Citizen CBM-202LA s, Specifications

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4.4 TERMINALS AND THEIR FUNCTIONS
PIN
NO.
SIGNAL
NAME
I/O
DIRECTION
PIN CHARACTERISTIC FUNCTION
1 GND - GND
2 RAMOE Output CMOS9mA type with pull-up OE/RFSH pin of PS-RAM
3 DRQ Output CMOS9mA type with pull-up DMA request
4 HVC Output CMOS9mA type Head voltage control
5 HRCHK Output CMOS9mA type Changeover of Head cut-off detect voltage
6 HODATA Input CMOS type with pull-up Input of preceding data
7 EHCLK Output CMOS13.5mA type with pull-up Head clock output
8 EHDATA Output CMOS13.5mA type with pull-up Head data output
9 STB1 Output CMOS 13.5mA type Head strobe signal
10 STB2 Output CMOS13.5mA type Head strobe signal
11 STB3 Output CMOS13.5mA type Head strobe signal
12 Vdd - Vdd
13 STBLOG Input CMOS type with pull-up Head strobe signal logic
14 PART2 Input CMOS type with pull-up 2/3 split drive changeover
15 GND - GND
16 GND - GND
17 D0 I/O CMOS type with pull-up Data bus
18 D1 I/O CMOS type with pull-up Data bus
19 D2 I/O CMOS type with pull-up Data bus
20 D3 I/O CMOS type with pull-up Data bus
21 D4 I/O CMOS type with pull-up Data bus
22 D5 I/O CMOS type with pull-up Data bus
23 D6 I/O CMOS type with pull-up Data bus
24 D7 I/O CMOS type with pull-up Data bus
25 Vdd - VDD
26 PA17 Input CMOS type with pull-up Preset SW input
27 PA16 Input CMOS type with pull-up Preset SW input
28 PA15 Input CMOS type with pull-up Preset SW input
29 PA14 Input CMOS type with pull-up Preset SW input
30 PA13 Input CMOS type with pull-up Preset SW input
31 PA12 Input CMOS type with pull-up Preset SW input
32 PAI1 Input CMOS type with pull-up Preset SW input
33 PAI0 Input CMOS type with pull-up Preset SW input
34 PB17 Input CMOS type with pull-up Preset SW input
35 PBI6 Input CMOS type with pull-up Preset SW input
36 PBI5 Input CMOS type with pull-up Preset SW input
37 PB14 Input CMOS type with pull-up Preset SW input
38 PB13 Input CMOS type with pull-up Preset SW input
39 PBI2 Input CMOS type with pull-up Preset SW input
40 GND - GND
41 Vdd - VDD
42 PBI1 Input CMOS type with pull-up Preset SW input
43 PBI0 Input CMOS type with pull-up Preset SW input
44 PC17 Input CMOS type with pull-up Preset & Centro-data input
45 PC16 Input CMOS type with pull-up Preset & Centro-data input