MC908AZ32ACFU Freescale Semiconductor, MC908AZ32ACFU Datasheet - Page 163

• Manufacturer Part Number: MC908AZ32ACFU
• Description: IC MCU 32K FLASH 8.4MHZ 64-QFP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC908AZ32ACFU

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: CAN, SCI, SPI
• Peripherals: LVD, POR, PWM
• Number Of I /o: 40
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 15x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

SCR2 – SCR0 — SCI Baud Rate Select Bits
Table 16-11
Freescale Semiconductor
These read/write bits select the SCI baud rate divisor as shown in
SCR2–SCR0.
Use the following formula to calculate the SCI baud rate:
where:
f
PD = prescaler divisor
BD = baud rate divisor
Crystal
shows the SCI baud rates that can be generated with a 4.9152-MHz crystal.
= crystal frequency
Baud rate
SCR[2:1:0]
000
001
010
011
100
101
110
111
Table 16-10. SCI Baud Rate Selection
=
MC68HC908AZ32A Data Sheet, Rev. 2
----------------------------------- -
64
f Crystal
×
PD BD
×
Baud Rate Divisor (BD)
128
16
32
64
1
2
4
8
Table
16-10. Reset clears
I/O Registers
163