Arcam RDOCK Service Manual - Page 14

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Arcam RDOCK Service Manual
MAIN BOARD
IC4: MAX3227ECDBT
PTA0/TCH0/KBI0
PTA1/TCH1/KBI1
PTA2/IRQ/KBI2/TCLK
PTA3/RST/KBI3
PTA4/OSC2/KBI4
PTA5/OSC1/KBI5
PTB0
PTB1
PTB2
PTB3
PTB4
PTB5
PTB6
PTB7
MC68HC908QY1A
128 BYTES
USER RAM
POWER SUPPLY
RST, IRQ: Pins have internal pull up device
All port pins have programmable pull up device
PTA[0:5]: Higher current sink and source capability
PTB[0:7]: Not available on 8-pin devices
PTA0/TCH0/KBI0
1
PTB1
2
PTB0
3
V
4
SS
V
5
DD
6
PTB7
7
PTB6
8
PTA5/OSC1/KBI5
M68HC08 CPU
MC68HC908QY1A
1536 BYTES
USER FLASH
V
DD
V
SS
- 14 -
16
PTA1/TCH1/KBI1
15
PTB2
14
PTB3
13
PTA2/IRQ/KBI2/TCLK
12
PTA3/RST/KBI3
11
PTB4
10
PTB5
9
PTA4/OSC2/KBI4
KEYBOARD INTERRUPT
DEVELOPMENT SUPPORT
CLOCK
GENERATOR
MODULE
SINGLE INTERRUPT
MODULE
AUTO WAKEUP
MODULE
LOW-VOLTAGE
INHIBIT
2-CHANNEL 16-BIT
TIMER MODULE
COP
MODULE
6-CHANNEL
10-BIT ADC
MONITOR ROM
BREAK MODULE