DS4830 Datasheet, PDF (13/29 Pages) Maxim Integrated Products – Optical Microcontroller 16-Bit MAXQ20 Low-Power Microcontroller

DS4830
Optical Microcontroller
Pin Description (continued)
PIN NAME
INPUT
STRUCTURE(S)
OUTPUT POWER-ON
STRUCTURE STATE
SELECTABLE FUNCTIONS
(FIRST COLUMN IS DEFAULT FUNCTION)
PORT
9
GP3
SH input, ADC Input
None
High
ADC-S3
ADC- ADC-
—
—
Impedance
SHN0 D1N
10
GP4
ADC/Digital Input
Push-Pull
55µA Pullup JTAG TCK ADC-S4 ^ADC-
D2P
—
P6.0
11
GP5
ADC/Digital Input
Push-Pull
55µA Pullup
JTAG TDI ADC-S5 ^ADC-
D2N
—
P6.1
12
GP6
13
GP7
ADC/Digital Input
ADC/Digital Input
Push-Pull 55µA Pullup ADC-S6
Push-Pull 55µA Pullup ADC-S7
ADC-
D3P
ADC-
D3N
PW2
PW3
SPI
SSPIDO
SPI
SSPICS
P2.2
P2.3
ADC/Digital I/P,
14
GP8
External Temp A+ I/P Push-Pull 55µA Pullup ADC-S8
ADC-
—
(ADC-TEXT_A)
D4P
—
P2.4
ADC/Digital I/P,
ADC-
15
GP9
External Temp A- I/P Push-Pull 55µA Pullup ADC-S9
D4N
—
(ADC-TEXT_A)
—
P2.5
16
REG18
V_REG, ADC Input
(ADC-1P8)
None
1.8V
Pin for 1.8V regulator bypass capacitor
—
ADC/Digital I/P,
17
GP10
External Temp A+ I/P Push-Pull
55µA Pullup JTAG TMS ^ADC-
ADC-
—
P6.2
(ADC-TEXT_B)
S10
D5P
ADC/Digital I/P,
ADC- ADC-
18
GP11
External Temp A+ I/P Push-Pull
55µA Pullup JTAG TDO
S11
D5N
—
P6.3
(ADC-TEXT_B)
SH Input, ADC/Digital
ADC- ADC-
19
GP12
Input
Push-Pull
55µA Pullup ADC-S12
SHP1
D6P
—
P0.0
SH Input, ADC/Digital
ADC- ADC-
20
GP13
Input
Push-Pull
55µA Pullup ADC-S13
SHN1
D6N
—
P0.1
21
GP14
ADC/Digital Input
ADC-
Push-Pull 55µA Pullup ADC-S14
D7P ^SHEN1
—
P0.2
22
GP15
ADC-
ADC/Digital Input
Push-Pull 55µA Pullup ADC-S15
D7N
—
—
P0.3
23
SHEN
Digital
Push-Pull 55µA Pullup
SHEN0
—
—
—
P6.4
24
MDIO
Digital
Push-Pull
55µA Pullup ^{3-Wire Data}
I²C
SPI
PW4
MDIO
MSDA MSPIDO
P1.0
25
MDI
26
MCL
Digital
Digital
Push-Pull,
Strong
Push-Pull
55µA Pullup
55µA Pullup
—
3-Wire Clock
MCL
—
I²C
MSCL
SPI
MSPIDI
SPI
MSPICK
PW5
PW6
P1.3
P1.1
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