
Chapter 8 Analog Comparator 5-V (S08ACMPV3)
MC9S08SG32 Data Sheet, Rev. 7
114
Freescale Semiconductor
Figure 8-1. MC9S08SG32 Series Block Diagram Highlighting ACMP Block and Pins
PTB7/SCL/EXTAL
PTB5/TPM1CH1/SS
PTB4/TPM2CH1/MISO
PTB3/PIB3/MOSI/ADP7
PTB2/PIB2/SPSCK/ADP6
PTB1/PIB1/TxD/ADP5
PTB0/PIB0/RxD/ADP4
POR
T
B
PTB6/SDA/XTAL
BKGD/MS
RESET
IIC MODULE (IIC)
SERIAL PERIPHERAL
INTERFACE MODULE (SPI)
USER FLASH
USER RAM
HCS08 CORE
CPU
BDC
HCS08 SYSTEM CONTROL
RESETS AND INTERRUPTS
MODES OF OPERATION
POWER MANAGEMENT
COP
LVD
INTERFACE MODULE (SCI)
SERIAL COMMUNICATIONS
8-BIT MODULO TIMER
MODULE (MTIM)
VOLTAGE REGULATOR
POR
T
A
DEBUG MODULE (DBG)
MISO
SCL
SDA
MOSI
SPSCK
RxD
TxD
LOW-POWER OSCILLATOR
40-MHz INTERNAL CLOCK
SOURCE (ICS)
31.25 kHz to 38.4 kHz
1 MHz to 16 MHz
(XOSC)
EXTAL
XTAL
VSS
VDD
VSSA
VDDA
VREFL
VREFH
ANALOG-TO-DIGITAL
CONVERTER (ADC)
10-BIT
SS
TCLK
16-BIT TIMER/PWM
MODULE (TPM2)
TCLK
PTA2/PIA2/SDA/ACMPO/ADP2
PTA0/PIA0/TPM1CH0/TCLK/ADP0/ACMP+
REAL-TIME COUNTER (RTC)
(MC9S08SG32 = 32,768
BYTES)(MC9S08SG16 = 16,384
(MC9S08SG32/16 = 1024 BYTES)
VDDA/VREFH
VSSA/VREFL
ANALOG COMPARATOR
(ACMP)
ACMPO
ACMP–
ACMP+
TPM2CH0
TPM2CH1
ADP15-ADP0
PTA7/TPM2CH1
PTA6/TPM2CH0
PTC7/ADP15
PTC5/ADP13
PTC4/ADP12
PTC3/ADP11
PTC2/ADP10
POR
T
C
PTC6/ADP14
16-BIT TIMER/PWM
MODULE (TPM1)
TCLK
TPM1CH0
TPM1CH1
PTC1/TPM1CH1/ADP9
PTC0/TPM1CH0/ADP8
NOTE
Δ = Pin can be enabled as part of the ganged output drive feature
Δ
PTA1/PIA1/TPM2CH0/ADP1/ACMP–
PTA3/PIA3/SCL/ADP3