MC68HC908GR8CFA Freescale Semiconductor, MC68HC908GR8CFA Datasheet - Page 20

• Manufacturer Part Number: MC68HC908GR8CFA
• Description: IC MCU FLSH 8BIT8MHZ 7.5K32-LQFP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC68HC908GR8CFA

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SCI, SPI
• Peripherals: LVD, POR, PWM
• Number Of I /o: 21
• Program Memory Size: 7.5KB (7.5K x 8)
• Program Memory Type: FLASH
• Ram Size: 384 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 6x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

List of Figures
Technical Data
20
7-4
7-5
7-6
7-7
7-8
7-9
7-10 PLL Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .127
8-1
8-2
9-1
9-2
10-1 CPU registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140
10-2 Accumulator (A) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
10-3 Index register (H:X). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
10-4 Stack pointer (SP). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
10-5 Program counter (PC). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
10-6 Condition code register (CCR) . . . . . . . . . . . . . . . . . . . . . . . . 143
11-1 FLASH Control Register (FLCR) . . . . . . . . . . . . . . . . . . . . . . 159
11-2 FLASH Programming Flowchart . . . . . . . . . . . . . . . . . . . . . . . 164
11-3 FLASH Block Protect Register (FLBPR). . . . . . . . . . . . . . . . . 165
11-4 FLASH Block Protect Start Address . . . . . . . . . . . . . . . . . . . . 165
12-1 IRQ Module Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . .169
12-2 IRQ I/O Register Summary. . . . . . . . . . . . . . . . . . . . . . . . . . . 169
12-3 IRQ Status and Control Register (INTSCR) . . . . . . . . . . . . . . 172
13-1 Keyboard Module Block Diagram . . . . . . . . . . . . . . . . . . . . . .177
13-2 I/O Register Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177
13-3 Keyboard Status and Control Register (INTKBSCR) . . . . . . . 181
13-4 Keyboard Interrupt Enable Register (INTKBIER) . . . . . . . . . . 182
14-1 LVI Module Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . 185
14-2 LVI I/O Register Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . 186
14-3 LVI Status Register (LVISR) . . . . . . . . . . . . . . . . . . . . . . . . . . 187
15-1 Monitor Mode Circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191
15-2 Low-Voltage Monitor Mode Entry Flowchart. . . . . . . . . . . . . . 195
15-3 Monitor Data Format. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196
15-4 Break Transaction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196
15-5 Read Transaction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 198
15-6 Write Transaction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 198
15-7 Stack Pointer at Monitor Mode Entry . . . . . . . . . . . . . . . . . . .202
Freescale Semiconductor, Inc.
For More Information On This Product,
PLL Control Register (PCTL) . . . . . . . . . . . . . . . . . . . . . . . . . 115
PLL Bandwidth Control Register (PBWC) . . . . . . . . . . . . . . . 118
PLL Multiplier Select Register High (PMSH) . . . . . . . . . . . . . 119
PLL Multiplier Select Register Low (PMSL) . . . . . . . . . . . . . . 120
PLL VCO Range Select Register (PMRS) . . . . . . . . . . . . . . . 121
PLL Reference Divider Select Register (PMDS) . . . . . . . . . . 122
Configuration Register 2 (CONFIG2) . . . . . . . . . . . . . . . . . . .130
Configuration Register 1 (CONFIG1) . . . . . . . . . . . . . . . . . . .130
COP Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134
COP Control Register (COPCTL) . . . . . . . . . . . . . . . . . . . . . .136
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List of Figures
MC68HC908GR8 — Rev 4.0
MOTOROLA