MC68HC912B32 Datasheet, PDF (5/128 Pages) Motorola, Inc – 16-Bit Microcontroller

1.3 MC68HC912B32 Block Diagram
V_FP
BKGD
EXTAL
XTAL
RESET
PE0
PE1
PE2
PE3
PE4
PE5
PE6
PE7
32-KBYTE FLASH EEPROM
1-KBYTE RAM
768-BYTE EEPROM
CPU12
SMODN / TAGHI
SINGLE-WIRE
BACKGROUND
DEBUG MODULE
PERIODIC INTERRUPT
COP WATCHDOG
CLOCK MONITOR
BREAK POINTS
XIRQ
IRQ/V_PP
R/W
LSTRB / TAGLO
ECLK
IPIPE0 / MODA
IPIPE1 / MODB
DBE
LITE
INTEGRATION
MODULE
(LIM)
MULTIPLEXED ADDRESS/DATA BUS
DDRA
PORT A
DDRB
PORT B
AN0
AN1
ATD
AN2
CONVERTER
AN3
AN4
AN5
AN6
AN7
IOC0
IOC1
IOC2
TIMER AND
IOC3
PULSE
OC7 _IOC4
ACCUMULATOR
IOC5
IOC6
PAI
SCI
RxD
TxD
I/O
I/O
I/O
SDI/MISO
SDO/MOSI
SPI
SCK
CS/SS
PW0
PWM
PW1
PW2
PW3
I/O
I/O
I/O
I/O
I/O
V_RH
V_RL
V_DDA
V_SSA
V_RH
V_RL
V_DDA
V_SSA
PAD0
PAD1
PAD2
PAD3
PAD4
PAD5
PAD6
PAD7
PT0
PT1
PT2
PT3
PT4
PT5
PT6
PT7
PS0
PS1
PS2
PS3
PS4
PS5
PS6
PS7
PP0
PP1
PP2
PP3
PP4
PP5
PP6
PP7
WIDE
BUS
BDLC
I/O
DLCRx
DLCTx
I/O
I/O
I/O
I/O
I/O
PDLC0
PDLC1
PDLC2
PDLC3
PDLC4
PDLC5
PDLC6
NARROW BUS
V_DD × 2
V_SS × 2
POWER FOR
INTERNAL
CIRCUITRY
V_DDX × 2
V_SSX × 2
POWER FOR
I/O DRIVERS
MC68HC912B32
MC68HC912B32TS/D
Figure 1 MC68HC912B32 Block Diagram
MOTOROLA
5