MT1020A Zarlink Semiconductor, MT1020A Datasheet - Page 5

• Manufacturer Part Number: MT1020A
• Manufacturer: Zarlink Semiconductor

Note:
The UART CTS and RTS signals(U1RTS, U1CTS, HST_UART_RTS & HST_UART_CTS) are all active low at
the chip, but become active high after passing through a RS232 line driver IC.
Key to Signal Types:
I
O
I/O
pu
pd
hd
SUBGND
OPVDD
RIVDD
LAVDD
PLL_VDD
Signal Name
input
Output
Bidirectional
Internal Pull-up
Internal Pull-down
Internal Peripheral HOLD cell: holds the previous voltage level of an input, until the weak drive of the hold
cell is overdriven by normal drive output. This can be either as part of a MT1020A bi-directional peripheral
cell or an external device.
A7: C1: F11:
A5: E1: E11:
A4: A10: J8:
(see notes)
L1: L10
G1: K7
Pin
H1
K5
B4
Table 1 - Pin Descriptions (continued)
I/O Type
Qty
5
4
1
5
1
Preliminary Information
System I/O VDD
Radio Interface VDD
Core VDD
Phase Lock Loop VDD
Analog Ground
Description
MT1020A
5