory Size: 4 KB
• Data Ram Size: 126 B
• On-chip Adc: Yes
• Operating Supply Voltage: 1.8 V to 5.5 V
• Operating Temperature Range: - 40 C to + 85 C
• Package / Case: QFN-24
• Mounting Style: SMD/SMT

1
The block diagram,
2
This section shows the pin assignments in the packages available for the MC9RS08KB12 series.
Freescale Semiconductor
V
V
RESET
V
V
V
DD
SS
PP
DD
SS
MC9RS08KB12/KB8 = 254 BYTES
MC9RS08KB4/KB2 = 126 BYTES
MCU Block Diagram
Pin Assignments
RESETS AND INTERRUPTS
LOW-POWER OSCILLATOR
20 MHz INTERNAL CLOCK
WAKEUP
RS08 SYSTEM CONTROL
31.25 kHz to 39.0625 kHz
MODES OF OPERATION
VOLTAGE REGULATOR
POWER MANAGEMENT
MC9RS08KB12 = 12 KB
MC9RS08KB8 = 8 KB
MC9RS08KB4 = 4 KB
MC9RS08KB2 = 2 KB
COP
CPU
V
V
V
V
1 MHz to 16 MHz
REFH
REFL
DDAD
SSAD
SOURCE (ICS)
USER FLASH
USER RAM
RS08 CORE
(XOSC)
1. PTA5/TCLK/RESET/V
2. PTA4/ACMPO/BKGD/MS is an output-only pin when used as port pin
Figure
BDC
LVD
RTI
1, shows the structure of the MC9RS08KB12 MCU.
Figure 1. MC9RS08KB12 Series Block Diagram
MC9RS08KB12 Series MCU Data Sheet, Rev. 5
EXTAL
XTAL
SERIAL COMMUNICATION
ANALOG COMPARATOR
CIRCUIT MODULE (IIC)
INTER-INTEGRATED
ANALOG-TO-DIGITAL
CONVERTER(ADC)
2-CH TIMER/PWM
8-BIT KEYBOARD
INTERFACE (SCI)
PP
INTERRUPT(KBI)
MODULO TIMER
MODULO TIMER
MODULE (TPM)
12-CH 10-BIT
NOTES:
is an input-only pin when used as port pin
(MTIM1)
(MTIM2)
(ACMP)
ACMP+
ACMP-
ACMPO
TxD
TPMCH0
TPMCH1
TCLK
TCLK
ADP[3:0]
ADP[7:4]
ADP[11:8]
KBIP[3:0]
KBIP[7:4]
RxD
TCLK
SCL
SDA
PTC1/ADP9
PTB0/KBIP4/RxD/ADP4
PTB1/KBIP5/TxD/ADP5
PTB2/KBIP6/ADP6
PTB3/KBIP7/ADP7
PTB4/TPMCH0
PTB5/TPMCH1
PTB6/SDA/XTAL
PTB7/SCL/EXTAL
PTC0/ADP8
PTC2/ADP10
PTC3/ADP11
PTA0/KBIP0/TPMCH0/ADP0/ACMP+
PTA1/KBIP1/TPMCH1/ADP1/ACMP–
PTA2/KBIP2/SDA/RxD/ADP2
PTA3/KBIP3/SCL/TxD/ADP3
PTA4/ACMPO/BKGD/MS
PTA5/TCLK/RESET/V
MCU Block Diagram
PP
1
2
3