s908ey8ad4cfjer Freescale Semiconductor, Inc, s908ey8ad4cfjer Datasheet - Page 126

• Manufacturer Part Number: s908ey8ad4cfjer
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Enhanced Serial Communications Interface (ESCI) Module
ESCI I/O lines are implemented by sharing parallel I/O port pins. The full name of an ESCI input or output
reflects the name of the shared port pin.
ESCI I/O pins. The generic pin names appear in the text of this section.
126
V
OSC2
OSC1
V
REGISTERS
V
FLASH PROGRAMMING (BURN-IN) ROM
V
REFH
REFL
RST
V
IRQ
V
DDA
SSA
CONTROL AND STATUS REGISTERS
CPU
DD
SS
USER FLASH VECTOR SPACE
M68HC08 CPU
MONITOR ROM
15,872 BYTES
USER FLASH
1024 BYTES
USER RAM
512 BYTES
310 BYTES
64 BYTES
36 BYTES
10-BIT ANALOG-TO-DIGITAL
INTEGRATION MODULE
SINGLE EXTERNAL IRQ
GENERATOR MODULE
CONVERTER MODULE
24 INTERNAL SYSTEM
Figure 13-1. Block Diagram Highlighting ESCI Block and Pins
Generic Pin Names
INTERNAL CLOCK
ARITHMETIC/LOGIC
MODULE
POWER
Full Pin Names
UNIT (ALU)
MC68HC908EY16 • MC68HC908EY8 Data Sheet, Rev. 10
Table 13-1. Pin Name Conventions
Table 13-1
PTE1/RxD
2-CHANNEL TIMER INTERFACE
2-CHANNEL TIMER INTERFACE
RxD
CONFIGURATION REGISTER
SERIAL COMMUNICATION
COMPUTER OPERATING
SINGLE BREAKPOINT
INTERFACE MODULE
SERIAL PERIPHERAL
INTERRUPT MODULE
PROPERLY MODULE
INTERFACE MODULE
TIMEBASE MODULE
PERIODIC WAKEUP
shows the full names and the generic names of the
BREAK MODULE
5-BIT KEYBOARD
INTERNAL BUS
BEMF MODULE
PRESCALER
ENHANCED
MODULE A
MODULE B
MODULE
ARBITER
MODULE
MODULE
PTE0/TxD
TxD
Freescale Semiconductor
POWER-ON RESET
SECURITY
MODULE
MODULE
PTA6/SS
PTA5/SPSCK
PTA4/KBD4
PTA3/KBD3
PTA2/KBD2
PTA1/KBD1
PTA0/KBD0
PTB7/AD7/TBCH1
PTB6/AD6/TBCH0
PTB5/AD5
PTB4/AD4
PTB3/AD3
PTB2/AD2
PTB1/AD1
PTB0/AD0
PTC4/OSC1
PTC3/OSC2
PTC2/MCLK
PTC1/MOSI
PTC0/MISO
PTD1/TACH1
PTD0/TACH0
PTE1/RxD
PTE0/TxD