s908gr32ag3vfa Freescale Semiconductor, Inc, s908gr32ag3vfa Datasheet - Page 152

• Manufacturer Part Number: s908gr32ag3vfa
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Enhanced Serial Communications Interface (ESCI) Module
152
V
V
1. Pin contains integrated pullup device.
2. Ports are software configurable with pullup device if input port or pullup/pulldown device for keyboard input.
3. Higher current drive port pins
CONTROL AND STATUS REGISTERS — 64 BYTES
DDAD
SSAD
CGMXFC
USER FLASH VECTOR SPACE — 52 BYTES
REGISTERS
/V
RST
/V
IRQ
OSC1
OSC2
V
V
REFH
REFL
V
V
DDA
SSA
CPU
DD
SS
(1)
(1)
USER FLASH — 62,078 BYTES
USER RAM — 2048 BYTES
MONITOR ROM
CLOCK GENERATOR MODULE
M68HC08 CPU
MC68HC908GR60A • MC68HC908GR48A • MC68HC908GR32A Data Sheet, Rev. 5
10-BIT ANALOG-TO-DIGITAL
PHASE LOCKED LOOP
SYSTEM INTEGRATION
1–8 MHz OSCILLATOR
CONVERTER MODULE
INTERRUPT MODULE
Figure 13-1. Block Diagram Highlighting ESCI Block and Pins
SINGLE EXTERNAL
POWER-ON RESET
ARITHMETIC/LOGIC
MODULE
MODULE
POWER
UNIT (ALU)
LOW-VOLTAGE INHIBIT MODULE
CONFIGURATION REGISTER 1–2
2-CHANNEL TIMER INTERFACE
6-CHANNEL TIMER INTERFACE
SINGLE BREAKPOINT BREAK
PROGRAMMABLE TIMEBASE
COMPUTER OPERATING
MONITOR MODE ENTRY
INTERRUPT MODULE
INTERFACE MODULE
INTERFACE MODULE
SERIAL PERIPHERAL
PROPERLY MODULE
ENHANCED SERIAL
COMMUNICATIONS
8-BIT KEYBOARD
DUAL VOLTAGE
INTERNAL BUS
MEMORY MAP
SECURITY
MODULE
MODULE
MODULE
MODULE
MODULE
MODULE
MODULE
MODULE
Freescale Semiconductor
PTA7/KBD7/AD15–
PTA0/KBD0/AD8
PTB7/AD7–PTB0/AD0
PTG7/AD23–
PTG0/AD16
PTC6
PTC5
PTC4
PTC3
PTC2
PTC1
PTC0
PTD7/T2CH1
PTD6/T2CH0
PTD5/T1CH1
PTD4/T1CH0
PTD3/SPSCK
PTD2/MOSI
PTD1/MISO
PTD0/SS/MCLK
PTE5–PTE2
PTF7/T2CH5
PTF6/T2CH4
PTF5/T2CH3
PTF4/T2CH2
PTF3–PFT0
PTE1/RxD
PTE0/TxD
(2)
(2)
(2, 3)
(2, 3)
(2, 3)
(2, 3)
(2, 3)
(2)
(2)
(3)
(2)
(2)
(2)
(2)
(2)
(2)
(2)